Diagnostic Trouble Codes (DTC) Index

DIAGNOSTIC TROUBLE CODES (DTC) INDEX

SAE Code	VAG Code	Code Description	Corrective action
P0016	16400	Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor A	2 DCY
P0030	16414	HO2S Heater Control Circuit Bank 1 Sensor 1	2 DCY
P0031	16415	HO2S Heater Control Circuit Low Bank 1 Sensor 1	2 DCY
P0032	16416	HO2S Heater Control Circuit High Bank 1 Sensor 1	2 DCY
P0036	16420	HO2S Heater Control Circuit Bank 1 Sensor 2	2 DCY
P0037	16421	HO2S Heater Control Circuit Low Bank 1 Sensor 2	2 DCY
P0038	16422	HO2S Heater Control Circuit High Bank 1 Sensor 2	2 DCY
P0070	-	Ambient Air Temperature Sensor Circuit	2 DCY
P0071	-	Ambient Air Temperature Sensor Range / Performance	2 DCY
P0072	-	Ambient Air Temperature Sensor Circuit Low	2 DCY
P0106	16490	Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance	Multiple 2 DCY
P0107	16491	Manifold Absolute Pressure / Barometric Pressure Circuit Low	Continuous 2 DCY
P0108	16492	Manifold Absolute Pressure / Barometric Pressure Circuit High	Continuous 2 DCY
P0111	16495	Intake Air Temperature Sensor 1 Circuit Range/Performance	2 DCY
P0112	16496	Intake Air Temperature Sensor 1 Circuit Low Input	2 DCY
P0113	16497	Intake Air Temperature Sensor 1 Circuit High Input	2 DCY
P0116	16500	Engine Coolant Temperature Sensor 1 Circuit Range/Performance	once / DCY 2 DCY
P0117	16501	Engine Coolant Temperature Sensor 1 Circuit Low Input	2 DCY
P0118	16502	Engine Coolant Temperature Sensor 1 Circuit High Input	2 DCY
P0121	16505	Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance	Multiple 2 DCY
P0122	16506	Throttle/Pedal Position Sensor/Switch "A" Circuit Low	Multiple 2 DCY
P0123	16507	Throttle/Pedal Position Sensor/Switch "A" Circuit High	Multiple 2 DCY
P0130	16514	O2 Sensor Circuit Bank 1 Sensor 1	2 DCY
P0131	16515	HO2 Sensor Circuit Low Voltage Bank 1 Sensor 1	2 DCY
P0132	16516	O2 Sensor Circuit High Voltage Bank 1 Sensor 1	2 DCY
P0133	16517	O2 Sensor Circuit Slow Response Bank 1 Sensor 1	2 DCY
P0135	16519	O2 Sensor Heater Circuit Bank 1 Sensor 1	2 DCY
P0137	16521	O2 Sensor Circuit Low Voltage Bank 1 Sensor 2	multiple 2 DCY
P0138	16522	O2 Sensor Circuit High Voltage Bank 1 Sensor 2	2 DCY
P013A	-	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2	Multiple 1 DCY
P0140	16524	O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2	2 DCY
P0141	16525	O2 Sensor Heater Circuit Bank 1 Sensor 2	2 DCY
P0169	16553	Incorrect Fuel Composition	continuous 2 DCY
P0201	16585	Injector Circuit Open Cylinder 1	2 DCY
P0202	16586	Injector Circuit Open Cylinder 2	2 DCY
P0203	16587	Injector Circuit Open Cylinder 3	2 DCY
P0204	16588	Injector Circuit Open Cylinder 4	2 DCY
P0221	16605	Throttle/Pedal Position Sensor/Switch "B" Circuit Range/Performance	multiple 2 DCY
P0222	16606	Throttle/Pedal Position Sensor/Switch "B" Circuit Low	multiple 2 DCY
P0223	16607	Throttle/Pedal Position Sensor/Switch "B" Circuit High	multiple 2 DCY
P0261	16645	Cylinder 1 Injector Circuit Low	2 DCY Actual TPS 2 calculated value > TPS 1 calculated value
P0262	16646	Cylinder 1 Injector Circuit High	2 DCY
P0264	16648	Cylinder 2 Injector Circuit Low	2 DCY Actual TPS 2 calculated value > TPS 1 calculated value
P0265	16649	Cylinder 2 Injector Circuit High	2 DCY
P0267	16651	Cylinder 3 Injector Circuit Low	2 DCY Actual TPS 2 calculated value > TPS 1 calculated value
P0268	16652	Cylinder 3 Injector Circuit High	2 DCY
P0270	16654	Cylinder 4 Injector Circuit Low	2 DCY Actual TPS 2 calculated value > TPS 1 calculated value
P0271	16655	Cylinder 4 Injector Circuit High	2 DCY
P0300	16684	Random/Multiple Cylinder Misfire Detected	2 DCY
P0301	16685	Cylinder 1 Misfire Detected	Immediate
P0302	16686	Cylinder 2 Misfire Detected	Immediate
P0303	16687	Cylinder 3 Misfire Detected	Immediate
P0304	16688	Cylinder 4 Misfire Detected	Immediate
P0321	16705	Engine Speed Input Circuit Range/Performance	multiple 2 DCY
P0322	16706	Engine Speed Input Circuit No Signal	multiple 2 DCY
P0324	16708	Knock Control System Error	multiple 2 DCY
P0327	16711	Knock Sensor Circuit Low	continuous 2 DCY
P0328	16712	Knock Sensor Circuit High Input	continuous 2 DCY
P0341	16725	Camshaft Position Sensor "A" Circuit Range/Performance	2 DCY
P0342	16726	Camshaft Position Sensor Circuit Low Input	2 DCY
P0343	16727	Camshaft Position Sensor Circuit High Input	2 DCY
P0351	16735	Ignition Coil Primary/Secondary Circuit	2 DCY
P0353	16737	Ignition Coil Primary/Secondary Circuit	2 DCY
P0420	16804	Catalyst System Efficiency Below Threshold	Once/DCY 2 DCY
P043E	-	EVAP System Leak Detection Reference Orifice Low Flow	2 DCY
P043F	-	EVAP System Leak Detection Reference Orifice High Flow	Once/DCY 2 DCY
P0441	16825	Evaporative Emission System Incorrect Purge Flow	Once/ DCY 2 DCY
P0442	16826	Evaporative Emission System Leak Detected (Small Leak)	2 DCY
P0444	16828	Evaporative Emission System Purge Control Valve Circuit Open	2 DCY
P0447	-	Evaporative Emission System Vent Control Circuit Open	2 DCY
P0448	-	Evaporative Emission System Vent Control Circuit Shorted	2 DCY
P0456	16840	Evaporative Emission System Leak Detected (very small leak)	Once/ DCY 2 DCY
P0458	16842	Evaporative Emission System Purge Control Valve Circuit Low	2 DCY
P0459	16843	Evaporative Emission System Purge Control Valve Circuit High	2 DCY
P0496	-	Evaporative Emission System High Purge Flow	Once/ DCY 2 DCY
P050A	-	Cold Start Idle Air Control System Performance	2 DCY
P050B	-	Cold Start Ignition Timing Performance	2 DCY
P0501	16885	Vehicle Speed Sensor Range / Performance	2 DCY
P0506	16890	Idle Air Control System RPM Lower Than Expected	2 DCY
P0507	16891	Idle Air Control System RPM Higher Than Expected	2 DCY
P0606	16990	ECM Processor Fault	2 DCY Continuous
P0627	17011	Fuel Pump Control Circuit Open	2 DCY
P0629	17013	Fuel Pump Control Circuit High	2 DCY
P0638	17022	Throttle Actuator Control Range/Performance Bank 1	2 DCY
P0641	17025	Sensor Reference Voltage A Circuit Open	2 DCY
P0651	17035	Sensor Reference Voltage B Circuit Open	2 DCY
P0697	17081	Sensor Reference Voltage C Circuit Open	2 DCY
P150A	-	Engine Off Timer Performance	once / DCY 2 DCY
P2096	18528	Post Catalyst Fuel Trim System Too Lean Bank 1	2 DCY
P2097	18529	Post Catalyst Fuel Trim System Too Rich Bank 1	2 DCY
P2101	18533	Throttle Actuator "A" Control Motor Circuit Range/Performance	2 DCY
P2106	18538	Throttle Actuator Control System - Forced Limited Power	2 DCY
P2122	18554	Throttle/Pedal Position Sensor/Switch "D" Circuit Low	2 DCY
P2123	18555	Throttle/Pedal Position Sensor/Switch "D" Circuit High	2 DCY
P2127	18559	Throttle/Pedal Position Sensor/Switch "E" Circuit Low	2 DCY
P2128	18560	Throttle/Pedal Position Sensor/Switch "E" Circuit Hight	2 DCY
P2138	18570	Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation	2 DCY
P2177	18609	System too lean off idle, Bank 1	2 DCY
P2178	18610	System too rich off idle, Bank 1	2 DCY
P2181	18613	Cooling System Performance	2 DCY
P2184	18616	Engine Coolant Temperature Sensor 2 Circuit Low	continuous 2 DCY
P2185	18617	Engine Coolant Temperature Sensor 2 Circuit High	continuous 2 DCY
P2187	18619	System too lean at idle Bank 1	continuous 2 DCY
P2188	18620	System too rich at idle Bank 1	continuous 2 DCY
P2195	18627	O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1	2 DCY
P2196	18628	O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1	2 DCY
P2237	18669	O2 Sensor Positive Current Control Circuit/Open Bank 1 Sensor 1	2 DCY
P2243	18675	O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1	2 DCY
P2251	18683	O2 Sensor Negative Current Control Circuit/Open Bank 1 Sensor 1	2 DCY
P2270	18702	O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2	2 DCY
P2271	18703	O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2	2 DCY
P2279	18711	Intake Air System Leak	2 DCY
P2300	18732	Ignition Coil A Primary Control Circuit Low	2 DCY
P2301	18733	Ignition Coil A Primary Control Circuit High	2 DCY
P2306	18738	Ignition Coil C Primary Control Circuit Low	2 DCY
P2307	18739	Ignition Coil C Primary Control Circuit High	2 DCY
P240A	-	Evaporative Emission System Leak Detection Pump Heater Control Circuit Open	2 DCY
P240B	-	Evaporative Emission System Leak Detection Pump Heater Control Circuit Low	2 DCY
P240C	-	Evaporative Emission System Leak Detection Pump Heater Control Circuit High	2 DCY
P2400	18832	Evaporative Emission System Leak Detection Pump Control Circuit Open	2 DCY
P2401	18833	Evaporative Emission System Leak Detection Pump Control Circuit Low	2 DCY
P2402	18834	Evaporative Emission System Leak Detection Pump Control Circuit High	2 DCY
P2407	-	Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent/Erratic	Once/DCY 2 DCY
P2414	18846	O2 Sensor Exhaust Sample Error Bank 1 Sensor 1	2 DCY
P2450	-	Evaporative Emission System Switching Valve Performance/Stuck Open	Once/DCY 2 DCY
P2626	19058	O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1	2 DCY
P3081	19537	Engine Temperature Too Low	2 DCY
U0001	28673	High Speed CAN Communication Bus	2 DCY
U0002	-	High Speed CAN Communication Bus Performance	2 DCY
U0101	28773	Lost Communication with TCM	2 DCY
U0121	28793	Lost Communication With Anti-Lock Brake System (ABS) Control Module	2 DCY
U0146	28818	Lost Communication With Gateway	2 DCY
U0155	28827	Lost Communication With Instrument Panel Cluster (IPC) Control Module	2 DCY
U0302	28974	Software Incompatibility with Transmission Control Module	2 DCY
U0402	29074	Invalid Data Received From Transmission Control Module	2 DCY
U0415	29087	CAN Communication With ABS Error	2 DCY
U0423	-	Invalid Data Received From Instrument Panel Cluster Control Module	2 DCY
P0016	16400	Camshaft Position Sensor Intake angular offset check	-- Check the Engine Speed Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING -- Check the Camshaft Position (CMP) Sensor -G40-. Refer to Camshaft Position Sensor -G40-, CHECKING .
P0030	16414	Oxygen Sensor Heater Front Open Circuit	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
P0031	16415	Oxygen Sensor Heater Front Short to Ground	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
P0032	16416	Oxygen Sensor Heater Front Short To Battery Plus	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
P0036	16420	Oxygen Sensors Heater rear open circuit	-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING
P0037	16421	Oxygen Sensors Heater rear short to ground	-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING
P0038	16422	Oxygen Sensors Heater rear short to battery plus	-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING
P0070	-	COM: Ambient Air Temperature (AAT) Sensor communication with AAT Sensor	-- Refer to the appropriate repair information
P0071	-	Ambient Air Temperature cross check	-- Refer to the appropriate repair information
P0072	-	COM: Ambient Air Temperature (AAT) Sensor communication with AAT Sensor	-- Refer to the appropriate repair information
P0106	16490	Manifold Pressure Sensor rationality check low	-- Check the MAP / IAT sensor -G71/G42-. Refer to Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71-, CHECKING . If there is no fault found with the Charge Air Pressure sensor or wiring, check for any related TSB's. The Altitude sensor is located within the ECM and will require replacement of the ECM if the reading is more than 10% out of range. Refer to the repair information for ECM replacement.
P0107	16491	Manifold Pressure Sensor short to ground	-- Check the MAP / IAT sensor -G71/G42-. Refer to Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71-, CHECKING .
P0108	16492	Manifold Absolute Pressure / Barometric Pressure Circuit High	-- Check the MAP / IAT sensor -G71/G42-. Refer to Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71-, CHECKING .
P0111	16495	Intake Air Temperature cross check	-- Check the MAP / IAT sensor -G71/G42-. Refer to Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71-, CHECKING .
P0112	16496	Intake Air Temperature Sensor short to ground	-- Check the MAP / IAT sensor -G71/G42-. Refer to Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71-, CHECKING .
P0113	16497	Intake Air Temperature Sensor short to battery / open circuit	-- Check the MAP / IAT sensor -G71/G42-. Refer to Intake Air Temperature Sensor -G42- / Manifold Absolute Pressure Sensor -G71-, CHECKING .
P0116	16500	Engine Coolant Temperature Sensor stuck high / low - no change on signal	-- Check the Engine Coolant Temperature (ECT) Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0117	16501	Engine Coolant Temperature Sensor short to ground	-- Check the Engine Coolant Temperature (ECT) Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0118	16502	Engine Coolant Temperature Sensor short to battery / open circuit	-- Check the Engine Coolant Temperature (ECT) Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0121	16505	Throttle Position Sensor 1 rationality check	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P0122	16506	Throttle Position Sensor 1 out of range low	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P0123	16507	Throttle Position Sensor 1 out of range high	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P0130	16514	Oxygen Sensors Front Out of Range	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
P0131	16515	Oxygen Sensors Front Signal Range Check	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
P0132	16516	Oxygen Sensors Front Signal Range Check	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
	-	Oxygen Sensors front response rate monitoring, area ratio and gradient ratio	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
	-	Oxygen Sensors Heater front out of range high/ rationality check	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
P0137	16521	Oxygen Sensors rear O2S signal check - circuit continuity	-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P013	-	Oxygen Sensors rear O2S signal check out of range high (short to battery plus)	-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
	-	Oxygen Sensors Rear Check of Differential Transient Time at Fuel Cut-Off	-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P0140	16524	Oxygen sensor rear O2S signal check- circuit continuity	-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
	-	Oxygen Sensors Heater rear out of range	-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING .
P0169	16553	ECM: Electronic Throttle Control module function monitoring: injection time	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING Check for contaminated / aged fuel or possible high concentration of alcohol in fuel (above 15%).
P0201	16585	Injection Valve Open Circuit Cylinder 1	-- Check the Fuel Injector -N30-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0202	16586	Injection Valve Open Circuit Cylinder 2	-- Check the Fuel Injector -N31-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0203	16587	Injection Valve Open Circuit Cylinder 3	-- Check the Fuel Injector -N32-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0204	16588	Injection Valve Open Circuit Cylinder 4	-- Check the Fuel Injector. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0221	16605	Throttle/Pedal Position Sensor/Switch "B" Circuit Range/Performance	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P0222	16606	Throttle/Pedal Position Sensor/Switch "B" Circuit Low	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P0223	16607	Throttle/Pedal Position Sensor/Switch "B" Circuit High	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P0261	16645	Injection Valves short to ground Cylinder 1	-- Check the Fuel Injector -N30-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0262	16646	Injection Valves short to battery plus Cylinder 1	-- Check the Fuel Injector -N30-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0264	16648	Injection Valves short to ground Cylinder 2	-- Check the Fuel Injector -N31-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0265	16649	Injection Valves short to battery plus Cylinder 2	-- Check the Fuel Injector -N31-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0267	16651	Injection Valves short to ground Cylinder 3	-- Check the Fuel Injector -N32-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0268	16652	Injection Valves short to battery plus Cylinder 3	-- Check the Fuel Injector -N32-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0270	16654	Injection Valves short to ground Cylinder 4	-- Check the Fuel Injector -N33-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0271	16655	Injection Valves short to battery plus Cylinder 4	-- Check the Fuel Injector -N33-. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .
P0300	16684	Misfire Crankshaft Speed Fluctuation (single or multiple)	-- Check the Spark plugs.-- Check the intake system for leaks.-- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING -- Check the Ignition Coil with Power Output Stage -N152-. Refer to Ignition Coil -N152-, CHECKING .
	-	Misfire Crankshaft Speed Fluctuation (single or multiple)	-- Check the Spark plugs.-- Check the intake system for leaks.-- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING -- Check the Ignition Coil with Power Output Stage -N152-. Refer to Ignition Coil -N152-, CHECKING .
	-	Misfire Crankshaft Speed Fluctuation (single or multiple)	-- Check the Spark plugs.-- Check the intake system for leaks.-- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING -- Check the Ignition Coil with Power Output Stage -N152-. Refer to Ignition Coil -N152-, CHECKING .
	-	Misfire Crankshaft Speed Fluctuation (single or multiple)	-- Check the Spark plugs.-- Check the intake system for leaks.-- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING -- Check the Ignition Coil with Power Output Stage -N152-. Refer to Ignition Coil -N152-, CHECKING .
	-	Misfire Crankshaft Speed Fluctuation (single or multiple)	-- Check the Spark plugs.-- Check the intake system for leaks.-- Check Fuel Injectors -N30, N31, N32, N33, -. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING -- Check the Ignition Coil with Power Output Stage -N152-. Refer to Ignition Coil -N152-, CHECKING .
P0321	16705	Crankshaft Position Sensor rationality check	-- Check the Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .
P0322	16706	Crankshaft Position Sensor signal activity check	-- Check the Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .
P0324	16708	Knock Control System Error	-- Check theKnock Sensor -G61-. Refer to Knock Sensor 1 -G61-, CHECKING .
P0327	16711	Knock Sensor Circuit Low	-- Check theKnock Sensor -G61-. Refer to Knock Sensor 1 -G61-, CHECKING .
P0328	16712	Knock Sensor Circuit High Input	-- Check theKnock Sensor -G61-. Refer to Knock Sensor 1 -G61-, CHECKING .
P0341	16725	Phase Sensor 1 rationality check	-- Check the Camshaft Position (CMP) Sensor -G40-. Refer to Camshaft Position Sensor -G40-, CHECKING .
P0342	16726	Phase Sensor 1 rationality check	-- Check the Camshaft Position (CMP) Sensor -G40-. Refer to Camshaft Position Sensor -G40-, CHECKING .
P0343	16727	Phase Sensor 1 rationality check	-- Check the Camshaft Position (CMP) Sensor -G40-. Refer to Camshaft Position Sensor -G40-, CHECKING .
P0351	16735	Ignition Coils open circuit	-- Check the Ignition Coil with Power Output Stage -N152-. Refer to Ignition Coil -N152-, CHECKING .
P0353	16737	Ignition Coils open circuit	-- Check the Ignition Coil with Power Output Stage -N152-. Refer to Ignition Coil -N152-, CHECKING .
	-	Catalyst System measure of OSC compared to OSC of borderline catalyst	Check the Long Term Fuel Trim for out of range reading. If Fuel Trim is out of range, correct any related codes (misfire, fuel trim faults, MAP, BARO, HO2 or ECT) before replacement of catalyst, or damage to the replacement catalyst will occur.-- Check the Three Way Catalytic Converter (TWC). Refer to THREE WAY CATALYTIC CONVERTER, TWC CHECKING .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING
P043E	-	EVAP Leak Detection Pump out of range high	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .-- Check the EVAP System, for Leaks. Refer to EVAP SYSTEM, CHECKING FOR LEAKS -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P043F	-	EVAP Leak Detection Pump out of range Low	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .-- Check the EVAP System, for Leaks. Refer to EVAP SYSTEM, CHECKING FOR LEAKS -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
	-	EVAP Purge Valve functional check: stuck close	Inspect the EVAP system hoses for kinking or damage. If EVAP hoses are OK:-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
	-	EVAP System Small Leak pressure check	-- Check the EVAP System, for Leaks. Refer to EVAP SYSTEM, CHECKING FOR LEAKS -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P0444	16828	EVAP Purge Valve open circuit	-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P0447	-	EVAP Leak Detection Pump Valve open circuit	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P0448	-	EVAP Leak Detection Pump Valve short to battery plus OR short to ground	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
	-	EVAP System Very Small Leak rationality check	-- Check the EVAP System, for Leaks. Refer to EVAP SYSTEM, CHECKING FOR LEAKS -- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P0458	16842	EVAP Purge Valve short to ground	-- Check the Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P0459	16843	EVAP Purge Valve short to Battery Plus	-- Check the Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
	-	EVAP Purge Valve functional check: stuck open	Inspect the EVAP system hoses for kinking or damage. If EVAP hoses are OK:-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P050A	-	Cold Start Monitoring Idle Controller out of range low	Check for carbon buildup from reversion behind the throttle plate. If buildup is present, clean throttle body with suitable cleaner. If no deposits are present in the throttle body: -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P050B	-	Cold Start Monitoring Ignition Control ignition timing monitor	If an Engine Speed sensor code is also set, diagnose that DTC first. -- Check the Ignition Coil with Power Output Stage -N152-. Refer to Ignition Coil -N152-, CHECKING .
P0501	16885	Vehicle Speed Sensor plausibility check	-- Check vehicle speed signal. Refer to VEHICLE SPEED SIGNAL, CHECKING .
P0506	16890	Idle Controller out of range low	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P0507	16891	Idle Controller out of range high	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P0606	16990	Barometric Pressure Sensor Plausibility Check	-- Replace the Engine Control Module (ECM) -J623-. Refer to the repair information.
P0627	17011	Fuel Pump Relay Open Circuit / Short to Ground	-- Check the Fuel Pump power supply. Refer to Fuel Pump Relay -J17-, Fuel Delivery Unit -GX1- CHECKING .
P0629	17013	Fuel Pump Relay Short to Battery Plus	-- Check the Fuel Pump power supply. Refer to Fuel Pump Relay -J17-, Fuel Delivery Unit -GX1- CHECKING .
P0638	17022	Throttle Actuator Basic Settings rationality check close movement	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P0641	17025	ECM: Sensor Reference Circuit A signal range check	-- If any sensor specific codes are present, perform the diagnostic for those codes first. If no sensor codes are set, replace theEngine Control Module (ECM) -J623-. Refer to the repair information.
P0651	17035	ECM: Sensor Reference Circuit B signal range check	-- If any sensor specific codes are present, perform the diagnostic for those codes first. If no sensor codes are set, replace the Engine Control Module (ECM) -J623-. Refer to the repair information.
P0697	17081	ECM: Sensor Reference Circuit C signal range check	-- If any sensor specific codes are present, perform the diagnostic for those codes first. If no sensor codes are set, replace the Engine Control Module (ECM) -J623-. Refer to the repair information.
P150A	-	Engine Off Timer Performance	Check for related TSB's. If none apply; check the power and ground inputs to the ECM BEFORE replacing ECM. Lack of ignition off power supply will cause the timer to stop. Refer to the Wiring Diagrams for power and ground locations to the ECM. If ECM power and grounds are present;-- Replace the Engine Control Module (ECM) -J623-. Refer to the repair information.
P169A	-	ECM: Transport Mode vehicle in transport mode	-- Refer to appropriate repair information to turn off Transport mode.
P1609	18017	Airbag Safety measures due to crash with airbag activation
P2096	18528	Fuel System Out of range Low	Check for air leaks in the exhaust system between the front O2S and the catalytic converter. If the exhaust system is sealed:-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING
P2097	18529	Fuel System Out of range High	If P0420 is also set, refer to that diagnostic first. -- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING
P2101	18533	Throttle Actuator signal range check	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P2106	18538	Throttle Actuator short to battery plus/ short to ground	-- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338 -, CHECKING .
P2122	18554	Accelerator Pedal Position Sensor 1 out of range low	-- Check the Accelerator Pedal Position Sensor 1 -G79-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2123	18555	Accelerator Pedal Position Sensor 1 out of range high	-- Check the Accelerator Pedal Position Sensor 1 -G79-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2127	18559	Accelerator Pedal Position Sensor 2 out of range low	-- Check the Accelerator Pedal Position Sensor 1 -G79-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2128	18560	Accelerator Pedal Position Sensor 2 out of range high	-- Check the Accelerator Pedal Position Sensor 1 -G79-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2138	18570	Accelerator Pedal Position Sensor 1 and 2 rationality check	-- Check the Accelerator Pedal Position Sensor 1 -G79-. Refer to Accelerator Pedal Module - GX2-, CHECKING .
P2177	18609	System too lean off idle, Bank 1	-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P2178	18610	System too rich off idle, Bank 1	-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
P2181	18613	Engine Cooling System cooling system performance not in the expected range	-- Check Engine Coolant Temperature (ECT) Sensor --. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING -- Check the Coolant Pump -V50- Refer to the repair information.-- Check the Coolant Thermostat. Refer to the repair information.
P2184	18616	Engine Coolant Temperature Sensor @ Radiator Outlet short to ground	-- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2185	18617	Engine Coolant Temperature Sensor @ Radiator Outlet short to battery / open circuit	-- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2187	18619	Fuel System Too Lean at Idle	-- Check the intake system for vacuum leaks.-- Check the vacuum lines for leaks-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P2188	18620	System Too Rich at Idle	-- Check the Fuel Injectors -N30, N31, N32, N33, -. Refer to Cylinder 1 - 4 Fuel Injectors --, CHECKING .-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .-- Check the Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-. Refer to EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING .
	-	Oxygen Sensors front out of range high	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
	-	Oxygen Sensors front out of range low	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
P2237	18669	Oxygen Sensors Front Open Circuit Pump Current	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
P2243	18675	Oxygen Sensors Front Open Circuit Nernst Voltage	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
P2251	18683	Oxygen Sensors Front Open Circuit Virtual Mass	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING
	-	Oxygen Sensors Rear Stuck Lean	-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING
	-	Oxygen Sensors Rear Stuck Rich	-- Check the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to Oxygen Sensor 1 After Catalytic Converter - GX7-, CHECKING
P2279	18711	Leak to Intake Manifold adaptation value monitoring	Check for air leaks from intake manifold or vacuum ports, oil fill cap not seated or oil dipstick not seated in tube. Also any engine gaskets that can cause additional air to enter the crankcase can set this fault since the PCV system is not metered. If a vacuum leak or crankcase seal is at cause, the idle may be rough or unstable.
P2300	18732	Ignition Coils short to ground	-- Check the Ignition Coil -N152-. Refer to Ignition Coil -N152-, CHECKING .
P2301	18733	Ignition Coils short to battery plus	-- Check the Ignition Coil -N152-. Refer to Ignition Coil -N152-, CHECKING .
P2306	18738	Ignition Coils short to ground	-- Check the Ignition Coil with Power Output Stage -N291-. Refer to Ignition Coil -N152-, CHECKING .
P2307	18739	Ignition Coils short to battery plus	-- Check the Ignition Coil with Power Output Stage -N291-. Refer to Ignition Coil -N152-, CHECKING .
P240A	-	Evap Leak Detection Pump Heater Circuit Open	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P240B	-	Evap Leak Detection Pump Heater Control Short to Ground	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P240C	-	Evap Leak Detection Pump Heater Control Short to Battery Plus	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P2400	18832	Evap Leak Detection Pump Motor Circuit Open	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P2401	18833	Evap Leak Detection Pump Motor Short to Ground	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P2402	18834	Evap Leak Detection Pump Motor Short to Battery Plus	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P2407	-	EVAP Leak Detection Pump Signal Check	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P2414	18846	Oxygen Sensors front signal range check	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P2450	-	EVAP Leak Detection Pump Signal Check	-- Check the Leak Detection Pump (LDP) -V144-. Refer to Leak Detection Pump - V144-, CHECKING .
P2626	19058	Oxygen Sensor Front Open Circuit Adjustment Voltage	-- Check the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to Oxygen Sensor 1 Before Catalytic Converter -GX10-, CHECKING .
P3081	19537	Engine Coolant Temperature Sensor rationality check	Check for a stuck open thermostat. Refer to the repair information. If thermostat is OK: -- Check the Engine Coolant Temperature (ECT) Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
U0001	28673	CAN: Powertrain BUS reading back sent message	-- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0002	-	COM: Powertrain Bus communication check	-- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0101	28773	COM: Transmission Control Module (TCM) communication with TCM	-- Check the CAN-Bus. Refer to CAN-BUS TERMINAL RESISTANCE, Transmission Control Module - J217- TO Engine Control Module - J623-, CHECKING .
U0121	28793	COM: Brake System Control Module (BSCM) communication with BSCM	Check to see if any other modules have set a loss of communication with the ABS module fault. If other modules can communicate with ABS and ECM cannot, the ECM may be at fault. If other modules have set an ABS communication error, refer to the service information for the ABS communication diagnosis.
U0146	28818	COM: Gateway communication with Gateway	-- Check the CAN-Bus terminal resistance. Refer to CAN-BUS TERMINAL RESISTANCE, CHECKING .
U0155	28827	COM: Instrument Panel Cluster (IPC) communication with IPC	Check the IPC power and ground inputs. Check the CAN Bus for an open or high resistance at the IPC connector. Refer to the wiring diagram.
U0302	28974	COM: Transmission Control Module (TCM) communication with TCM	Check for any applicable TSB's. If none pertain to this fault reflash ECM with correct software for application.
U0402	29074	COM: Transmission Control Module (TCM) communication with TCM	Check the CAN bus. Refer to CAN-BUS TERMINAL RESISTANCE, Transmission Control Module - J217- TO Engine Control Module - J623-, CHECKING
U0415	29087	Vehicle Speed Sensor out of range high	Refer to the repair information for ABS diagnosis.
U0423	-	COM: Ambient Air Temperature (AAT) Sensor communication with IPC	-- Replace the Instrument Panel Cluster. Refer to the appropriate repair information.