Diagnostic Trouble Code (DTC) table

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1999 Volkswagen Jetta, 1999 Volkswagen GTI, 1998 Volkswagen Jetta, 1998 Volkswagen GTI, and 1997 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

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

DIAGNOSTIC TROUBLE CODE (DTC) - P0102 TO P0118

Diagnostic Trouble Code (DTC)		Malfunction text	Malfunction elimination
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 Temp.Circ. 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 (DTC) - P0120 TO P0134

Diagnostic Trouble Code (DTC)		Malfunction text	Malfunction elimination
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 - 2.8 L VR6 2V - AAA .
P0131	16515	O2 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, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) . Check O2S aging and HO2 (before three way catalytic converter). See OXYGEN SENSOR (O2S) AGING, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) . Check HO2S and O2S control (after three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) 2 AND OXYGEN SENSOR CONTROL, CHECKING (AFTER THREE WAY CATALYTIC CONVERTER) .
P0132	16516	O2 Sensor Circuit High Voltage (Bank 1, Sensor 1)
P0133	16517	O2 Sensor Circuit Slow Response (Bank 1, Sensor 1)
P0134	16518	O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)

DIAGNOSTIC TROUBLE CODE (DTC) - P0135 TO P0141

Diagnostic Trouble Code (DTC)		Malfunction text	Malfunction elimination
SAE	VAG
P0135	16519	O2 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) .
P0137	16521	O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2)	Check HO2S and O2S control (after three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) 2 AND OXYGEN SENSOR CONTROL, CHECKING (AFTER THREE WAY CATALYTIC CONVERTER) .
P0138	16522	O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)
P0140	16524	O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2)
P0141	16525	O2 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 (DTC) - P0171

Diagnostic Trouble Code (DTC)		Malfunction text	Malfunction elimination
SAE	VAG
P0171	16555	System too Lean (Bank 1)	Check intake air system for leaks (outside air). See INTAKE AIR SYSTEM (OUTSIDE AIR), CHECKING FOR .
			Check HO2S and O2S control (before three way catalytic converter). See HEATED OXYGEN SENSOR (HO2S) AND OXYGEN SENSOR, CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) .
			Check Secondary Air Injection (AIR) system. See Output Diagnostic Test Mode (DTM) (scan tool function 03) . Also see SECONDARY AIR INJECTION (AIR) SYSTEM .
			Check MAF sensor. See MASS AIR FLOW (MAF) SENSOR, CHECKING .
			Check fuel pump. See FUEL PUMP (FP), CHECKING .
			Check fuel injectors. See Output Diagnostic Test Mode (DTM) (scan tool function 03) . Also see FUEL INJECTORS, CHECKING .

DIAGNOSTIC TROUBLE CODE (DTC) - P0172 & P0300

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 .
			Check exhaust system for leaks. See EXHAUST SYSTEM, EMISSION CONTROLS - 2.8L VR6 2V - AAA
P0300	16684	Random Misfire Detected	Check components of ignition system, see IGNITION SYSTEM, SERVICING
			Check misfiring detection, see IGNITION SYSTEM, SERVICING .
			Check ignition coil: see IGNITION SYSTEM, COMPONENTS .
			Check engine speed (RPM) sensor: see ENGINE SPEED (RPM) SENSOR, CHECKING .
			Change type of fuel

DIAGNOSTIC TROUBLE CODE (DTC) - P0301 TO P0411

SAE

VAG

P0301

16685

Cylinder 1 Misfire Detected

Check fuel injectors, see FUEL INJECTORS, CHECKING .
Check ignition coil, see IGNITION COIL, CHECKING .
Check misfiring detection, see IGNITION TIMING CONTROL, CHECKING .

P0302

16686

Cylinder 2 Misfire Detected

P0303

16687

Cylinder 3 Misfire Detected

P0304

16688

Cylinder 4 Misfire Detected

P0305

16689

Cylinder 5 Misfire Detected

P0306

16690

Cylinder 6 Misfire Detected

P0322

16706

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

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

P0327⁽¹⁾

16711

Knock Sensor 1 Circuit Low Input (Bank 1)

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

P0332⁽¹⁾

16716

Knock Sensor 2 Circuit Low Input

Check Knock Sensor (KS) 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 .

P0411

16795

Secondary Air Injection System Incorrect Flow Detected

Check Secondary Air Injection (AIR) system, see SECONDARY AIR INJECTION (AIR) SYSTEM

⁽¹⁾	Vehicles from m.y. 1997 and up, the SAE diagnostic trouble code is not displayed.

DIAGNOSTIC TROUBLE CODE (DTC) - P0422 TO P0506

SAE	VAG
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), CHECKING (BEFORE THREE WAY CATALYTIC CONVERTER) .
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 (VEHICLE 1996-1999) Check hoses and lines from fuel tank to throttle valve control module See FUEL FILTER AND FUEL TANK WITH ATTACHMENTS, REMOVING AND INSTALLING
P0442	16826	Evaporative Emission Control System Leak Detected (small leak)	Check EVAP system: See EVAPORATIVE EMISSIONS SYSTEM, CHECKING (VEHICLE 1996 - 1999)
P0501	16885	Vehicle Speed Sensor Range/Performance	Check Vehicle Speed Sensor (VSS) signal, see SPEEDOMETER VEHICLE SPEED SENSOR (VSS) SIGNAL, CHECKING .
P0506	16890	Idle Control System RPM Lower than Expected	Check fuel pressure regulator and holding pressure, see FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING . Check ignition timing, see IGNITION TIMING, CHECKING Check Vehicle Speed Sensor (VSS) signal, see SPEEDOMETER VEHICLE SPEED SENSOR (VSS) SIGNAL, CHECKING .

DIAGNOSTIC TROUBLE CODE (DTC) - P0507 TO P1118

SAE	VAG
P0507	16891	Idle Control System RPM Higher than Expected	Check battery voltage Check idle speed, see IDLE SPEED, CHECKING . Check throttle valve control module, see THROTTLE VALVE CONTROL MODULE, REMOVING AND INSTALLING .
P0510	16894	Closed Throttle Position Switch Malfunction
P0605	16989	Internal Control Module Read Only Memory (ROM) Error	Replace Engine Control Module (ECM), see COMPONENT LOCATIONS, OVERVIEW , item 5
P1114	17521	O2 Sensor, Bank 1 Sensor 2, Internal Resistance Too High	Check Oxygen sensor heating after catalyst, see OXYGEN SENSOR (O2S) HEATING, CHECKING (AFTER THREE WAY CATALYTIC CONVERTER) .
P1118	17526	O2 Sensor Heater Circuit, Bank 1 Sensor 2, Open	Check Oxygen sensor heating after catalyst, see OXYGEN SENSOR (O2S) HEATING, CHECKING (AFTER THREE WAY CATALYTIC CONVERTER) .

DIAGNOSTIC TROUBLE CODE (DTC) - P1127

SAE	VAG
P1127	17535	Long Term Fuel Trim mul. System too Rich (Bank 1)	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 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 (FP), CHECKING
			Check Secondary Air Injection (AIR) system, see Output Diagnostic Test Mode (DTM) (scan tool function 03) , and SECONDARY AIR INJECTION (AIR) SYSTEM
			Check fuel injectors, see Output Diagnostic Test Mode (DTM) (scan tool function 03) .

DIAGNOSTIC TROUBLE CODE (DTC) - P1128 TO P1218

SAE	VAG
P1128	17536	Long Term Fuel Trim mul. System too Lean (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 HO2S 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 (FP), CHECKING
			Check fuel injectors, see Output Diagnostic Test Mode (DTM) (scan tool function 03) , and FUEL INJECTORS, CHECKING .
			Check EVAP canister purge regulator valve, see Output Diagnostic Test Mode (DTM) (scan tool function 03)
P1213	17621	Cyl. 1-Fuel Injector Circ. Short to B+	Check fuel injectors, see Output Diagnostic Test Mode (DTM) (scan tool function 03) and 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+
P1217	17625	Cyl. 5-Fuel Injector Circ. Short to B+
P1218	17626	Cyl. 6-Fuel Injector Circ. Short to B+

DIAGNOSTIC TROUBLE CODE (DTC) - P1225 TO P1242

SAE	VAG
P1225	17633	Cyl.1-Injector Circ. Short to Ground	Check fuel injectors, see Output Diagnostic Test Mode (DTM) (scan tool function 03) , and 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
P1229	17637	Cyl.5-Injector Circ. Short to Ground
P1230	17638	Cyl.6-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
P1241	17649	Cyl.5-Injector Circ. Open Circuit
P1242	17650	Cyl.6-Injector Circ. Open Circuit

DIAGNOSTIC TROUBLE CODE (DTC) - P1340 TO P1426

SAE	VAG
P1340	17748	Camshaft/Crankshaft Pos.Sens.Signals Out of Sequence	Check engine speed (RPM) sensor, see ENGINE SPEED (RPM) SENSOR, CHECKING .
P1410	17818	Tank Ventilation Valve Short to B+	Check EVAP canister purge regulator valve, see Output Diagnostic Test Mode (DTM) (scan tool function 03) .
P1420	17828	Sec.Air Inj.Control Module Electrical Malfunction	Check Secondary Air Injection (AIR) system, see Output Diagnostic Test Mode (DTM) (scan tool function 03) , and SECONDARY AIR INJECTION (AIR) SYSTEM
P1421	17829	Sec.Air Inj.Valve Circ. Short to Ground
P1422	17830	Sec.Air Inj.Sys.Control Valve Circ. Short to B+
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 Circuit

DIAGNOSTIC TROUBLE CODE (DTC) - P1450 TO P1476

SAE	VAG
P1450	17858	Sec.Air Inj.Sys.Circ. Short to B+	Check Secondary Air Injection (AIR) pump relay -J299-. See appropriate Electrical Component Locator article.
P1451	17859	Sec.Air Inj.Sys.Circ. Short to Ground
P1452	17860	Sec.Air Inj.Sys. Open Circuit
P1471	17879	EVAP Emission Control LDP Circ Short to B+	Check diagnostic pump: See FUEL SUPPLY - 2.8 L VR6 2V - AAA .
P1472	17880	EVAP Emission Control LDP Circ Short to Ground	Check EVAP system for leaks: See FUEL SUPPLY - 2.8 L VR6 2V - AAA .
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 (DTC) - P1477 TO P1502

SAE	VAG
P1477	17885	EVAP Emission Control LDP Circ Malfunction	Check EVAP system for leaks: See FUEL SUPPLY - 2.8 L VR6 2V - AAA
P1478	17886	EVAP Emission Control LDP Clamped Tube detected
P1500	17908	Fuel Pump Relay Circ. Electrical Malfunction	Check fuel pump relay, see Electrical Component Locator
P1502	17910	Fuel Pump Relay Circ. Short to B+	Check fuel pump, see FUEL PUMP (FP), CHECKING

DIAGNOSTIC TROUBLE CODE (DTC) - P1543 TO P1582

SAE	VAG
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	17966	Throttle Actuator Electrical Malfunction
P1580	17988	Throttle Actuator (B1) Malfunction
P1582	17990	Idle Adaption at Limit	Check throttle valve control module, see THROTTLE VALVE CONTROL MODULE, CHECKING .
			Check intake air system for leaks (outside air), see INTAKE AIR SYSTEM (OUTSIDE AIR), CHECKING FOR LEAKS .
			Check exhaust system for leaks, see EXHAUST SYSTEM, EMISSION CONTROLS - 2.8L VR6 2V - AAA
			Check fuel pressure regulator, see FUEL PRESSURE REGULATOR AND RESIDUAL PRESSURE, CHECKING .

DIAGNOSTIC TROUBLE CODE (DTC) -

SAE

VAG

P1611

18019

MIL Call-up Circ./Transm.Control Module Short to Ground

Check wiring between Transmission Control Module (TCM) and Engine Control Module (ECM). See appropriate Electrical Component Locator article.

Check MIL LED Electrical Wiring Diagrams, Troubleshooting & Component Locations
Heavy wear on ignition/starter switch (D) contacts, replace

P1613

18021

MIL Call-up Circ.Open Short to B+ ⁽¹⁾

⁽¹⁾	The diagnostic trouble code P1613 or 18021 may also be stored if the Engine Control Module (ECM) has been incorrectly coded. See CODE CONTROL MODULE (SCAN TOOL FUNCTION 07) .