Diagnostic Trouble Code (DTC) table

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 1999 Volkswagen Jetta, 1999 Volkswagen Golf, 1999 Volkswagen Cabrio, 1998 Volkswagen Jetta, and 1998 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The DTC overview is listed according to SAE or VAG codes.
After repairing malfunctions, DTC memory must be erased (see ERASE DTC MEMORY (SCAN TOOL FUNCTION 05) ) and the repair verified via the appropriate display group. See READINESS CODE, CREATING .

DIAGNOSTIC TROUBLE CODE (P0102 TO P0118)

DTC		DTC text	Corrective action
SAE	VAG
P0102	16486	Mass or Volume Air Flow Circuit Low Input	Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR, CHECKING .
P0103	16487	Mass or Volume Air Flow Circuit High Input
P0112	16496	Intake Air Temperature Circuit Low Input	Check intake air temperature sensor. See INTAKE AIR TEMPERATURE (IAT) SENSOR, CHECKING .
P0113	16497	Intake Air Temperature Circuit High Input
P0116	16500	Engine Coolant Temperature Circuit Range/Performance	Check Engine Coolant Temperature (ECT) sensor. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR, CHECKING .
P0117	16501	Engine Coolant Temperature Circuit Low Input
P0118	16502	Engine Coolant Temperature Circuit High Input

DIAGNOSTIC TROUBLE CODE (P0120 TO P0135)

DTC		DTC text	Corrective action
SAE	VAG
P0120	16504	Throttle Position Sensor A Circuit Malfunction	Check throttle valve control module. See THROTTLE VALVE CONTROL MODULE, CHECKING Check MAF sensor. See MASS AIR FLOW (MAF) SENSOR, CHECKING .
P0121	16505	Throttle Position Sensor A Circuit Range/Performance Problem
P0122	16506	Throttle Position Sensor A Circuit Low Input
P0125	16509	Insufficient Coolant Temperature for Closed Loop Fuel Control	Check ECT sensor. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR, CHECKING . Check thermostat: See ENGINE - COOLING SYSTEM - 2.0 L 4-CYL. 2V - A .
P0131	16515	02 Sensor Circuit Low Voltage (Bank 1, Sensor 1)	Check Heated Oxygen Sensor (HO2S) and Oxygen Sensor (O2S) control (before three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) . Check O2S aging (before three way catalytic converter). See OXYGEN SENSOR (O2S) AGING, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) .
P0132	16516	02 Sensor Circuit High Voltage (Bank 1, Sensor 1)
P0133	16517	02 Sensor Circuit Slow Response (Bank 1, Sensor 1)
P0134	16518	02 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)
P0135	16519	02 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)	Check O2S heating (before three way catalytic converter). See OXYGEN SENSOR (O2S) HEATING, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) .

DIAGNOSTIC TROUBLE CODE (P0137 TO P0141)

DTC		DTC text	Corrective action
SAE	VAG
P0137	16521	02 Sensor Circuit Low Voltage (Bank 1, Sensor 2)	Check HO2S 2 and O2S control (after three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) 2 AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (AFTER THREE WAY CATALYTIC CONVERTER) .
P0138	16522	02 Sensor Circuit High Voltage (Bank 1, Sensor 2)
P0140	16524	02 Sensor Circuit No Activity Detected (Bank 1, Sensor 2)
P0141	16525	02 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)	Check O2S heating (after three way catalytic converter). See OXYGEN SENSOR (O2S) HEATING, CHECKING (AFTER THREE WAY CATALYTIC CONVERTER) .

DIAGNOSTIC TROUBLE CODE (P0171)

DTC		DTC text	Corrective action
SAE	VAG
P0171	16555	System too Lean (Bank 1)	Check intake air system for leaks. See INTAKE AIR SYSTEM, CHECKING FOR LEAKS (OUTSIDE AIR) .
			Check HO2S and O2S control (before three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) .
			Check MAF sensor. See MASS AIR FLOW (MAF) SENSOR, CHECKING .
			Check fuel pump: See FUEL PUMP, CHECKING .
			Check fuel injectors. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) . See FUEL INJECTORS, CHECKING .

DIAGNOSTIC TROUBLE CODE (P0172 & P0300)

DTC		DTC text	Corrective action
SAE	VAG
P0172	16556	System too Rich (Bank 1)	Check HO2S and O2S control (before three way catalytic converter) See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) .
			Check fuel pressure regulator. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING .
			Check exhaust system for leaks: See EXHAUST SYSTEM, EMISSION CONTROLS - 2.0L 4-CY .
P0300	16684	Random Misfire Detected	Check components of ignition system. See IGNITION-GLOW PLUG SYSTEM - 2.0L, ABA .
			Check misfiring detection. See MISFIRE DETECTION, CHECKING .
			Check ignition coil. See IGNITION COIL, CHECKING .
			Check engine speed (RPM) sensor. See ENGINE SPEED (RPM) SENSOR, CHECKING .
			Change type of fuel

DIAGNOSTIC TROUBLE CODE (P0301 TO P0341)

DTC

DTC text

Corrective action

SAE

VAG

P0301

16685

Cylinder 1 Misfire Detected

Check fuel injectors. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) . See FUEL INJECTORS, CHECKING .
Check ignition coil See IGNITION COIL, CHECKING .
Check ignition coil power output stage. See IGNITION COIL POWER OUTPUT STAGE, CHECKING .
Check misfiring detection. See MISFIRE DETECTION, CHECKING .

P0302

16686

Cylinder 2 Misfire Detected

P0303

16687

Cylinder 3 Misfire Detected

P0304

16688

Cylinder 4 Misfire Detected

P0322

16706

Ign./Distributor Eng. Speed Inp. Circ. No Signal

Check engine speed sensor. See ENGINE SPEED (RPM) SENSOR, CHECKING .

P0327 ⁽¹⁾

16711

Knock Sensor 1 Circuit Low Input

Check Knock Sensor (KS) 1 and knock control. See KNOCK SENSOR (KS) AND KNOCK CONTROL, CHECKING .

P0341

16725

Camshaft Position Sensor Circuit Range/Performance

Check Camshaft Position (CMP) sensor. See CAMSHAFT POSITION (CMP) SENSOR, CHECKING .

⁽¹⁾	Mode year 1997 and up, the SAE Diagnostic Trouble Code (DTC) is not displayed.

DIAGNOSTIC TROUBLE CODE (P0411 & P0422)

DTC		DTC text	Corrective action
SAE	VAG
P0411	16795	Secondary air system through flow faulty	Check secondary air pump motor: See SECONDARY AIR INJECTION PUMP MOTOR, CHECKING . Check combi valve: See PNEUMATIC VALVE, CHECKING . Check secondary air injection solenoid valve: See SECONDARY AIR INJECTION SOLENOID VALVE, CHECKING . Check hoses and connecting pipes to/between components: See SECONDARY AIR INJECTION (AIR) SYSTEM, SERVICING .
P0422	16806	Main Catalyst Efficiency Below Threshold (Bank 1)	Check HO2S and O2S control (before three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) . Check O2S aging (before three way catalytic converter). See OXYGEN SENSOR (O2S) AGING, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) .

DIAGNOSTIC TROUBLE CODE (P0449 TO P0501)

DTC		DTC text	Corrective action
SAE	VAG
P0440	16824	Evaporative Emission Control System Malfunction	Check EVAP canister purge regulator valve. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) . Check EVAP canister purge regulator valve See EVAP CANISTER PURGE REGULATOR VALVE -N80-, CHECKING, VEHICLES UP TO 1996 , or EVAP CANISTER PURGE REGULATOR VALVE -N80-, CHECKING, VEHICLES 1997-99 . Check hoses and lines from fuel tank to throttle valve control module See EVAPORATIVE EMISSIONS (EVAP) SYSTEM .
P0442	16826	Evaporative Emission Control System Leak Detected (small leak)	Check EVAP system: See EVAPORATIVE EMISSIONS (EVAP) SYSTEM .
P0455	16839	Evaporative Emission Control System Leak Detected (gross leak)	See EVAPORATIVE EMISSIONS SYSTEM, CHECKING, VEHICLES UP TO 1996 , or EVAP CANISTER PURGE REGULATOR VALVE -N80-, CHECKING, VEHICLES 1997-99 .
P0501	16885	Vehicle Speed Sensor Range/Performance	Check vehicle speed sensor signal. See SPEEDOMETER VEHICLE SPEED SENSOR (VSS) SIGNAL, CHECKING .

DIAGNOSTIC TROUBLE CODE (P0506 & P0507)

DTC		DTC text	Corrective action
SAE	VAG
P0506	16890	Idle Control System RPM Lower than Expected	Check fuel pressure regulator and residual pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check ignition timing. See IGNITION TIMING, CHECKING . Check engine speed (RPM) sensor. See ENGINE SPEED (RPM) SENSOR, CHECKING . Check battery voltage (B+) Check idle speed. See IDLE SPEED, CHECKING .
P0507	16891	Idle Control System RPM Higher than Expected

DIAGNOSTIC TROUBLE CODE (P0510 TO P1127)

DTC		DTC text	Corrective action
SAE	VAG
P0510	16894	Closed Throttle Position Switch Malfunction	Check throttle valve control module. See THROTTLE VALVE CONTROL MODULE, CHECKING .
P0605	16989	Internal Control Module Read Only Memory (ROM) Error	Replace Engine Control Module (ECM). See COMPONENT LOCATIONS, OVERVIEW .
P1114	17521	O2 Sensor, Bank 1 Sensor 2, Internal Resistance Too High	Check HO2S 2 and O2S control (after three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) 2 AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (AFTER THREE WAY CATALYTIC CONVERTER) .
P1118	17526	O2 Sensor Heater Circuit, Bank 1 Sensor 2, Open	Check HO2S 2 and O2S control (after three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) 2 AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (AFTER THREE WAY CATALYTIC CONVERTER) .
P1127	17535	Long Term Fuel Trim mul. (B1) System too Rich	Check MAF sensor. See MASS AIR FLOW (MAF) SENSOR, CHECKING .
			Check HO2S and O2S control (before three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) .
			Check HO2S 2 and O2S control (after three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) 2 AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (AFTER THREE WAY CATALYTIC CONVERTER) .
			Check fuel pump: See FUEL PUMP, CHECKING .
			Check fuel injectors. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) . See FUEL INJECTORS, CHECKING .

DIAGNOSTIC TROUBLE CODE (P1128)

DTC		DTC text	Corrective action
SAE	VAG
P1128	17536	Long Term Fuel Trim mul. (B1) System too Lean	Check HO2S and O2S control (before three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) .
P1128	17536	Long Term Fuel Trim mul. (B1) System too Lean	Check HO2S 2 and O2S control (after three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) 2 AND OXYGEN SENSOR (O2S) CONTROL, CHECKING (AFTER THREE WAY CATALYTIC CONVERTER) .
Check air filter and air intake screen for blockage.
Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR, CHECKING .
Check fuel pump: See FUEL PUMP, CHECKING .
Check fuel pressure regulator and residual pressure. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . .
Check fuel injectors. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) . See FUEL INJECTORS, CHECKING .
Check EVAP canister purge regulator valve. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) .
Check intake system and vacuum lines for leaks. See INTAKE AIR TEMPERATURE (IAT) SENSOR, CHECKING FOR LEAKS (OUTSIDE AIR) .
Check exhaust system for leaks. See EXHAUST SYSTEM, EMISSION CONTROLS - 2.0L 4-CY .
Check secondary air system for leaks. See SECONDARY AIR INJECTION SYSTEM, CHECKING .

DIAGNOSTIC TROUBLE CODE (P1213 TO P1240)

DTC		DTC text	Corrective action
SAE	VAG
P1213	17621	Cyl.1-Fuel Injector Circ. Short to B+	Check fuel injectors. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) . See FUEL INJECTORS, CHECKING .
P1214	17622	Cyl.2-Fuel Injector Circ. Short to B+
P1215	17623	Cyl.3-Fuel Injector Circ. Short to B+
P1216	17624	Cyl.4-Fuel Injector Circ. Short to B+
P1225	17633	Cyl.1-Injector Circ. Short to Ground	Check fuel injectors. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) . See FUEL INJECTORS, CHECKING .
P1226	17634	Cyl.2-Injector Circ. Short to Ground
P1227	17635	Cyl.3-Injector Circ. Short to Ground
P1228	17636	Cyl.4-Injector Circ. Short to Ground
P1237	17645	Cyl.1-Injector Circ. Open Circuit
P1238	17646	Cyl.2-Injector Circ. Open Circuit
P1239	17647	Cyl.3-Injector Circ. Open Circuit
P1240	17648	Cyl.4-Injector Circ. Open Circuit

DIAGNOSTIC TROUBLE CODE (P1340 TO P1476)

DTC		DTC text	Corrective action
SAE	VAG
P1340	17748	Camshaft/Crankshaft Pos.Sens.Signals Out of Sequence	Check engine speed (RPM) sensor See
P1410	17818	Tank Ventilation Valve Short to B+	Check EVAP canister purge regulator valve. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) .
P1425	17833	Tank Vent.Valve Short to Ground	Check EVAP canister purge regulator valve. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) .
P1426	17834	Tank Vent.Valve Open
P1471	17879	EVAP Emission Control LDP Circ Short to B+	Check diagnostic pump: See LEAK DETECTION PUMP, CHECKING .
P1472	17880	EVAP Emission Control LDP Circ Short to Ground	Check EVAP system for leaks: See LEAK DIAGNOSIS, FUNCTIONAL DESCRIPTION .
P1473	17881	EVAP Emission Control LDP Circ Open Circuit
P1475	17883	EVAP Emission Control LDP Circ Malfunction/Signal Circuit Open
P1476	17884	EVAP Emission Control LDP Circ Malfunction/Insufficient Vacuum

DIAGNOSTIC TROUBLE CODE (P1477 TO P1580)

DTC		DTC text	Corrective action
SAE	VAG
P1477	17885	EVAP Emission Control LDP Circ Malfunction	Check EVAP system for leaks: See LEAK DIAGNOSIS, FUNCTIONAL DESCRIPTION .
P1478	17886	EVAP Emission Control LDP Clamped Tube detected
P1500	17908	Fuel Pump Relay Circ. Electrical Malfunction	Check fuel pump relay: Check fuel pump: See FUEL PUMP, CHECKING .
P1502	17910	Fuel Pump Relay Circ. Short to B+
P1543	17951	Throttle Actuation Potentiometer Signal too Low	Check throttle valve control module. See THROTTLE VALVE CONTROL MODULE, CHECKING .
P1544	17952	Throttle Actuation Potentiometer Signal too High
P1558	17952	Throttle Actuation Electrical Malfunction
P1570	17978	Engine Control Module (ECM) Locked	See ANTI-THEFT IMMOBILIZER ON BOARD DIAGNOSTIC (OBD) (UP TO MAY 1999) (CABRIO ONLY) .
P1580	17988	Throttle Actuator (B1) Malfunction	Check throttle valve control module. See THROTTLE VALVE CONTROL MODULE, CHECKING .

DIAGNOSTIC TROUBLE CODE (P1582 TO P1613)

DTC		DTC text	Corrective action
SAE	VAG
P1582	17990	Idle Adaptation at Limit	Check throttle valve control module. See THROTTLE VALVE CONTROL MODULE, CHECKING .
			Check intake air system for leaks. See INTAKE AIR SYSTEM, CHECKING FOR LEAKS (OUTSIDE AIR) .
			Check exhaust system for leaks: See EXHAUST SYSTEM, EMISSION CONTROLS - 2.0L 4-CY .
			Check fuel pressure regulator. See FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING .
			Check EVAP canister purge regulator valve. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (SCAN TOOL FUNCTION 03) .
			Check Mass Air Flow (MAF) sensor. See MASS AIR FLOW (MAF) SENSOR, CHECKING .
P1611	18019	MIL Call-up Circ./Transm. Control Module Short to Ground	Check wiring between Transmission Control Module (TCM) and ECM Check MIL LED
P1613	18021	MIL Call-up Circ. Open Short to B+