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Sae P0XXX Diagnostic Trouble Codes

For Monitor Strategy Information Refer to: Bosch Motronic ME 5.9.2 OBD System Strategy

Fuel and air ratios

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illumination
P0102	Mass or Volume Air Flow Circuit Low Input	-- Refer to MASS AIR FLOW SENSOR G70, CHECKING .	Lower threshold Depending on engine speed and engine load	Air mass <3.5-6.0 kg/h	0.5 Sec	Continuous 2 DCY
P0103	Mass or Volume Air Flow Circuit High Input	-- Refer to MASS AIR FLOW SENSOR G70, CHECKING .	Upper threshold Depending on engine speed and engine load	Air mass ->104-472 kg/h	0.5 Sec	Continuous 2 DCY
P0112	Intake Air Temperature Sensor 1 Circuit Low Input	-- Refer to INTAKE AIR TEMPERATURE SENSOR G42, CHECKING .	Short to ground >268.3° F	---	0.5 Sec	Continuous 2 DCY
P0113	Intake Air Temperature Sensor 1 Circuit High Input	-- Refer to INTAKE AIR TEMPERATURE SENSOR G42, CHECKING .	Short to battery + < -47.7° F	---	0.5 Sec	Continuous 2 DCY
P0120	Throttle/Pedal Position Sensor/Switch "A" Circuit	-- Refer to THROTTLE POSITION SENSOR G69 AND THROTTLE POSITION SENSOR G88, CHECKING .	Calculated throttle angle vs. measured throttle angle >-5° F	---	0.5 Sec	Continuous 2 DCY
P0121	Throttle/Pedal Position Sensor "A" Circuit Range/Performance	-- Refer to THROTTLE POSITION SENSOR G69 AND THROTTLE POSITION SENSOR G88, CHECKING .	Signal high >4.86 V No signal	---	0.5 Sec	Continuous 2 DCY
P0122	Throttle/Pedal Position Sensor A Circuit Low Input	-- Refer to THROTTLE POSITION SENSOR G69 AND THROTTLE POSITION SENSOR G88, CHECKING .	Signal low <0.157 V	-	0.5 Sec	Continuous 2 DCY
P0131	O2 Sensor Circuit, Bank 1 - Sensor 1 Low Voltage	-- Refer to HEATED OXYGEN SENSOR G39, CHECKING .	Short to ground<-0.15 V	---	0.5 Sec	2 DCY
P0132	O2 Sensor Circuit, Bank 1 - Sensor 1 High Voltage	-- Refer to HEATED OXYGEN SENSOR G39, CHECKING .	Short to battery+>1.077 V	---	0.5 Sec	2 DCY
P0133	O2 Circuit Slow Response (Bank 1, Sensor 1)	-- Refer to HEATED OXYGEN SENSOR G39, CHECKING .	Threshold for signal period >2.2 sec.	Catalyst temp. - >666°F Engine load - 1.85-5.0 ms Engine speed -2200-2840 RPM Fuel control - Closed loop EVAP purge flow <25%	50 Sec	Continuous 2 DCY
P0134	O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)	-- Refer to HEATED OXYGEN SENSOR G39, CHECKING .	Open circuit or no activity<0.59 V and >0.40 V	Sensor heated up after 130.0 sec.	5 Sec	Continuous 2 DCY
P0135	O2 Heater Circuit (Bank 1, Sensor 1)	-- Refer to OXYGEN SENSOR HEATER Z19, CHECKING .	Short to ground, Open circuit 0-14 V 0-2.2 A 6.43-48 Ω	Sensor heated up after 130.0 sec.	0.5 Sec	Continuous 2 DCY
P0137	O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2)	-- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER G108, CHECKING .	Short to ground <-0.15 V	---	5 Sec	2 DCY
P0138	O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)	-- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER G108, CHECKING .	Short to battery+>1.077 V	---	5 Sec	2 DCY
P0139	O2 Sensor Circuit Slow Response (Bank 1, Sensor 2)	-- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER G108, CHECKING .	Expected sensor voltage variation (1) Voltage < 0.59 V or Voltage > 0.59 V Fault if no signal/threshold crossing (2) Voltage > 0.25 V	(1) Sensor heated up 2nd control loop - Closed Air mass flow - >50 kg/h Catalyst temp. - >752.0°F Diagnosis downstream sensor heater coasting -Completed	200 Sec Once / DCY	2 DCY
P0140	O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2)	-- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER G108, CHECKING .	Open circuit or no activity<0.59 V and >0.40 V	Sensor heated up after 130.0 sec.	5 Sec	Continuous 2 DCY
P0141	O2 Sensor Heater Circuit (Bank 1, Sensor 2)	-- Refer to OXYGEN SENSOR HEATER Z28, CHECKING .	Short to ground, Open circuit 0-14 V 0-2.2 A 6.43-48 Ω	Sensor heated up after 130.0 sec.	0.5 Sec	Continuous 2 DCY
P0171	System Too Lean (Bank 1)	-- Refer to FUEL PRESSURE, CHECKING .-- Refer to FUEL INJECTORS N30, N31, N32, N33, CHECKING .-- Refer to HEATED OXYGEN SENSOR G39, CHECKING .-- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER G108, CHECKING .-- Refer to EVAP CANISTER PURGE REGULATOR VALVE N80, CHECKING .-- Check the intake system for leaks (false air).-- Check the vacuum lines for leaks	System too rich <-17% System too lean>+17% Within adaptive range	Lambda control, Closed loop Engine speed, < 1200 RPM Mass air flow, < 25 kg/h IAT, < 150.35° F Air mass < 25kg/h.	19 Sec	Continuous 2 DCY
P0172	System Too Rich (Bank 1)	-- Refer to FUEL PRESSURE, CHECKING .-- Refer to FUEL INJECTORS N30, N31, N32, N33, CHECKING .-- Refer to HEATED OXYGEN SENSOR G39, CHECKING .-- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER G108, CHECKING .-- Refer to EVAP CANISTER PURGE REGULATOR VALVE N80, CHECKING .	System too rich <-17% System too lean>+17% Within adaptive range	Lambda control, Closed loop Engine speed, < 1200 RPM Mass air flow, < 25 kg/h IAT, < 150.35° F Air mass < 25kg/h.	19 Sec	Continuous 2 DCY

Ignition system

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 the Spark plugs.-- Check the intake system for leaks.-- Refer to FUEL PRESSURE, CHECKING .-- Refer to FUEL INJECTORS N30, N31, N32, N33, CHECKING .-- Refer to IGNITION COIL N152, CHECKING .	Multiple misfire	Time from engine start - < 5 sec..Engine speed - Governed engine RPM Engine torque- 0 Load change -<8ms /ignition	1000 Rev.	2 DCY
P0301	Cylinder 1 Misfire Detected	-- Check the Spark plugs.-- Check the intake system for leaks.-- Refer to FUEL PRESSURE, CHECKING .-- Refer to FUEL INJECTORS N30, N31, N32, N33, CHECKING .-- Refer to IGNITION COIL N152, CHECKING .	Emission threshold misfire rate (MR) > 2.5%. Catalyst damage misfire rate (MR) 1.3 - 50%	Time from engine start - < 5 sec Engine speed - <Governed engine RPM Engine torque- >0 Load change -<8ms /ignition	1000 Rev. 200 Rev.	Continous 2 DCY Immed.
P0302	Cylinder 2 Misfire Detected	-- Check the Spark plugs.-- Check the intake system for leaks.-- Refer to FUEL PRESSURE, CHECKING .-- Refer to FUEL INJECTORS N30, N31, N32, N33, CHECKING .-- Refer to IGNITION COIL N152, CHECKING .	Emission threshold misfire rate (MR) > 2.5%. Catalyst damage misfire rate (MR) 1.3 - 50%	Time from engine start - < 5 sec..Engine speed - <Governed engine RPM Engine torque- >0 Load change -<8ms /ignition	1000 Rev. 200 Rev.	Continous 2 DCY Immed.
P0303	Cylinder 3 Misfire Detected	-- Check the Spark plugs.-- Check the intake system for leaks.-- Refer to FUEL PRESSURE, CHECKING .-- Refer to FUEL INJECTORS N30, N31, N32, N33, CHECKING .-- Refer to IGNITION COIL N152, CHECKING .	Emission threshold misfire rate (MR) > 2.5%. Catalyst damage misfire rate (MR) 1.3 - 50%	Time from engine start - < 5 sec..Engine speed - <Governed engine RPM Engine torque- >0 Load change -<8ms /ignition	1000 Rev. 200 Rev.	Continous 2 DCY Immed.
P0304	Cylinder 4 Misfire Detected	-- Check the Spark plugs.-- Check the intake system for leaks.-- Refer to FUEL PRESSURE, CHECKING .-- Refer to FUEL INJECTORS N30, N31, N32, N33, CHECKING .-- Refer to IGNITION COIL N152, CHECKING .	Emission threshold misfire rate (MR) > 2.5%. Catalyst damage misfire rate (MR) 1.3 - 50%	Time from engine start - < 5 sec Engine speed - <Governed engine RPM Engine torque- >0 Load change -<8ms /ignition	1000 Rev. 200 Rev.	Continous 2 DCY Immed.
P0321	Ignition/Distributor Engine Speed Input Circuit Range/Performance	-- Refer to ENGINE SPEED SENSOR G28, CHECKING .	Counting teeth /+/- 1 tooth actual numbers of teeth	---	0.5 Sec	Continuous 2 DCY
P0322	Ignition/Distributor Engine Speed Input Circuit No Signal	-- Refer to ENGINE SPEED SENSOR G28, CHECKING .	No signal	---	0.5 Sec	Continuous 2 DCY
P0341	Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or single sensor)	-- Refer to CAMSHAFT POSITION SENSOR G40, CHECKING .	Comparison to engine speed sensor - No signal during 3 crankshaft signals	---	0.5 Sec	Continuous 2 DCY

Additional exhaust regulation

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illumination
P0422	Main Catalyst Efficiency Below Threshold (Bank 1)	-- Refer to HEATED OXYGEN SENSOR G39, CHECKING .-- Refer to OXYGEN SENSOR HEATER AFTER CATALYTIC CONVERTER G108, CHECKING .-- Refer to THREE WAY CATALYTIC CONVERTER, CHECKING .	Rear/Front = AR Ratio >0.8	Catalyst temp. - >666° F Lambda control - Closed loop Engine load 1.0-4.2 ms Engine speed -1480-3240 RPM EVAP purge flow -<25%	200 - 400 Sec Once/DCY	2 DCY
P0440	Evaporative Emission System	-- Refer to EVAP SYSTEM, CHECKING FOR LEAKS .-- Refer to EVAP CANISTER PURGE REGULATOR VALVE N80, CHECKING .-- Refer to LEAK DETECTION PUMP V144, CHECKING .	Lambda integrator deviation and reduction of bypass airflow +7% of lambda deviation and -8% of bypass airflow reduction	Engine RPM - Idle Lambda control - Closed loop Vehicle speed - 0 mph Delta temp. for engine restart > 9.75° F	25 Sec Once/DCY	2 DCY
P0442	Evaporative Emission System Leak Detected (Small Leak)	-- Refer to EVAP SYSTEM, CHECKING FOR LEAKS .-- Refer to EVAP CANISTER PURGE REGULATOR VALVE N80, CHECKING .-- Refer to LEAK DETECTION PUMP V144, CHECKING .	Pressure drop within predetermined time < 5.8 sec. (Smallest leak) <1.60 sec. (Small leak)	Purge Valve - Closed LDP - Activated Ambient temp. ->41°F Altitude - < 8530 ft Deep down hill driving time - (TL <1.9ms) and notΔ vehicle speed ≥ 0mph Restart temp. difference>94°F Time after engine start -5 - 650 sec.5-1000 sec. (Small leak) Engine load - TL<6.0ms IAT - <203° F Engine temp. - <212°F <210°F (Small leak) Throttle angle/RPM -720 RPM and <17° to 3000 RPM and <34° Vehicle speed - 9.3-93.2 mph 9.3 mph (Small leak) Vehicle acceleration ->-1.1m/s2 and <1.1 m/s2 Engine load change -TL>-3.0 ms/0.1 sec. and TL<3.0 ms/0.1 sec.	140 Sec	Once/DCY 2 DCY
P0455	Evaporative Emission System Leak Detected (Large leak)	-- Refer to EVAP SYSTEM, CHECKING FOR LEAKS .-- Refer to EVAP CANISTER PURGE REGULATOR VALVE N80, CHECKING .-- Refer to LEAK DETECTION PUMP V144, CHECKING .	Pressure drop within predetermined time < 0.96 sec.	Purge Valve - Closed LDP - Activated Ambient temp. ->41°F Altitude - < 8530 ft Deep down hill driving time - (TL <1.9ms) and not Δ vehicle speed ≥ 0 mph Restart temp. difference>94°F Time after engine start -5 - 1000 sec. Engine load - TL<6.0ms IAT - <203° F Engine temp. - <210°F Throttle angle/RPM -720 RPM and <17° to 3000 RPM and <34° Vehicle speed for diagnostic enable - > 15.5 MPH	120 Sec	Once/DCY 2 DCY

Speed and idle control

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illumination
P0501	Vehicle Speed Sensor A Range/Performance	-- Refer to SPEED SIGNAL, CHECKING .	Comparison with engine speed and load Speed <1.94 mph	Coasting	0.5 Sec	Continuous 2 DCY
P0506	Idle Air Control System RPM Lower Than Expected	-- Refer to THROTTLE VALVE CONTROL MODULE J338, CHECKING .	Idle correction deviation<-200 RPM	Idle	5 Sec	Continuous 2 DCY
P0507	Idle Air Control System RPM Higher Than Expected	-- Refer to THROTTLE VALVE CONTROL MODULE J338, CHECKING .	Idle correction deviation>100 RPM	Idle	5 Sec	Continuous 2 DCY
P0510	Closed Throttle Position Switch	-- Refer to THROTTLE VALVE CONTROL MODULE J338, CHECKING .	Signal high Signal low Throttle potentiometer voltage > Idle and idle switch closed. During coasting if idle switch stuck open	Throttle potentiometer - Engine is running at idle/coasting condition Throttle actuator potentiometer - Coasting condition /under load condition switch has to be open	5 Sec	Continuous 2 DCY

Control module and output signals

DTC	Error Message	Diagostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illumination
P0605	Internal Control Module Read Only Memory (ROM) Error	-- Refer to MOTRONIC ENGINE CONTROL MODULE J220, REPLACING .	Calculate checksum and comparison with stored value Comparison with stored values	-	0.5 Sec	Continuous 2 DCY

01M Transmission

DTC	Error Message	Diagnostic Procedure	Malfunction Criteria and Threshold Value	Secondary Parameters with Enable Conditions	Monitoring Time Length	Frequency of checks, MIL Illumination
P0715	Input/Turbine Speed Sensor "A" Circuit	-- Refer to TRANSMISSION VEHICLE SPEED SENSOR G38, CHECKING	Comparison with reference voltage Turbine speed = 0 and U <2.2 V	---	0.3ms	2 DCY
P0722	Output Speed Sensor Circuit No Signal	-- Refer to TRANSMISSION VEHICLE SPEED SENSOR G38, CHECKING	Comparison with reference voltage VSS = 0 mph and U <2.2 V	---	0.3ms	2 DCY
P0725	Engine speed input Circuit	Refer to CAN-BUS TERMINAL RESISTANCE, TRANSMISSION CONTROL MODULE J217 TO ENGINE CONTROL MODULE J220, CHECKING	Comparison RPM and VSS Signal RPM>450; VSS must be >0 mph	CAN bus ok.	2 Revs.	Continuous 2 DCY
P0730	Incorrect Gear Ratio	Refer to CAN-BUS TERMINAL RESISTANCE, TRANSMISSION CONTROL MODULE J217 TO ENGINE CONTROL MODULE J220, CHECKING	Comparison of indicated slip and actual slip with stored values Slip differences > 300 RPM for more than 2 Sec.	---	1 Sec	2 DCY
P0740	Torque Converter Clutch Circuit/Open	Refer to CAN-BUS TERMINAL RESISTANCE, TRANSMISSION CONTROL MODULE J217 TO ENGINE CONTROL MODULE J220, CHECKING	Comparison slip with stored values Slip differences > 200 RPM	Integrate input RPM Input RPM has to be = > 1500 RPM for integration	30 Sec	2 DCY
P0748	Pressure Control Solenoid "A" Electrical	Refer to SOLENOID VALVES IN VALVE BODY, CHECKING	Current control and error level check \| < 1.6 V	---	0.3 Sec	2 DCY
P0753	Shift Solenoid "A" Electrical	Refer to SOLENOID VALVES IN VALVE BODY, CHECKING	Comparison of stored value with active level Switch off and U <2.1 V; Switch on and U>1.6 V	---	0.3 Sec	2 DCY
P0758	Shift Solenoid "B" Electrical	Refer to SOLENOID VALVES IN VALVE BODY, CHECKING	Comparison of stored value with active level Switch off and U <2.1 V; Switch on and U>1.6 V	---	0.3 Sec	2 DCY
P0763	Shift Solenoid "C" Electrical	Refer to SOLENOID VALVES IN VALVE BODY, CHECKING	Comparison of stored value with active level Switch off and U <2.1 V; Switch on and U>1.6 V	---	0.3 Sec	2 DCY
P0768	Shift Solenoid "D" Electrical	Refer to SOLENOID VALVES IN VALVE BODY, CHECKING	Comparison of stored value with active level Switch off and U <8.0 V	---	0.3 Sec	2 DCY
P0773	Shift Solenoid "E" Electrical	Refer to SOLENOID VALVES IN VALVE BODY, CHECKING	Comparison of stored value with active level Switch off and U <2.1 V; Switch on and U>1.6 V	---	0.3 Sec	2 DCY