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DTC Tables

DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illumination
P0045 Turbocharger Boost Control Solenoid "A" Circuit Open -- Check the Turbocharger Control Module -J724-. Refer to TURBOCHARGER CONTROL MODULE CHECKING . Diagnostic signal from power stage > 0.8 V (Out 1) and < 2 V (Out 2) Power stage = OFF state 600 mSec
  • 2 DCY
P0047 Turbocharger Boost Control Solenoid "A" Circuit Low -- Check the Turbocharger Control Module -J724-. Refer to TURBOCHARGER CONTROL MODULE CHECKING . Diagnostic signal from power stage = 8 - 18 A Power stage = On state 480 mSec
  • 2 DCY
P0048 Turbocharger Boost Control Solenoid "A" Circuit High -- Check the Turbocharger Control Module -J724-. Refer to TURBOCHARGER CONTROL MODULE CHECKING . Diagnostic signal from power stage = 8 - 18 A Power stage = On state 480 mSec
  • 2 DCY
P0071 Ambient Air Temperature Sensor Circuit Range/Performance Refer to the Repair information for Instrument Cluster/Sensor diagnosis.
  • Temperature difference to ECT, ECT 2> 40 °K
  • Temperature difference to T2, and FTS > 45 °K
  • Error bit = set
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 °K at > 25 mph for 20 Sec.
  • Decrease of AAT after engine start < 5 °K for 60 Sec.
 20 Sec. with speed above 25 mph
  • 2 DCY
P0072 Ambient Air Temperature Sensor Circuit Low Refer to the Repair information for Instrument Cluster/Sensor diagnosis. AAT < -40 °C Communication time after T15 on > 1 Sec. 2 Sec.
  • 2 DCY
P0073 Ambient Air Temperature Sensor Circuit High Refer to the Repair information for Instrument Cluster/Sensor diagnosis. AAT > 80 °C Communication time after T15 on > 1 Sec. 2 Sec.
  • 2 DCY
P0087 Fuel Rail/System Pressure - Too Low -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .-- Check the Fuel Return Check Valve. Refer to the Repair information for test.
  • Control deviation > 17000 - 20000 kPa
  • Pressure < 12000 - 12500 kPa
  • Engine revolutions > 20
 .3 - 30 Sec.
  • Continuous
  • 2 DCY
P0088 Fuel Rail/System Pressure - Too High -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .-- Check the Fuel Return Check Valve. Refer to the Repair information for test.
  • Control deviation < -20000 to -30000 kPa
  • Pressure > 215000 kPa
  • Engine revolutions > 20
 0.24 - 2 Sec.
  • Continuous
  • 2 DCY
P0090 Fuel Pressure Regulator 1 Control Circuit -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE CHECKING .
  • Diagnostic signal from power stage > 4.5 V
 Power stage = Off state 0.23 Sec.
  • Continuous
  • 2 DCY
P0091 Fuel Pressure Regulator 1 Control Circuit Low -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE CHECKING .
  • Diagnostic signal from power stage < 2.97 V
 Power stage = Off state 0.23 Sec.
  • Continuous
  • 2 DCY
P0092 Fuel Pressure Regulator 1 Control Circuit High -- Check the Fuel Pressure Regulator Valve -N276-. Refer to FUEL PRESSURE REGULATOR VALVE CHECKING .
  • Diagnostic signal from power stage > 2.2 A
 Power stage = Off state 0.23 Sec.
  • Continuous
  • 2 DCY
P0101 Mass Air Flow Circuit Range/Performance -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING . Ratio of modeled and measured air mass flow > 1.15 or < 0.85
  • Engine speed = 1100 to 2500 RPM
  • Ambient pressure > 50 kPa
  • Boost pressure = 50 - 200 kPa
  • ECT = 60 - 110 °C
  • EGR valve closed = 100%
  • Intake runner flap signal > 94%
  • Throttle valve signal > 94%
  • Fuel quantity < 0.5 mg/stroke
 5 - 10 Sec.
  • Continuous
  • 2 DCY
P0102 Mass Air Flow Circuit Low Input -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING .
  • MAF sensor signal (< 0.083 mSec.) > 900 kg/hr
 --- 1 Sec.
  • Continuous
  • 2 DCY
P0103 Mass Air Flow Circuit High Input -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to MASS AIR FLOW SENSOR, CHECKING .
  • MAF sensor signal (> 4.5 mSec.) <= 0 kg/hr
 --- 1 Sec.
  • Continuous
  • 2 DCY
P0111 Intake Air Temperature Circuit Performance -- Check IAT Sensor -G42-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING .
  • Temperature difference to ECT, ECT 2 > 35 °K
  • Temperature difference to FTS > 40 °K
  • Temperature difference to T1 > 45 °K
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 °K at > 25 mph for 20 Sec.
  • Decrease of AAT after engine start < 5 °K for 60 Sec.
 20 Sec. with speed above 25 mph
  • Continuous
  • 2 DCY
P0112 Intake Air Temperature Circuit Low Input -- Check IAT Sensor -G42-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING . Signal voltage < 162 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P0113 Intake Air Temperature Circuit High Input -- Check IAT Sensor -G42-. Refer to INTAKE AIR TEMPERATURE SENSOR, CHECKING . Signal voltage > 3255 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P0116 Engine Coolant Temperature Sensor 1 Circuit Range/Performance -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING .
  • ECT increase < f(ECT @ start) °K
and
  • Engine running time > f(ECT @ start) Sec.
OR
  • Temperature difference to ECT 2 > 30 °K
  • Temperature difference to T2, FTS > 35 °K
  • Temperature difference to T1 > 40 °K
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 °K at > 25 mph for 20 Sec.
  • Decrease of AAT after engine start < 5 °K for 60 Sec.
OR
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 °K at > 25 mph for 20 Sec.
  • Decrease of AAT after engine start < 5 °K for 60 Sec.
 20 Sec. with speed above 25 mph
  • 2 DCY
P0117 Engine Coolant Temperature Sensor 1 Circuit low -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING . Signal voltage < 162 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P0118 Engine Coolant Temperature Sensor 1 Circuit High -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING . Signal voltage > 3255 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P0128 Coolant Thermostat Temperature below control range -- Check the thermostat for proper operation. Refer to the Repair information for Diagnostic.-- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to ENGINE COOLANT TEMPERATURE SENSOR, CHECKING . Measured temperature < 66 °C while modeled temperature > 78 °C
  • ECT = -7 to 56.5 °C
  • Engine speed > 500 rpm
 900 Sec.
  • Once/DCY
  • 2 DCY
P0130 O2 Sensor Circuit Bank 1 Sensor 1 Malfunction -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Virtual ground > 3 V
  • Nernst voltage > 4 V
  • IA/IP > 6 V
OR
  • Virtual ground < 2 V
  • Nernst voltage < 1.75 V
  • IA/IP < 0.9 V
 Heater control = active 2 Sec.
  • Continuous
  • 2 DCY
P0132 O2 Sensor Circuit Bank 1 Sensor 1 High Voltage -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING . O2 signal > 3.2 V
  • Calibration of internal resistance or O2 = not active
  • O2 heater active
  • Dewpoint exceeded
  • O2 heater temp > 720 and < 840 °C
  • Modeled exhaust pressure < 170 kPa
 2 Sec.
  • Continuous
  • 2 DCY
P0133 O2 Sensor Circuit Bank 1 Sensor 1 Slow Response -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Oxygen 30 - 70% time > 5 Sec.
  • Time to reach 60% oxygen > 5 Sec.
  • Heater control active
  • DPF regeneration = not active
  • Fuel quantity before fuel cutoff 12 mg/stroke
  • Change of fuel quantity before fuel cutoff < 3 mg/stroke for > 2 Sec.
  • Fuel quantity in fuel cutoff < 0.5 mg/stroke
  • Time to fuel cutoff < 1.5 Sec.
  • Battery voltage > 10.7 V
  • Engine speed > 1150 rpm
 10 Sec.
  • Continuous
  • 2 DCY
P0135 O2 Sensor Heater Circuit Bank 1 Sensor 1 Malfunction -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Sensor element temperature < 720 or > 840 °C
  • Power stage active and signal current = -100 to 10000 uA
  • Power stage not active and signal current = -1000 to -350 uA
  • Power stage not active and signal current = -100 to 100 uA
  • Heater control = active
  • Fuel cutoff = not active
  • Time since last fuel cutoff > 30 Sec.
  • Dewpoint exceeded
  • Calibration of internal resistance or O2 = not active
 5, 30 or 60 Sec. depending on temperature
  • Continuous
  • 2 DCY
P0171 Fuel Trim, Bank 1 System too Lean Check for any sensor related codes. If a sensor fault is set, diagnose it first. If no related sensor codes are set, check Fuel pressure. Refer to the Repair information for procedure and cautions. Difference between measured vs. modeled injection quantity > 5 - 20 mg/stroke
  • Engine speed >= 600 or <= 3000 rpm
  • Injection quantity >= 4 or <= 58 mg/stroke
  • Post injection quantity = 0 mg/stroke
 2 Sec.
  • Continuous
  • 2 DCY
P0172 Fuel Trim, Bank 1 System too Rich Check for any sensor related codes. If a sensor fault is set, diagnose it first. If no related sensor codes are set, check Fuel pressure. Refer to the Repair information for procedure and cautions. Difference between measured vs. modeled injection quantity < 5 - 20 mg/stroke
  • Engine speed >= 600 or <= 3000 rpm
  • Injection quantity >= 4 or <= 58 mg/stroke
  • Post injection quantity = 0 mg/stroke
 2 Sec.
  • Continuous
  • 2 DCY
P0181 Fuel Temperature Sensor A Circuit Range/Performance -- Check Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING .
  • Temperature difference to ECT, ECT 2 > 35 °K
  • Temperature difference to FTS > 40 °K
  • Temperature difference to T1 > 45 °K
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 °K at > 25 mph for 20 Sec.
  • Decrease of AAT after engine start < 5 °K for 60 Sec.
 20 Sec. with speed above 25 mph
  • 2 DCY
P0182 Fuel Temperature Sensor A Circuit Low -- Check Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING . Signal voltage < 100 mV --- 480 ms
  • Continuous
  • Immed.
P0183 Fuel Temperature Sensor A Circuit High -- Check Fuel Temperature Sensor -G81-. Refer to FUEL TEMPERATURE SENSOR, CHECKING . Fuel temperature sensor voltage > 4.90 V - 480 ms
  • Continuous
  • Immed.
P0191 Fuel Rail Pressure Sensor Circuit Range/Performance -- Check Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • Signal voltage < 428 mV or > 613 mV
  • Adaptation of FRPR < 70% or > 130%
  • ECU keep alive time = active
  • Fuel temperature = 5 - 70 °C
  • Fuel rail pressure set point > 50000 - 80000 kPa
  • Electric power deviation in FRPR < 2%
 130 Sec.
  • Once/DCY
  • 2 DCY
P0192 Fuel Rail Pressure Sensor Circuit Low Input -- Check Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • Signal voltage < 0.2 V
 --- 0.14 Sec.
  • Continuous
  • 2 DCY
P0193 Fuel Rail Pressure Sensor Circuit High Input -- Check Fuel Pressure Sensor -G247-. Refer to FUEL PRESSURE SENSOR, CHECKING .
  • Signal voltage > 4.8 V
 --- 0.14 Sec.
  • Continuous
  • 2 DCY
P0201 Cylinder 1 Injector Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
  • Signal from power stage > 60 V
  • Voltage level < 30 V
  • Injector voltage after charging < 70% nominal voltage
  • Injector voltage before charging < 50% nominal voltage
 Injection condition = injector On 4 injection cycles
  • Continuous
  • 2 DCY
P0202 Cylinder 2 Injector Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
  • Signal from power stage > 60 V
  • Voltage level < 30 V
  • Injector voltage after charging < 70% nominal voltage
  • Injector voltage before charging < 50% nominal voltage
 Injection condition = injector On 4 injection cycles
  • Continuous
  • 2 DCY
P0203 Cylinder 3 Injector Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
  • Signal from power stage > 60 V
  • Voltage level < 30 V
  • Injector voltage after charging < 70% nominal voltage
  • Injector voltage before charging < 50% nominal voltage
 Injection condition = injector On 4 injection cycles
  • Continuous
  • 2 DCY
P0204 Cylinder 4 Injector Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
  • Signal from power stage > 60 V
  • Voltage level < 30 V
  • Injector voltage after charging < 70% nominal voltage
  • Injector voltage before charging < 50% nominal voltage
 Injection condition = injector On 4 injection cycles
  • Continuous
  • 2 DCY
P0205 Cylinder 5 Injector Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
  • Signal from power stage > 60 V
  • Voltage level < 30 V
  • Injector voltage after charging < 70% nominal voltage
  • Injector voltage before charging < 50% nominal voltage
 Injection condition = injector On 4 injection cycles
  • Continuous
  • 2 DCY
P0206 Cylinder 6 Injector Circuit -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
  • Signal from power stage > 60 V
  • Voltage level < 30 V
  • Injector voltage after charging < 70% nominal voltage
  • Injector voltage before charging < 50% nominal voltage
 Injection condition = injector On 4 injection cycles
  • Continuous
  • 2 DCY
P022A Charge Air Cooler Bypass Control "A" Circuit Open -- Check the Charge Air Cooler Bypass Control Module. Refer to CHARGE AIR COOLER BYPASS CONTROL MODULE . Diagnostic signal from power stage > 3.26 V and < 5.4 V
  • Power stage commanded Off
  • Ignition Off
 480 mSec.
  • 2 DCY
P022B Charge Air Cooler Bypass Control "A" Circuit Low -- Check the Charge Air Cooler Bypass Control Module. Refer to CHARGE AIR COOLER BYPASS CONTROL MODULE . Diagnostic signal from power stage <= 3.26 V
  • Power stage commanded Off
  • Ignition Off
 480 mSec.
  • 2 DCY
P022C Charge Air Cooler Bypass Control "A" Circuit High -- Check the Charge Air Cooler Bypass Control Module. Refer to CHARGE AIR COOLER BYPASS CONTROL MODULE . Diagnostic signal from power stage > 1.50 V and > 50 mA
  • Power stage commanded On
 480 mSec.
  • 2 DCY
P0234 Turbo Charger Overboost Condition limit exceeded -- Check Turbocharger Control Module -J724-. Refer to TURBOCHARGER CONTROL MODULE CHECKING . Control deviation < -22 kPa
  • Boost pressure control mode = closed loop
  • RPM > 1650
  • Fuel quantity > 15 mg/stroke
 3.6 Sec.
  • 2 DCY
P0236 Turbocharger Boost Sensor (A) Circuit Performance -- Check Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING . Absolute value of pressure difference > 14 kPa
  • Engine speed < 600 rpm
 200 mSec.
  • 2 DCY
P0237 Turbocharger Boost Sensor (A) Circuit Low Input -- Check Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING . Sensor voltage < 0.40 V --- 480 mSec.
  • 2 DCY
P0238 Turbocharger Boost Sensor (A) Circuit High Input -- Check Charge Air Pressure Sensor -G31-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING . Sensor voltage > 4.90 V --- 480 mSec.
  • 2 DCY
P024A Charge Air Cooler Bypass Control "A" Range/Performance -- Check the Charge Air Cooler Bypass Control Module. Refer to CHARGE AIR COOLER BYPASS CONTROL MODULE . Signal = no change --- ECU initialization time
  • 2 DCY
P024B Charge Air Cooler Bypass Control "A" Stuck -- Check the Charge Air Cooler Bypass Control Module. Refer to CHARGE AIR COOLER BYPASS CONTROL MODULE . Signal low --- 480 mSec.
  • Continuous
  • 2 DCY
P0263 Cylinder 1 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair information.
  • Injection time with no torque > 0.23 - 0.43 mSec. or < 0.14 - 0.16 mSec.
  • Diagnostic signal from power stage = internal signal
  • Engine speed > 1600 and < 2500 RPM
  • Fuel temperature > 0 and < 80 °C
  • Intake air temp > 0 °C
  • Boost pressure > 90000 Pa
  • Gear > 2
  • Fuel cutoff active
  • 0.1 Sec.
  • Continuous
  • 2 DCY
P0266 Cylinder 2 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair information.
  • Injection time with no torque > 0.23 - 0.43 mSec. or < 0.14 - 0.16 mSec.
  • Diagnostic signal from power stage = internal signal
  • Engine speed > 1600 and < 2500 RPM
  • Fuel temperature > 0 and < 80 °C
  • Intake air temp > 0 °C
  • Boost pressure > 90000 Pa
  • Gear > 2
  • Fuel cutoff active
  • 0.1 Sec.
  • Continuous
  • 2 DCY
P0269 Cylinder 3 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair information.
  • Injection time with no torque > 0.23 - 0.43 mSec. or < 0.14 - 0.16 mSec.
  • Diagnostic signal from power stage = internal signal
  • Engine speed > 1600 and < 2500 RPM
  • Fuel temperature > 0 and < 80 °C
  • Intake air temp > 0 °C
  • Boost pressure > 90000 Pa
  • Gear > 2
  • Fuel cutoff active
  • 0.1 Sec.
  • Continuous
  • 2 DCY
P0272 Cylinder 4 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair information.
  • Injection time with no torque > 0.23 - 0.43 mSec. or < 0.14 - 0.16 mSec.
  • Diagnostic signal from power stage = internal signal
  • Engine speed > 1600 and < 2500 RPM
  • Fuel temperature > 0 and < 80 °C
  • Intake air temp > 0 °C
  • Boost pressure > 90000 Pa
  • Gear > 2
  • Fuel cutoff active
  • 0.1 Sec.
  • Continuous
  • 2 DCY
P0275 Cylinder 5 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair information.
  • Injection time with no torque > 0.23 - 0.43 mSec. or < 0.14 - 0.16 mSec.
  • Diagnostic signal from power stage = internal signal
  • Engine speed > 1600 and < 2500 RPM
  • Fuel temperature > 0 and < 80 °C
  • Intake air temp > 0 °C
  • Boost pressure > 90000 Pa
  • Gear > 2
  • Fuel cutoff active
  • 0.1 Sec.
  • Continuous
  • 2 DCY
P0278 Cylinder 6 Contribution/Balance -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair information.
  • Injection time with no torque > 0.23 - 0.43 mSec. or < 0.14 - 0.16 mSec.
  • Diagnostic signal from power stage = internal signal
  • Engine speed > 1600 and < 2500 RPM
  • Fuel temperature > 0 and < 80 °C
  • Intake air temp > 0 °C
  • Boost pressure > 90000 Pa
  • Gear > 2
  • Fuel cutoff active
  • 0.1 Sec.
  • Continuous
  • 2 DCY
P0299 Turbo Charger Underboost -- Check the Turbocharger Control Module -J724-. Refer to TURBOCHARGER CONTROL MODULE CHECKING .-- Check Charge Air Pressure Sensor/IAT sensor -G31/G42-. Refer to CHARGE AIR PRESSURE SENSOR, CHECKING . Control deviation > 30 - 100 kPa with f (engine coolant temp)
  • Boost pressure control mode = closed loop
  • RPM > 1650
  • Fuel quantity > 15 mg/stroke
 10 Sec.
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illumination
P0300 Random/Multiple Cylinder. Misfire Detected -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .-- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair information for procedure-- Check for a plugged fuel filter or restricted/kinked line. Refer to Repair information
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 rpm
  • Engine speed, < 1100 rpm
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 °C
  • Time since start, > 5 Sec.
 < 880 Engine Rev. once per DCY
  • 2 DCY
P0301 Cylinder 1 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair information for procedure-- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 rpm
  • Engine speed, < 1100 rpm
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 °C
  • Time since start, > 5 Sec.
 < 880 Engine Rev. once per DCY
  • 2 DCY
P0302 Cylinder 2 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair information for procedure-- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 rpm
  • Engine speed, < 1100 rpm
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 °C
  • Time since start, > 5 Sec.
 < 880 Engine Rev. once per DCY
  • 2 DCY
P0303 Cylinder 3 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair information for procedure-- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 rpm
  • Engine speed, < 1100 rpm
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 °C
  • Time since start, > 5 Sec.
 < 880 Engine Rev. once per DCY
  • 2 DCY
P0304 Cylinder 4 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair information for procedure-- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 rpm
  • Engine speed, < 1100 rpm
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 °C
  • Time since start, > 5 Sec.
 < 880 Engine Rev. once per DCY
  • 2 DCY
P0305 Cylinder 5 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair information for procedure-- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 rpm
  • Engine speed, < 1100 rpm
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 °C
  • Time since start, > 5 Sec.
 < 880 Engine Rev. once per DCY
  • 2 DCY
P0306 Cylinder 6 Misfire Detected -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair information for procedure-- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 rpm
  • Engine speed, < 1100 rpm
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 °C
  • Time since start, > 5 Sec.
 < 880 Engine Rev. once per DCY
  • 2 DCY
P0321 Engine Speed Input Circuit Range/Performance -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Counted teeth vs. reference > 200
  • Monitoring reference gap failure
  • Ignition On
  • Engine speed > 400 rpm
 0.5 Sec.
  • Continuous
  • 2 DCY
P0322 Engine Speed Input Circuit No Signal -- Check Engine Speed (RPM) Sensor -G28-. Refer to ENGINE SPEED SENSOR, CHECKING .
  • Camshaft signals > 10
  • Engine speed = no signal
  • Ignition On
 0.5 Sec.
  • Continuous
  • 2 DCY
P0381 Glow Plug/Heater Indicator Circuit -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Receipt bit for lamp request not equal with lamp request bit. Glow system = preglow 350 mSec.
  • Continuous
  • 2 DCY
P0383 Glow Plug Control Module Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Diagnostic signal from power stage = 0 V Glow system = not active 500 mSec.
  • Continuous
  • 2 DCY
P0384 Glow Plug Control Module Control Circuit High -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Diagnostic signal from power stage = 0 V Glow system = not active 500 mSec.
  • Continuous
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illumination
P040B Exhaust Gas Recirculation Temperature Sensor Circuit Range/Performance -- Check EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING .
  • Value of modeled and measured temp > f(value of modeled temp EGR)
or
  • Temperature difference to other temperature sensors > 60 °K
  • DPF regeneration = not active
  • ECT > 10 °C
  • Value of modeled temp EGR > 90 °C
or
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 °K at > 25 mph for 20 Sec.
  • Decrease of AAT after engine start < 5 °K for 60 Sec.
 20 Sec. with speed above 25 mph
  • 2 DCY
P040C Exhaust Gas Recirculation Temperature Sensor Circuit Low -- Check EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING . Signal voltage < 330 mV --- 480 mSec.
  • 2 DCY
P040D Exhaust Gas Recirculation Temperature Sensor Circuit High -- Check EGR Temperature Sensor -G98-. Refer to EGR TEMPERATURE SENSOR, CHECKING . Signal voltage > 1652 mV --- 480 mSec.
  • 2 DCY
P0401 Exhaust Gas Recirculation Insufficient Flow Detected -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE AND POTENTIOMETER, CHECKING . Control deviation < f (engine speed, injection quantity, target air mass flow)
  • EGR = closed loop
  • Fuel quantity, = 6 - 17 mg/stroke
  • Engine speed, > 660 and < 2500 rpm
  • DPF regeneration mode = Off
 10 Sec.
  • Continuous
  • 2 DCY
P0402 Exhaust Gas Recirculation Excessive Flow Detected -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE AND POTENTIOMETER, CHECKING . Ratio of modeled and measured air mass flow > 1.3
  • EGR valve closed = 100%
  • Throttle valve signal > 94%
  • Engine speed, > 1100 - 2500 rpm
  • Boost pressure = 50 - 200 kPa
  • ECT = 60 - 110 °C
  • Ambient pressure > 50 kPa
  • Fuel quantity > 0.5 mg/stroke
 5 Sec.
  • Continuous
  • 2 DCY
P0403 Exhaust Gas Recirculation Circuit -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE AND POTENTIOMETER, CHECKING .
  • Diagnostic signal from power stage (Out1) > 0.8 and 2 V (Out2)
  • Diagnostic signal from power stage = 8 - 18 A
  • Diagnostic signal from power stage > 5 or < 3.4 V
  • Control deviation> 10%
  • Actual position > 17%
 Power stage = On or Off (dependent on diagnostic run) 480 - 4000 mSec. (dependent on diagnostic run)
  • Continuous
  • 2 DCY
P0405 Exhaust Gas Recirculation Sensor Circuit Low -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE AND POTENTIOMETER, CHECKING . Position sensor signal < 210 mV --- 480 mSec.
  • 2 DCY
  Exhaust Gas Recirculation Sensor Circuit High -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE AND POTENTIOMETER, CHECKING . Position sensor signal >= 4690 mV --- 480 mSec.
  • 2 DCY
P0420 Catalyst System Bank 1 Efficiency Below Threshold -- Check the Catalytic Converter. Refer to CATALYTIC CONVERTER, CHECKING . Ratio of measured and modeled heat < 0.3
  • Modeled catalyst temp. > 230 °C
  • Modeled heat quantity flow > 1600 W
  • Integrated post injection >= 60g within 300 Sec.
 Time until integrated post injection rate >= 60g but less than 300 Sec.
  • Immediate
P0425 Catalyst Temperature Sensor Circuit -- Check the Exhaust Gas Temperature Sensor. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING  Signal voltage > 1652 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P0426 Catalyst Temperature Sensor Circuit Range/Performance -- Check the Exhaust Gas Temperature Sensor. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING 
  • Temperature difference to EGR temp, T3, T4, T5, T6 > 60 °K
OR
  • Mean value of modeled - measured T4 > 100 °K
 --- 300 Sec.
  • Continuous
  • 2 DCY
P0427 Catalyst Temperature Sensor Bank 1 Low Input -- Check the Exhaust Gas Temperature Sensor. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING  Signal voltage < 330 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P046C Exhaust Gas Recirculation Sensor "A" Circuit Range/Performance -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR VACUUM REGULATOR SOLENOID VALVE AND POTENTIOMETER, CHECKING .
  • Position sensor signal > 4310 and < 4690 mV
  • ECT > -20 °C
 200 mSec.
  • 2 DCY
P0471 Exhaust Pressure Sensor "A" Range/Performance -- Check Exhaust Pressure Sensor -G450-. Refer to EXHAUST PRESSURE SENSOR 1 CHECKING . Differential of pressure signal < -30 or > 47 hPa
  • ECT > 69.96 °C
  • Engine = after run
  • Engine run time > 720 Sec.
 500 to 5000 mSec.
  • 2 DCY
P0472 Exhaust Pressure Sensor A Low -- Check Exhaust Pressure Sensor -G450-. Refer to EXHAUST PRESSURE SENSOR 1 CHECKING . Sensor voltage < 0.2 V --- 480 mSec.
  • 2 DCY
P0473 Exhaust Pressure Sensor A High -- Check Exhaust Pressure Sensor -G450-. Refer to EXHAUST PRESSURE SENSOR 1 CHECKING . Sensor voltage >4.9 V --- 480 mSec.
  • 2 DCY
P0501 Vehicle Speed Sensor Performance -- Check the speed signal input. Refer to Repair information for Diagnosis. Vehicle speed < 4 km/h
  • Engine speed = 850 - 4520 RPM
  • ECT > 40 °C
  • Fuel cutoff = active
 3 Sec.
  • 2 DCY
P0503 Vehicle Speed Sensor Intermittent High Signal -- Check the speed signal input. Refer to Repair information for Diagnosis. Vehicle speed > 325 km/h Communication time after T15 ON > 1 Sec. 2 Sec.
  • 2 DCY
P0506 Idle Control System RPM Lower than Expected Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF or MAP related faults first. Control deviation < 10%
  • ECT > -7.04 °C and < 106.94 °C
  • Veh speed < 1 km/h
  • Accelerator pedal position = 0
 25000 mSec.
  • 2 DCY
P0507 Idle Control System RPM Higher than Expected -- Check Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Control deviation > 10%
  • ECT > -7.04 °C and < 106.94 °C
  • Veh speed < 1 km/h
  • Accelerator pedal position = 0
 25000 mSec.
  • 2 DCY
P0544 Exhaust Gas Temperature Sensor Circuit - Bank 1 -- Check the Exhaust Gas Temperature Sensor. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING  Signal voltage < 330 mV --- 480 mSec.
  • 2 DCY
P0545 Exhaust Gas Temperature Sensor Circuit - Bank 1 Low -- Check the Exhaust Gas Temperature Sensor. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING  Signal voltage > 1652 mV --- 480 mSec.
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illumination
P06B9 Cylinder 1 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
  • Glow plug resistance (between 4 - 9 Sec.) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 Sec.) < 0.4 ohm
  • Glow plug resistance (after 14 Sec.) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
 Glow system = active 8 Sec.
  • 2 DCY
P06BA Cylinder 2 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
  • Glow plug resistance (between 4 - 9 Sec.) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 Sec.) < 0.4 ohm
  • Glow plug resistance (after 14 Sec.) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
 Glow system = active 8 Sec.
  • 2 DCY
P06BB Cylinder 3 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
  • Glow plug resistance (between 4 - 9 Sec.) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 Sec.) < 0.4 ohm
  • Glow plug resistance (after 14 Sec.) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
 Glow system = active 8 Sec.
  • 2 DCY
P06BC Cylinder 4 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
  • Glow plug resistance (between 4 - 9 Sec.) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 Sec.) < 0.4 ohm
  • Glow plug resistance (after 14 Sec.) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
 Glow system = active 8 Sec.
  • 2 DCY
P06BD Cylinder 5 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
  • Glow plug resistance (between 4 - 9 Sec.) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 Sec.) < 0.4 ohm
  • Glow plug resistance (after 14 Sec.) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
 Glow system = active 8 Sec.
  • 2 DCY
P06BE Cylinder 6 Glow Plug Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
  • Glow plug resistance (between 4 - 9 Sec.) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 Sec.) < 0.4 ohm
  • Glow plug resistance (after 14 Sec.) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
 Glow system = active 8 Sec.
  • 2 DCY
P0606 Internal Control Module Memory Check Sum Error -- Replace the Engine Control Module (ECM) -J623- Refer to the Repair information for procedure.
  • ECM internal self test failed
  • RAM error in memory
  • Injection condition = injector On
  • Initialization phase of ECU
 480 ms or 40 revolutions
  • Continuous
  • 2 DCY
P0607 Control Module Performance -- Replace the Engine Control Module (ECM) -J623- Refer to the Repair information for procedure.
  • Oxygen sensor adaptation > 0.2 V or < -0.2 V
  • Internal communication failed
  • Supply voltage for IC < 9 V
OR
  • Sensor voltage < 0.265 V or > 3.9 V
  • Oxygen sensor raw signal calibration = active
  • Dewpoint exceeded
 200 ms to 2 Sec.
  • Continuous
  • 2 DCY
P0627 Fuel Pump "A" Control Circuit/Open -- Check the Transfer Pump voltage input. Refer to the Transfer Pump voltage supply checking in Repair information for diagnosis.
  • Diagnostic signal from power stage < 2.5 V or > 4.5 V
 Power stage = Off state 480 mSec.
  • Continuous
  • 2 DCY
P0629 Fuel Pump "A" Control Circuit High -- Check the Transfer Pump voltage input. Refer to the Transfer Pump voltage supply checking in Repair information for diagnosis. Over Current signal from output driver Output driver On state 480 mSec.
  • Continuous
  • 2 DCY
P0634 ECM Internal Temperature Too High -- Replace the Engine Control Module (ECM) -J623- Refer to the Repair information for procedure. Current Over-Temperature diagnostic signal from output driver Output driver On state OR not applicable 0.48 Sec.
  • Continuous
  • 2 DCY
P0638 Throttle Actuator Control Bank 1 Range/Performance -- Check the Throttle Valve Control Module. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Diagnostic signal = low state --- 480 mSec.
  • 2 DCY
P064C Glow Plug Control Module -- Check for correct ECM software installed.-- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Received number of cylinders or glow plug type is unequal to ECU application = error bit Glow system = active 1 - 3 Sec.
  • Continuous
  • 2 DCY
P066A Cylinder 1 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current >= 70 A Glow system active 2 Sec.
  • Continuous
  • 2 DCY
P066C Cylinder 2 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current >= 70 A Glow system active 2 Sec.
  • Continuous
  • 2 DCY
P066E Cylinder 3 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current >= 70 A Glow system active 2 Sec.
  • Continuous
  • 2 DCY
P067A Cylinder 4 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current >= 70 A Glow system active 2 Sec.
  • Continuous
  • 2 DCY
P067C Cylinder 5 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current >= 70 A Glow system active 2 Sec.
  • Continuous
  • 2 DCY
P067E Cylinder 6 Glow Plug Control Circuit Low -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current >= 70 A Glow system active 2 Sec.
  • Continuous
  • 2 DCY
P0670 Glow Plug Module 1 Control Circuit electrical malfunction electrical circuit -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING .
  • Diagnostic signal from power stage = 3.44 V
OR
  • Message from glow control unit = error bit
  • Glow system = not active
OR
  • Glow system = active
  • 500 mSec.
OR
  • 3 Sec.
  • Continuous
  • 2 DCY
P0671 Cylinder 1 Glow Plug Circuit -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current <= 2.20 A Glow system = active 8 Sec.
  • Continuous
  • 2 DCY
P0672 Cylinder 2 Glow Plug Circuit -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current <= 2.20 A Glow system = active 8 Sec.
  • Continuous
  • 2 DCY
P0673 Cylinder 3 Glow Plug Circuit -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current <= 2.20 A Glow system = active 8 Sec.
  • Continuous
  • 2 DCY
P0674 Cylinder 4 Glow Plug Circuit -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current <= 2.20 A Glow system = active 8 Sec.
  • Continuous
  • 2 DCY
P0675 Cylinder 5 Glow Plug Circuit -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current <= 2.20 A Glow system = active 8 Sec.
  • Continuous
  • 2 DCY
P0676 Cylinder 6 Glow Plug Circuit -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Glow current <= 2.20 A Glow system = active 8 Sec.
  • Continuous
  • 2 DCY
P0684 Glow Plug Control Module to PCM Communication Circuit Range/Performance -- Check Automatic Glow Time Control Module -J179-. Refer to AUTOMATIC GLOW TIME MODULE AND GLOW PLUG CHECKING . Message from Glow Control Unit = missing or error bit
  • ECT < 30 °C
  • Glow system = active
 3 - 50 Sec.
  • Continuous
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P1419 Exhaust Gas Recirculation Cooler Switch-over Valve 2 Short circuit to Voltage -- Check the EGR Cooler Switch-over Valve 2 N381. Refer to EGR COOLER SWITCH OVER VALVE 1-2 CHECKING  Diagnostic signal from power stage > 1.5 A Power stage = On state 480 mSec. Signal voltage < 162 mV
P146D Acknowledgement of Heating 1 for reducing agent Short circuit to voltage Heating 1 circuit is the tank heater. No tank module assembly components are serviced separately (at the time of writing). Replacement of the Reducing Agent Tank Module assembly is necessary if the tank module power and grounds are present, and no heater connection faults exist between the heating module (on the side of the tank) and the tank heating element connectors.
  • Signal voltage > 3270 mV
 --- 480 mSec.
  • 2 DCY
P146F Acknowledgement of Heating 2 for reducing agent Short circuit to voltage -- Check the Reducing Agent Wire Heater. Refer to REDUCTION AGENT HEATED SUPPLY LINE CHECKING 
  • Signal voltage > 2900 mV
 --- 480 mSec.
  • 2 DCY
P148F Exhaust Gas Recirculation (EGR) Cooler Switch-Over Valve 2 Electrical malfunction -- Check the EGR Cooler Switch-over Valve 2 N381. Refer to EGR COOLER SWITCH OVER VALVE 1-2 CHECKING  Diagnostic signal from power stage < 2.97 V Power stage = Off state 480 mSec.
  • Continuous
  • 2 DCY
P1499 Exhaust Gas Recirculation Cooler Switch-over Valve 2 Open circuit/short circuit to ground -- Check the EGR Cooler Switch-over Valve 2 N381. Refer to EGR COOLER SWITCH OVER VALVE 1-2 CHECKING  Diagnostic signal from power stage > 4.5 V Power stage = Off state 480 mSec.
  • Continuous
  • 2 DCY
P150A Engine Off Timer Performance Check ALL power and grounds to the ECM. The ECM must have a power supply when the key is off to run the timer and system checks. If OK, replace the ECM. ECM time - IPC time > 12 Sec.
  • Engine Off
  • Ignition On
 1 Sec.
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
P2BA7 NOx Exceedence - Empty Reducing Agent Tank Refill with AdBlue® fluid and recheck system.
  • Calculated urea tank level = 0
 --- Continuous
  • 1 DCY
P20A0 Reductant Purge Control Valve Circuit Open -- Check the Reduction Agent Reversing Valve. Refer to REDUCTION AGENT REVERSING VALVE CHECKING 
  • Diagnostic signal from power stage > 4.5 V
  • Power stage = Off state
 480 mSec.
  • 2 DCY
P20A2 Reductant Purge Control Valve Circuit Low -- Check the Reduction Agent Reversing Valve. Refer to REDUCTION AGENT REVERSING VALVE CHECKING 
  • Diagnostic signal from power stage < 2.97 V
  • Power stage = Off state
 480 mSec.
  • 2 DCY
P20A3 Reductant Purge Control Valve Circuit High -- Check the Reduction Agent Reversing Valve. Refer to REDUCTION AGENT REVERSING VALVE CHECKING 
  • Diagnostic signal from power stage > 2.2 A
  • Power stage = On state
 480 mSec.
  • 2 DCY
P20BB Reductant Heater "A" Control Circuit Low Heating 1 circuit is the tank heater. No tank module assembly components are serviced separately (at the time of writing). Replacement of the Reducing Agent Tank Module assembly is necessary if the tank module power and grounds are present, and no heater connection faults exist between the heating module (on the side of the tank) and the tank heating element connectors.
  • Diagnostic signal from power stage < 2.97 V
  • Power stage = Off state
 480 mSec.
  • 2 DCY
P20BC Reductant Heater "A" Control Circuit High Heating 1 circuit is the tank heater. No tank module assembly components are serviced separately (at the time of writing). Replacement of the Reducing Agent Tank Module assembly is necessary if the tank module power and grounds are present, and no heater connection faults exist between the heating module (on the side of the tank) and the tank heating element connectors.
  • Diagnostic signal from power stage > 2.2 A
  • Power stage = On state
 480 mSec.
  • 2 DCY
P20BD Reductant Heater "B" Control Circuit/Open -- Check the Reducing Agent Wire Heater. Refer to REDUCTION AGENT HEATED SUPPLY LINE CHECKING 
  • Diagnostic signal from power stage > 4.5 V
  • Power stage = Off state
 480 mSec.
  • 2 DCY
P20BF Reductant Heater "B" Control Circuit Low -- Check the Reducing Agent Wire Heater. Refer to REDUCTION AGENT HEATED SUPPLY LINE CHECKING 
  • Diagnostic signal from power stage < 2.97 V
  • Power stage = Off state
 480 mSec.
  • 2 DCY
P20B5 Reductant Metering Unit Heater Control Circuit/Open -- Check the Reducing Agent Wire Heater. Refer to REDUCTION AGENT HEATED SUPPLY LINE CHECKING 
  • Current during heating < 2 A
  • Heating = On
 1000 mSec.
  • 2 DCY
P20B7 Reductant Metering Unit Heater Control Circuit Low -- Check the Reducing Agent Wire Heater. Refer to REDUCTION AGENT HEATED SUPPLY LINE CHECKING 
  • Max. power at engagement < 5 A
  • Time since engagement > 10 Sec.
 ---
  • 2 DCY
P20B9 Reductant Heater "A" Control Circuit/Open Heating 1 circuit is the tank heater. No tank module assembly components are serviced separately (at the time of writing). Replacement of the Reducing Agent Tank Module assembly is necessary if the tank module power and grounds are present, and no heater connection faults exist between the heating module (on the side of the tank) and the tank heating element connectors.
  • Diagnostic signal from power stage > 4.5 V
  • Power stage = Off state
 480 mSec.
  • 2 DCY
P20C0 Reductant Heater "B" Control Circuit High -- Check the Reducing Agent Wire Heater. Refer to REDUCTION AGENT HEATED SUPPLY LINE CHECKING 
  • Diagnostic signal from power stage > 2.2 A
  • Power stage = On state
 480 mSec.
  • 2 DCY
P20EE SCR NOx Catalyst Efficiency Below Threshold Bank 1 -- Check the Reduction Agent Injector --. Refer to REDUCTION AGENT INJECTOR CHECKING 
  • Difference between calculated and measured efficiency > 0.25
  • Status NOx Sensor Downstream = ready
  • Status NOx Sensor Upstream = ready
  • Urea dosing = active
  • Adaptation = not active
  • DPF regeneration = not active
  • SCR Catalyst temp gradient < 0.2 to 0.34 K/s
  • SCR catalyst modeled temp. = 240 - 350 °C
  • NOx concentration upstream < 1500 ppm.
 Integrated NOx Mass flow upstream >=0.4g
  • 2 DCY
P20E8 Reductant Pressure Too Low -- Check the Reduction Agent Pressure Sensor. Refer to REDUCTION AGENT PRESSURE SENSOR CHECKING 
  • Pressure built up for 45 attempts < 3500 hPa
or
  • Actual pressure < 3000 hPa or Target - Actual pressure > 1500 hPa
  • SCR system state = pressure control
or
  • SCR system state = metering control
 100 Sec. or 500 mSec.
  • 2 DCY
P20E9 Reductant Pressure Too High -- Check the Reduction Agent Pressure Sensor. Refer to REDUCTION AGENT PRESSURE SENSOR CHECKING 
  • Pressure at dosing end > 500 hPa after 10 Sec.
or
  • Actual pressure > 7900 hPa or Target - Actual pressure < -1500 hPa
  • SCR system state = pressure reduction
or
  • SCR system state = metering control
 10000 mSec. or 5000 mSec.
  • 2 DCY
P2002 Particulate Trap Bank 1 Efficiency Below Threshold -- Check the Exhaust Pressure Sensor -G450-. Refer to EXHAUST PRESSURE SENSOR 1 CHECKING . If the pressure sensors are OK, a Service Bay Regeneration should be performed using a VAS 5052 (available for rental) or equivalent scan tool
  • Differential pressure < f (volumetric flow rate, soot load)
OR
  • Differential pressure < f (volumetric flow rate)
  • Calculated temperature of diesel particulate filter between 250 - 450 °C
  • Calculated DPF loading > 11g
  • Exhaust gas flow rate < 300 (m3/h)
  • T ambient (T1) > -7 °C
OR
  • Exhaust volumetric flow rate > 400 (m3/h)
  • Delta exhaust volumetric flow rate < (20) (m3/h)s
  • Within 1 Sec. time period
 2 Sec.
  • 2 DCY
OR
  • Immediate
P2004 Intake Manifold Runner Control Bank 1 Stuck Open -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING .
  • Control deviation > 10%
  • Actual position <= 40%
 --- 14000 mSec.
  • Continuous
  • 2 DCY
P2005 Intake Manifold Runner Control Bank 2 Stuck Open -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING .
  • Control deviation > 10%
  • Actual position <= 40%
 --- 14000 mSec.
  • Continuous
  • 2 DCY
P2006 Intake Manifold Runner Control Bank 1 Stuck Closed -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING .
  • Control deviation > 10%
  • Actual position > 40%
 --- 14000 mSec.
  • Continuous
  • 2 DCY
P2007 Intake Manifold Runner Control Bank 2 Stuck Closed -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING .
  • Control deviation > 10%
  • Actual position > 40%
 --- 14000 mSec.
  • Continuous
  • 2 DCY
P2008 Intake Manifold Runner Control Bank 1 Stuck Open -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING .
  • Diagnostic signal from power stage > 0.8 V (output 1) and < 2 V (output 2)
OR
  • Diagnostic signal from power stage = 8 to 18 A
OR
  • Diagnostic signal from power stage > 5 V or < 3.4 V
  • Power stage = Off state
OR
  • Power stage = On state
  • 600 mSec.
OR
  • 480 mSec.
  • Continuous
  • 2 DCY
P2009 Intake Manifold Runner Bank 1 Control Circuit Low -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING . Diagnostic signal from power stage 8 to 18 A Power stage = On state 480 mSec.
  • 2 DCY
P2010 Intake Manifold Runner Control Circuit High, Bank 1 -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING . Diagnostic signal from power stage = 8 to 18 A Power stage = On state 480 mSec.
  • 2 DCY
P2011 Intake Manifold Runner Bank 2 Control Circuit Stuck Open -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING .
  • Diagnostic signal from power stage > 0.8 V (output 1) and < 2 V (output 2)
OR
  • Diagnostic signal from power stage = 8 to 18 A
OR
  • Diagnostic signal from power stage > 5 V or < 3.4 V
  • Power stage = Off state
OR
  • Power stage = On state
  • 600 mSec.
OR
  • 480 mSec.
  • Continuous
  • 2 DCY
P2012 Intake Manifold Runner Bank 2 Control Circuit Low -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING . Diagnostic signal from power stage 8 to 18 A Power stage = On state 480 mSec.
  • 2 DCY
P2013 Intake Manifold Runner Bank 2 Control Circuit High -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING . Diagnostic signal from power stage = 8 to 18 A Power stage = On state 480 mSec.
  • 2 DCY
P2015 Intake Manifold Runner Position Sensor Circuit Range/Performance -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING .
  • Position sensor signal < 3550 mV
  • Position sensor signal > 1450 mV
OR
  • Position sensor signal > 550 mV and < 250 mV
OR
  • Position sensor signal > 4450 mV and < 4750 mV
  • ECT > -30 °C and < 120 °C
  • IAT > 0 and < 80 °C
 200 mSec.
  • 2 DCY
P2016 Intake Manifold Runner Position Sensor Circuit Low -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING . Position sensor signal <= 250 mV --- 480 mSec.
  • 2 DCY
P2017 Intake Manifold Runner Position Sensor Circuit High -- Check the Intake Flap Motor --. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING . Position sensor signal >= 4750 mV --- 480 mSec.
  • 2 DCY
P202A Reductant Tank Heater Control Circuit/Open Check the tank connections, and power and grounds to the Reduction Agent Tank Module. If all voltage and ground inputs to the module are present, Replace the Reduction Agent Tank Module assembly.
  • Current during heating < 2 A
  • Heating = On
 1000 mSec.
  • 2 DCY
P202B Reductant Tank Heater Control Circuit Low Check the tank connections, and power and grounds to the Reduction Agent Tank Module. If all voltage and ground inputs to the module are present, Replace the Reduction Agent Tank Module assembly.
  • Max. power at engagement < 3 W
  • Time since engagement > 10 Sec.
 ---
  • 2 DCY
P202C Reductant Tank Heater Control Circuit High Check the tank connections, and power and grounds to the Reduction Agent Tank Module. If all voltage and ground inputs to the module are present, Replace the Reduction Agent Tank Module assembly.
  • Max. power at engagement > 14 W
  • Time since engagement > 10 Sec.
 ---
  • 2 DCY
P2020 Intake Manifold Runner Position Sensor Circuit Bank 2 Range/Performance -- Check the Intake Flap Motor -V157-. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING .
  • Position sensor signal < 3550 mV
  • Position sensor signal > 1450 mV
OR
  • Position sensor signal > 550 mV and < 250 mV
OR
  • Position sensor signal > 4450 mV and < 4750 mV
 --- 200 mSec.
  • 2 DCY
P2021 Intake Manifold Runner Position Sensor Circuit Bank 2 Low -- Check the Intake Manifold Runner Position Sensor Bank 2. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING  Position sensor signal <= 250 mV --- 480 mSec.
  • 2 DCY
P2022 Intake Manifold Runner Position Sensor Circuit Bank 2 High -- Check the Intake Flap Motor -V157-. Refer to INTAKE MANIFOLD FLAP MOTOR AND RUNNER POSITION SENSOR 1-2 CHECKING . Position sensor signal >= 4750 mV --- 480 mSec.
  • 2 DCY
P203A Reductant Level Sensor Circuit Check the Reduction Agent Tank connections, and power and grounds to the Reduction Agent Tank Module. If all voltage and ground inputs to the module are present and no connection faults are found, Replace the Reduction Agent Tank Module assembly.
  • PWM signal < 15%
or
  • PWM signal > 85%
  • SCR tank temperature > -3 °C
  • If SCR tank temp < -3 °C then defrosting urea tank = done
  • Time until release of metering unit heating < 600 Sec.
 50 mSec.
  • 2 DCY
P203B Reductant Level Sensor Circuit Range/Performance Check the Reduction Agent Tank connections, and power and grounds to the Reduction Agent Tank Module. If all voltage and ground inputs to the module are present and no connection faults are found, Replace the Reduction Agent Tank Module assembly.
  • PWM signal = 31 - 41%
or
  • PWM signal = 15 - 30%
  • SCR tank temperature > -3 °C
  • If SCR tank temp < -3 °C then defrosting urea tank = done
  • Time until release of metering unit heating < 600 Sec.
 50 mSec.
  • 2 DCY
P2031 Exhaust Gas Temperature Sensor 2 Circuit -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING . Signal voltage > 1652 mV --- 480 mSec.
  • 2 DCY
P2032 Exhaust Gas Temperature Sensor 2 Circuit Low -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING . Signal voltage < 330 mV --- 480 mSec.
  • 2 DCY
P204A Reductant Pressure Sensor Circuit -- Check the Reduction Agent Pressure Sensor --. Refer to REDUCTION AGENT PRESSURE SENSOR CHECKING .
  • Signal voltage < 200 mV
 --- 480 mSec.
  • 2 DCY
P204B Reductant Pressure Sensor Circuit Range/Performance -- Check the Reduction Agent Pressure Sensor --. Refer to REDUCTION AGENT PRESSURE SENSOR CHECKING .
  • Signal voltage > 4800 mV
 --- 480 mSec.
  • 2 DCY
P204D Reductant Pressure Sensor Circuit High -- Check the Reduction Agent Pressure Sensor --. Refer to REDUCTION AGENT PRESSURE SENSOR CHECKING .
  • Actual pressure before pressure build up > 500 hPa
  • T6 > 100 °C
  • Ambient temperature > -3 °C
  • Urea tank temperature > -7 °C
  • Engine speed > 800 rpm
 200 mSec.
  • 2 DCY
P2047 Reductant Injection Valve Circuit/Open Bank 1 Unit 1 -- Check the Reduction Agent Injector --. Refer to REDUCTION AGENT INJECTOR CHECKING 
  • Diagnostic signal from power stage > 4.5 V
  • Power stage = Off state
 48 Sec.
  • 2 DCY
P2048 Reductant Injection Valve Circuit Low Bank 1 Unit 1 -- Check the Reduction Agent Injector --. Refer to REDUCTION AGENT INJECTOR CHECKING 
  • Diagnostic signal from power stage < 2.97 V
or
  • Analog measure < 2.8 V
  • Power stage = Off state
or
  • Power stage = On state
 48 Sec.
  • 2 DCY
P2049 Reductant Injection Valve Circuit High Bank 1 Unit 1 -- Check the Reduction Agent Injector --. Refer to REDUCTION AGENT INJECTOR CHECKING 
  • Diagnostic signal from power stage > 2.2 A
or
  • Analog measure < 200 mA
  • Power stage = On state
 48 Sec.
  • 2 DCY
P205A Reductant Tank Temperature Sensor Circuit -- Check the Reducing Agent Tank Temperature Sensor --. Refer to REDUCTION AGENT TEMPERATURE SENSOR CHECKING 
  • Signal voltage > 3100 mV
 --- 480 mSec.
  • 2 DCY
P205B Reductant Tank Temperature Sensor Circuit Range/Performance -- Check the Reducing Agent Tank Temperature Sensor --. Refer to REDUCTION AGENT TEMPERATURE SENSOR CHECKING 
  • Absolute value of temperature difference to ECT > 30 °K
  • Engine off time > 9 hr
  • Rising of urea temperature within 25 minutes < 1.5 °K
 480 mSec.
  • 2 DCY
P205C Reductant Tank Temperature Sensor Circuit Low -- Check the Reducing Agent Tank Temperature Sensor --. Refer to REDUCTION AGENT TEMPERATURE SENSOR CHECKING 
  • Signal voltage < 200 mV
 --- 480 mSec.
  • 2 DCY
P208A Reductant Pump "A" Control Circuit/Open Check the power and grounds to the Reduction Agent Tank Module. If all voltage and ground inputs to the module are present, Replace the Reduction Agent Tank Module assembly.
  • Deviation between actual and nominal control value > 0.75%
 --- 480 mSec.
  • 2 DCY
P208C Reductant Pump "A" Control Circuit Low Check the power and grounds to the Reduction Agent Tank Module. If all voltage and ground inputs to the module are present, Replace the Reduction Agent Tank Module assembly.
  • Diagnostic signal from power stage permanently <.46 uV
 --- 480 mSec.
  • 2 DCY
P208D Reductant Pump "A" Control Circuit High Check the power and grounds to the Reduction Agent Tank Module. If all voltage and ground inputs to the module are present, Replace the Reduction Agent Tank Module assembly.
  • Diagnostic signal from power stage permanently >.6 uV
 --- 480 mSec.
  • 2 DCY
P208E Reductant Injection Valve Stuck Closed Bank 1 Unit 1 -- Check the Reduction Agent Injector --. Refer to REDUCTION AGENT INJECTOR CHECKING 
  • Missing number of signal peaks > 50
  • Urea dosing = active
  • Ambient pressure = 700 - 1300 hPa
  • SCR urea pressure = 3500 - 6500 hPa
  • Dosing valve coil temperature = 10 - 20 °C
 25 - 500 Sec.
  • 2 DCY
P2080 Exhaust Gas Temperature Sensor Circuit Range/Performance -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING .
  • Temperature difference to temp EGR T3, T4, T5, T6 > 60 °K
or
  • Mean value of modeled to measured T4 > 100 °K
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 °K at > 25 mph for 20 Sec.
  • Decrease of AAT after engine start < 5 °K for 60 Sec.
 20 Sec. with speed above 25 mph
  • 2 DCY
P2084 Exhaust Gas Temperature Sensor 2 Circuit Range/Performance -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING .
  • Temperature difference to temp EGR T3, T4, T5, T6 > 60 °K
or
  • Mean value of modeled to measured T3 > 100 °K
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 °K at > 25 mph for 20 Sec.
  • Decrease of AAT after engine start < 5 °K for 60 Sec.
 20 Sec. with speed above 25 mph
  • 2 DCY
P2100 Throttle Actuator Control Motor Circuit/Open -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Signal from power stage > 3.26 V and < 5.40 V Power stage = Off state During ECM keep alive time
  • Continuous
  • 2 DCY
P2101 Throttle Actuator Control Motor Circuit Range/performance -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Signal = no change --- ECM initialization time
  • 2 DCY
P2102 Throttle Actuator Control Motor Circuit Low -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Signal from power stage <= 3.26 V Power stage = Off state During ECM keep alive time
  • Continuous
  • 2 DCY
P2103 Throttle Actuator "A" Control Motor Circuit High -- Check the Throttle Valve Control Module -J338-. Refer to THROTTLE VALVE CONTROL MODULE, CHECKING . Signal from power stage > 1.50 V and > 50 mA Power stage = On state 480 mSec.
  • Continuous
  • 2 DCY
P2122 Throttle/Pedal Position Sensor D Circuit Low Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage < 0.646 V --- 200 mSec.
  • Continuous
  • 2 DCY
P2123 Throttle/Pedal Position Sensor D Circuit High Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage > 4.889 V --- 200 mSec.
  • Continuous
  • 2 DCY
P2127 Throttle/Pedal Position Sensor E Circuit Low Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage < 0.276 V --- 200 mSec.
  • Continuous
  • 2 DCY
P2128 Throttle/Pedal Position Sensor E Circuit High Input -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING . Signal voltage > 2.644 V --- 200 mSec.
  • Continuous
  • 2 DCY
P2138 Throttle/Pedal Position Sensor D/E Circuit Voltage Correlation -- Check the Throttle Position (TP) Sensor -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to THROTTLE POSITION SENSOR/ACCELERATOR PEDAL POSITION SENSOR 2, CHECKING .
  • Signal voltage sensor 1 vs. sensor 2 > 143 - 260 mV
  • Signal voltage sensor 1 > 445 mV
  • Sensor 2 > 445 mV
  • Limp in mode = inactive
 430 mSec.
  • Continuous
  • 2 DCY
P2146 Fuel Injector Group "A" Supply Voltage Circuit Open -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING . Diagnostic signal from power stage = internal signal Injection signal = injector On 4 injections
  • Continuous
  • 2 DCY
P2152 Fuel Injector Group "C" Supply Voltage Circuit/Open -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING . Diagnostic signal from power stage = internal signal Injection signal = injector On 4 injections
  • Continuous
  • 2 DCY
P2183 Engine Coolant Temperature Sensor 2 Circuit Range/Performance -- Check the Engine Coolant Temperature (ECT) Sensor 2 -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 2, CHECKING .
  • Temperature difference to ECT > 30 °K
  • Temperature difference to T2, FTS > 35 °K
  • Temperature difference to T1 > 40 °K
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 °K at > 25 mph for 20 Sec.
  • Decrease of AAT after engine start < 5 °K for 60 Sec.
 20 Sec. with speed above 25 mph
  • Continuous
  • 2 DCY
P2184 Engine Coolant Temperature Sensor 2 Circuit Low -- Check the Engine Coolant Temperature (ECT) Sensor 2 -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 2, CHECKING . Signal voltage < 162 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P2185 Engine Coolant Temperature Sensor 2 Circuit High -- Check the Engine Coolant Temperature (ECT) Sensor 2 -G83-. Refer to ENGINE COOLANT TEMPERATURE SENSOR 2, CHECKING . Signal voltage > 3255 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P2195 O2 Sensor Signal Stuck Lean Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Measured oxygen concentration @ fuel cutoff > 25.6%
OR
  • Measured oxygen concentration @ part load > (calculated) 6.5%
  • Engine in fuel cutoff
  • EGR valve closed
  • Heater control = active
  • DPF regeneration = not active
  • Air mass > 250 mg/stroke
  • Integrated air mass flow > 180 g
  • Engine speed > 1100 rpm
OR
  • Heater control = active
  • DPF regeneration = not active
  • Fuel mass < 5 - 14 mg/stroke
  • Air mass > 250 mg/stroke
  • Integrated air mass flow > 180 g
  • Engine speed 630 - 850 rpm
  • 5 - 10 Sec.
OR
  • 20 - 30 Sec.
  • Continuous
  • 2 DCY
P2196 O2 Sensor Signal Stuck Rich Bank 1 Sensor 1 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Measured oxygen concentration @ fuel cutoff > 14.7%
  • Engine in fuel cutoff
  • EGR valve closed
  • Heater control active
  • DPF regeneration inactive
  • Air mass > 250 mg/stroke
  • Integrated air mass flow > 180g
  • Engine speed > 1100 rpm
 5 -10 Sec.
  • Continuous
  • 2 DCY
P22A0 NOx Sensor Bank 1 Sensor 2 Circuit Low -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • NOx value < -105 ppm
  • Dewpoint exceeded
  • NOx control = active
 2 Sec.
  • Continuous
  • 2 DCY
P22A1 NOx Sensor Bank 1 Sensor 2 Circuit High -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • NOx value > 1655 ppm
  • Dewpoint exceeded
  • NOx control = active
 2 Sec.
  • Continuous
  • 2 DCY
P22A7 NOx Sensor Heater Sense Bank 1 Sensor 2 Circuit Range/Performance -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • NOx control = not active after > 400 Sec.
  • Exhaust temperature upstream SCR = 100 - 600 °C
  • Dewpoint exceeded
 1 Sec.
  • Continuous
  • 2 DCY
P220A NOx Sensor Supply Voltage Bank 1 Sensor 1 Circuit -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • Sensor supply voltage > 1.5 or < 12 V
  • Dewpoint exceeded
 2 Sec.
  • Continuous
  • 2 DCY
P220B NOx Sensor Supply Voltage Bank 1 Sensor 2 Circuit -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • Sensor supply voltage > 1.5 or < 12 V
  • Dewpoint exceeded
 2 Sec.
  • Continuous
  • 2 DCY
P2200 NOx Sensor Bank 1 Sensor 1 Circuit -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • Exhaust temperature upstream SCR = 100 - 600 °C
  • Dewpoint exceeded
  • Measured A/F ratio (O2S) > 1
  • NOx control = 1st activation
  • Exhaust temperature upstream SCR 100 - 600 °C
  • Steady state condition (actual filtered A/F ratio) O2S < 0 - 0.2 for 5 Sec.
      
P2201 NOx Sensor Circuit Range/Performance Bank 1 Sensor 1 -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • NOx 40 - 70%, time > 5 Sec. or 40% value not reached within 7 Sec.
  • Ratio > 3 or < -0.75
  • Average NOx Offset value > 50 or < -30 ppm
  • NOx sensor heater control = active
  • Fuel cutoff = active
  • DPF regeneration = not active
  • Time since last DPF regeneration > 60 Sec.
  • Fuel quantity > 10 mg/stroke
  • Air mass = 250 - 450 mg/stroke
  • EGR sensor closed or position 70 - 90%
  • Engine speed 1300 - 1800 rpm
  • ECT > 65 °C
  • Exhaust gas temp upstream catalyst > 80 °C
  • Time since engine start > 120 Sec.
  • Calculated NOx value = 50 - 250 ppm
  • Ambient temp = 7 - 50 °C
  • Zero Fuel calibration = not active
 6 - 7.5 Sec.
  • Continuous
  • 2 DCY
P2202 NOx Sensor Bank 1 Sensor 1 Circuit Low -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • NOx value < -105 ppm
  • Dewpoint exceeded
  • NOx control = active
 2 Sec.
  • Continuous
  • 2 DCY
P2203 NOx Sensor Bank 1 Sensor 1 Circuit High -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • NOx value > 1655 ppm
  • Dewpoint exceeded
  • NOx control = active
 2 Sec.
  • Continuous
  • 2 DCY
P2209 NOx Sensor Heater Sense Bank 1 Sensor 1 Circuit Range/Performance -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • NOx control = not active after > 400 Sec.
  • Exhaust temperature upstream SCR = 100 - 600 °C
  • Dewpoint exceeded
 1 Sec.
  • Continuous
  • 2 DCY
P2237 O2 Sensor Positive Current Control Circuit Bank 1 Sensor 1 Open -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • Measured oxygen concentration < 0.005
  • Fuel cutoff = not active
  • Time since last fuel cutoff > 30 Sec.
  • Calibration of internal resistance or O2 = not active
  • Modeled O2 concentration > 0.067 for 2 Sec.
  • O2 heater temp > 720 and < 840 °C
  • Dewpoint exceeded
  • Reference pump current = active
  • Oxygen pump current = active
  • Engine operation mode = normal for > 200 mSec.
  • Regeneration = not active
 2 Sec.
  • Continuous
  • 2 DCY
P2243 O2 Sensor Reference Voltage Circuit Bank 1 Sensor 1 Open -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • O2S internal resistance > 3 V
  • Oxygen signal < -1.3 V or > 1.5 V
  • Fuel cutoff = not active
  • Time since last fuel cutoff > 30 Sec.
  • Calibration of internal resistance or O2 = not active
  • Heater control = active for > 10 Sec.
  • Dewpoint exceeded
 2 Sec.
  • Continuous
  • 2 DCY
P2251 O2 Sensor Negative Current Control Circuit Bank 1 Sensor 1 open -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to OXYGEN SENSOR BEFORE CATALYTIC CONVERTER, CHECKING .
  • O2S internal resistance > 3 V
  • Oxygen signal > -0.1 V and < 0.1 V
  • Fuel cutoff = not active
  • Time since last fuel cutoff > 30 Sec.
  • Calibration of internal resistance or O2 = not active
  • Heater control = active for > 10 Sec.
  • Dewpoint exceeded
 2 Sec.
  • Continuous
  • 2 DCY
P2263 Turbocharger/Supercharger Boost System Performance -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to TURBOCHARGER CONTROL MODULE CHECKING . Control deviation > 8% --- 3100 mSec.
  • 2 DCY
P2264 Boost Pressure Actuator Position Sensor Low -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to TURBOCHARGER CONTROL MODULE CHECKING . Position sensor signal < 150 mV --- 1300 mSec.
  • 2 DCY
P2265 Boost Pressure Actuator Position Sensor High -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to TURBOCHARGER CONTROL MODULE CHECKING . Position sensor signal > 4848 mV --- 1300 mSec.
  • 2 DCY
P2279 Intake Air System Leak Check for leaking engine gaskets, oil cap not installed properly or leak in the intake duct after the Mass Air Flow sensor. Ratio of measured and modeled mass air flow < 0.45
  • Ambient pressure > 50 kPa
  • Engine speed 1000 - 4000 RPM
  • Boost pressure < 200 kPa
  • Fuel quantity > 0 mg/stroke
 3 Sec.
  • 2 DCY
P229E NOx Sensor Bank 1 Sensor 2 Circuit -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • NOx sensor status ratio > 0.5
  • Exhaust temperature upstream SCR 100 - 600 °C
  • Measured A/F ratio (O2S) > 1
  • NOx control = 1st activation
  • Dewpoint exceeded
  • Steady state condition (actual filtered A/F ratio (O2S)) 0 - 0.2 for > 5 Sec.
 3 - 15 Sec.
  • Continuous
  • 2 DCY
P229F NOx Sensor Circuit Range/Performance Bank 1 Sensor 2 -- Check the NOx Sensor Module --. Refer to NOX SENSOR MODULE 1 - 2, CHECKING .
  • Delta of NOx value downstream SCR <= 5 ppm after peak detection of NOx value upstream
  • Number of checks = 2
OR
  • Average NOx Offset value > 50 or < -30 ppm
  • NOx sensor heaters = active
  • NOx sensor upstream rationality check = tested
  • Engine speed 1000 - 3500 rpm
  • Time since engine start = 120 Sec.
  • Calculated exhaust gas mass flow < 150 kg/hr
  • Measured NOx value upstream < 175 ppm stable for 1 Sec.
  • Calculated exhaust mass flow > 400 kg/hr
  • OR measured NOx value upstream > 600 ppm for 2.5 Sec.
  • Zero fuel calibration = not active
 2 consecutive 5.5 Sec intervals
  • Continuous
  • 2 DCY
P2294 Fuel Pressure Regulator 2 Control Circuit -- Check the Fuel Pressure Regulator Metering Valve 2 -N290-. Refer to FUEL PRESSURE REGULATOR METERING VALVE 2 CHECKING . Diagnostic signal from power stage < 2.97 V Power stage = Off state 0.29 Sec.
  • Continuous
  • 2 DCY
P2295 Fuel Pressure Regulator 2 Control Circuit Low -- Check the Fuel Pressure Regulator Metering Valve 2 -N290-. Refer to FUEL PRESSURE REGULATOR METERING VALVE 2 CHECKING . Diagnostic signal from power stage > 4.5 V Power stage = Off state 0.22 Sec.
  • Continuous
  • 2 DCY
P2296 Fuel Pressure Regulator 2 Control Circuit High -- Check the Fuel Pressure Regulator Metering Valve 2 -N290-. Refer to FUEL PRESSURE REGULATOR METERING VALVE 2 CHECKING . Diagnostic signal from power stage > 2.7 A Power stage = On state 0.29 Sec.
  • Continuous
  • 2 DCY
P242A Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3 -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING . Signal voltage > 1652 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P242B Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3 Range/Performance -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING .
  • Temperature difference to EGR temp, T3, T4, T5, T6 > 60 °K
OR
  • Mean value of modeled - measured T5 > 100 °K
 --- 300 Sec.
  • Continuous
  • 2 DCY
P242C Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3 -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING . Signal voltage < 330 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P2425 Exhaust Gas Recirculation Cooling Valve Control Circuit Open -- Check the EGR Cooler Switch Over Valve --. Refer to EGR COOLER SWITCH OVER VALVE 1-2 CHECKING . Diagnostic signal from power stage > 4.5 V Power stage = Off state 480 mSec.
  • Continuous
  • 2 DCY
P2426 Exhaust Gas Recirculation Cooling Valve Control Circuit Low -- Check the EGR Cooler Switch Over Valve --. Refer to EGR COOLER SWITCH OVER VALVE 1-2 CHECKING . Diagnostic signal from power stage < 2.97 V Power stage = Off state 480 mSec.
  • Continuous
  • 2 DCY
P2427 Exhaust Gas Recirculation Cooling Valve Control Circuit High -- Check the EGR Cooler Switch Over Valve --. Refer to EGR COOLER SWITCH OVER VALVE 1-2 CHECKING . Diagnostic signal from power stage > 2.2 A Power stage = On state 480 mSec.
  • Continuous
  • 2 DCY
P244C Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1 If no Exhaust Temperature Sensor codes are set, a Service Bay Regeneration should be performed using a VAS 5052 (available for rental) or equivalent scan tool Time to closed loop 120 - 300 Sec.
  • T5 < 350 °C
  • Engine speed > 1500 rpm
  • Fuel mass > 15 mg/stroke
  • Regeneration with post injection = On
 10 - 300 Sec.
  • Immediate
P245B Exhaust Gas Recirculation Cooler Bypass Control Circuit Range/Performance -- Check the EGR Cooler Switch Over Valve --. Refer to EGR COOLER SWITCH OVER VALVE 1-2 CHECKING . Measured temperature < 0.8
  • Engine speed = 1200 - 2500 rpm
  • Delta engine speed = + -250 rpm
  • Fuel quantity = 9 - 80 mg/stroke
  • Delta fuel quantity = + -20 mg/stroke
  • EGR valve > 0 85%
  • Delta EGR valve = + -15%
  • EGR mass flow > 30 kg/hr
  • SCR temp > 150 °C
  • EGR temp < 300 °C
 11 Sec.
  • 2 DCY
P2452 Diesel Particulate Filter Differential Pressure Sensor Circuit -- Check the Exhaust Pressure Sensor --. Refer to EXHAUST PRESSURE SENSOR 1 CHECKING . Sensor voltage > 4.9 V --- 480 mSec.
  • Continuous
  • 2 DCY
P2453 Diesel Particulate Filter Differential Pressure Sensor Circuit Range/Performance -- Check the Exhaust Pressure Sensor --. Refer to EXHAUST PRESSURE SENSOR 1 CHECKING .
  • Pressure drop > 3 kPa or < -3 kPa
 Engine Off 5 Sec.
  • 2 DCY
P2454 Diesel Particulate Filter Differential Pressure Sensor Circuit Low -- Check the Exhaust Pressure Sensor --. Refer to EXHAUST PRESSURE SENSOR 1 CHECKING . Sensor voltage < 0.2 V --- 480 mSec.
  • Continuous
  • 2 DCY
P246E Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4 -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING . Signal voltage > 1652 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P246F Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4 Range/Performance -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING .
  • Temperature difference to EGR temp, T3, T4, T5, T6 > 60 °K
OR
  • Mean value of modeled - measured T5 > 100 °K
 --- 300 Sec.
  • Continuous
  • 2 DCY
P2463 Diesel Particulate Filter - Soot Accumulation Service Bay Regeneration must be performed using a VAS 5052 (available for rental) or equivalent scan tool Calculated particulate matter trap loading > 40 g --- 0.2 Sec.
  • 2 DCY
P247A Exhaust Gas Temperature Out of Range Bank 1 Sensor 3 -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING . Control deviation (T5) > 200 K or < -100 K
  • Regeneration with post injection = On
  • Temperature controller set value > 90 or < 10%
  • Fuel mass > 6 mg/stroke
  • Engine speed > 1000 RPM
  • T5 > 350 °C
  • Temperature change T5 (absolute value) < 3 °K/Sec.
 50 - 120 Sec.
  • Immediate
P2470 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 4 -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING . Signal voltage < 330 mV --- 480 mSec.
  • Continuous
  • 2 DCY
P2478 Exhaust Gas Temperature Out of Range Bank 1 Sensor 1 -- Check the Exhaust Gas Temperature Sensor --. Refer to EXHAUST GAS TEMPERATURE SENSOR 1- 4 CHECKING . Control deviation > limit from Map f or < limit from Map f (engine speed, torque)
  • Regeneration from PM trap = On
  • Upstream turbine temperature > 350 °C
  • Desired post injection > 1 mg/stroke
  • Fuel quantity > 3 mg/stroke
  • Engine speed 1250 - 4000 RPM
  • ECT between 20 - 115 °C
  • Veh speed > 35 km/h
 30 Sec.
  • 1 DCY
P2564 Turbocharger Boost Control Position Sensor Circuit Low -- Check the Turbocharger Control Module --. Refer to TURBOCHARGER CONTROL MODULE CHECKING . Sensor signal voltage < 0.15 V --- 480 mSec.
  • 2 DCY
P2565 Turbocharger Boost Control Position Sensor Circuit High -- Check the Turbocharger Control Module --. Refer to TURBOCHARGER CONTROL MODULE CHECKING . Sensor signal voltage > 4.85 V --- 480 mSec.
  • 2 DCY
P261A Coolant Pump "B" Control Circuit/Open -- Check the EGR Cooler Pump --. Refer to EGR COOLER PUMP CHECKING .
  • Open circuit Signal voltage < 5 V
  • Functional voltage = 3.2 - 3.5 V
  • Pump speed = 50 - 90%
 480 mSec.
  • Continuous
  • 2 DCY
P261C Coolant Pump "B" Control Circuit Low -- Check the EGR Cooler Pump --. Refer to EGR COOLER PUMP CHECKING . Signal voltage < 3 V
  • Pump speed = 50 - 90%
 480 mSec.
  • Continuous
  • 2 DCY
P261D Coolant Pump "B" Control Circuit High -- Check the EGR Cooler Pump --. Refer to EGR COOLER PUMP CHECKING . Signal voltage > 1.8 V
  • Pump speed = 50 - 90%
 480 mSec.
  • Continuous
  • 2 DCY
P2610 ECM/PCM Internal Engine Off Timer Performance -- Replace the Engine Control Module (ECM) -J623- Refer to the Repair information for procedure. Quantity time over threshold < 7.52 or > 8.48 Sec. Engine off 24 Sec. in key Off position
  • 2 DCY
P2632 Fuel Pump "B" Control Circuit Open -- Check the Auxiliary Fuel Pump -V393-. Refer to AUXILIARY FUEL PUMP CHECKING 
  • Diagnostic signal from output stage > 4.5 V
 Power stage = Off 0.27 Sec.
  • Continuous
  • 2 DCY
P2633 Fuel Pump "B" Control Circuit Low -- Check the Auxiliary Fuel Pump -V393-. Refer to AUXILIARY FUEL PUMP CHECKING  Grounded circuit diagnostic signal from output driver Power stage = Off 480 mSec.
  • Continuous
  • 2 DCY
P2634 Fuel Pump "B" Control Circuit High -- Check the Auxiliary Fuel Pump -V393-. Refer to AUXILIARY FUEL PUMP CHECKING 
  • Diagnostic signal from output stage > 2.7 A
 Power stage = On 2.27 Sec.
  • Continuous
  • 2 DCY
P310E Exhaust gas recirculation cooler bypass valve 2 Implausible signal -- Check the EGR Cooler Switch Over Valve --. Refer to EGR COOLER SWITCH OVER VALVE 1-2 CHECKING . Measured temperature < 0.8
  • Engine speed = 1200 - 2500 rpm
  • Delta engine speed = + -250 rpm
  • Fuel quantity = 9 - 80 mg/stroke
  • Delta fuel quantity = + -20 mg/stroke
  • EGR valve > 0 - 80%
  • Delta EGR = + -15%
  • SCR temp > 150 °C
  • EGR temp < 300 °C
 11 Sec.
  • 2 DCY
P3348 Activation turbocharger control unit bank 1 Electrical malfunction in circuit -- Check the Turbocharger Control Module --. Refer to TURBOCHARGER CONTROL MODULE CHECKING .
  • Diagnostic signal from power stage = 8 - 18 A
OR
  • Diagnostic signal from power stage > 5 V or < 3.4 V
 Power stage = On state 480 mSec.
  • 2 DCY
DTC Error Message Diagnostic Procedure Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illum
U0001 High Speed CAN Communication Bus -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
  • CAN message = no feedback
  • Time after ignition On > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 250 mSec.
  • Continuous
  • 2 DCY
U0002 High Speed CAN Communication Bus Performance -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . Global time out. Receiving no messages.
  • Time after ignition On > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 450 mSec.
  • Continuous
  • 2 DCY
U0028 Vehicle Communication Bus A -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . CAN message = no feedback
  • Time after ignition On > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 250 mSec.
  • Continuous
  • 2 DCY
U0029 Vehicle Communication Bus A Performance -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING . Global time out. Receiving no messages.
  • Time after ignition On > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 450 mSec.
  • Continuous
  • 2 DCY
U0101 Lost Communication with TCM Check TCM communication with a scan tool. If no TCM communication with scan tool and all other modules communicate, check TCM power and grounds. If OK, replace TCM Module. No TCM messages received.
  • Time after ignition On > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 > 500 mSec.
  • Continuous
  • 2 DCY
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module Check ABS communication with a scan tool. If no ABS communication with scan tool and all other modules communicate, check ABS power and grounds. If OK, replace ABS Module. No CAN messages received from ABS module
  • Time after ignition On > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 > 500 mSec.
  • Continuous
  • 2 DCY
U0140 Lost Communication With Body Control Module Check BCM communication with a scan tool. If no BCM communication with scan tool and all other modules communicate, check BCM power and grounds. If OK, replace BCM Module. No CAN messages from BCM
  • Time after ignition On > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 1000 mSec.
  • Continuous
  • 2 DCY
U0146 Lost Communication With Gateway "A" If only 1 module has set this code, the gateway is operational and the fault will be with the module that set the code. Check module power and grounds. If OK, replace module. CAN messages from Gateway = no message.
  • Time after ignition On > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 1000 mSec.
  • Continuous
  • 2 DCY
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module Check IPC communication with a scan tool. If no IPC communication with scan tool and all other modules communicate, check IPC power and grounds. If OK, replace IPC Module. No CAN messages received from Instrument cluster
  • Time after ignition on > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 440 mSec.
  • Continuous
  • 2 DCY
U0302 Software Incompatibility with Transmission Control Module Check for correct software in ECM and TCM. If software is incorrect, reflash module with correct software. Auto trans messages received from ECM.
  • Time after ignition on > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 100 mSec.
  • Continuous
  • 2 DCY
U0323 Software Incompatibility With Instrument Panel Control Module Check IPC software for correct version. Reflash if necessary Error bit = set Communication time after T15 ON > 1 Sec. 2 Sec.
  • Continuous
  • 2 DCY
U0402 Invalid Data Received From Transmission Control Module May have VIN error or incorrect software. Check VIN and software number for correct data. Wrong TCM messages received.
  • Time after ignition on > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 60 mSec.
  • Continuous
  • 2 DCY
U0415 Invalid Data Received From Anti-Lock Brake System Control Module Refer to the Repair information for ABS diagnosis.
  • Error bit = set
  • Implausible data from ABS
OR
  • Speed sensor signal = 655.35 km/h
  • Communication time after T15 ON > 1 Sec.
OR
  • Time after ignition on > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 450 mSec to 2 Sec.
  • Continuous
  • 2 DCY
U0423 Invalid Data Received From Instrument Panel Cluster Control Module May have VIN error. Check VIN in each module for correct data Error message sent from instrument cluster = invalid data
  • Time after ignition on > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 480 - 3000 mSec.
  • Continuous
  • 2 DCY
U1006 NOx Sensor 1 Bank 1 No communication -- Check the NOx Sensor. Refer to NOX SENSOR MODULE 1 - 2, CHECKING  No messages from NOx sensor 1 module
  • Time after ignition on > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 > 500 mSec.
  • Continuous
  • 2 DCY
U1034 NOx Sensor 1 Bank 1 Implausible signal -- Check the NOx Sensor. Refer to NOX SENSOR MODULE 1 - 2, CHECKING  Data from NOx sensor 1 module implausible
  • Time after ignition on > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 60 mSec.
  • Continuous
  • 2 DCY
U1035 NOx Sensor 1 Bank 2 Implausible signal -- Check the NOx Sensor. Refer to NOX SENSOR MODULE 1 - 2, CHECKING  Data from NOx sensor 2 module implausible
  • Time after ignition on > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 60 mSec.
  • Continuous
  • 2 DCY
U1036 NOx Sensor 1 Bank 2 No Communication -- Check the NOx Sensor. Refer to NOX SENSOR MODULE 1 - 2, CHECKING  No messages from NOx sensor 2 module
  • Time after ignition on > 500 mSec.
  • Battery voltage between 9.5 and 16.5 V
 > 500 mSec.
  • Continuous
  • 2 DCY
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