Search the library

Find reliability topics fast

Search across 192 technical insights, blog posts, brand hubs, buying guides, and reliability pages by symptom, engine, gearbox, brand, or system.

82 results

Showing matches for "3.0 TDI".

TT
Fault CodeCombustion

P0303: Cylinder 3 misfire detected

The ECU detected repeated combustion misfires on cylinder 3.

Open result ->
TT
Fault CodeChassis / suspension

C1130: Chassis control or suspension pressure fault

A chassis or suspension control module has detected an implausible pressure, height, or control-state condition.

Open result ->
TT
Fault CodeOxygen sensing

P0030: Heated oxygen sensor heater control circuit, bank 1 sensor 1

The ECU detects an electrical fault in the heater circuit for the upstream oxygen sensor.

Open result ->
TT
Fault CodeFuel delivery

P0093: Large fuel-system leak detected

Fuel pressure is dropping at a rate that the ECU interprets as a major leak or excessive internal loss.

Open result ->
TT
Fault CodeAir metering

P0113: Intake-air temperature sensor circuit high

The ECU sees an intake-air temperature signal that is higher voltage than expected, often interpreted as an unrealistically cold reading.

Open result ->
TT
Fault CodeOxygen sensing

P0130: Oxygen sensor circuit malfunction, bank 1 sensor 1

The upstream oxygen or lambda sensor signal is implausible, missing, or outside the control range expected by the ECU.

Open result ->
TT
Fault CodeOxygen sensing

P0135: Oxygen sensor heater circuit, bank 1 sensor 1

The upstream oxygen sensor heater circuit is not operating as expected.

Open result ->
TT
Fault CodeTurbocharging

P0234: Turbocharger overboost condition

Boost pressure exceeded the ECU's permitted target for the operating condition.

Open result ->
TT
Fault CodeTurbocharging

P0236: Turbo boost sensor range / performance

The charge-pressure signal is outside the expected range or disagrees with operating conditions.

Open result ->
TT
Fault CodeCombustion

P0300: Random / multiple-cylinder misfire

Misfires are occurring across more than one cylinder or without one consistent cylinder pattern.

Open result ->
TT
Fault CodeCombustion

P0301: Cylinder 1 misfire detected

The ECU detected repeated combustion misfires on cylinder 1.

Open result ->
TT
Fault CodeCombustion

P0302: Cylinder 2 misfire detected

The ECU detected repeated combustion misfires on cylinder 2.

Open result ->
TT
Fault CodeCombustion

P0304: Cylinder 4 misfire detected

The ECU detected repeated combustion misfires on cylinder 4.

Open result ->
TT
Fault CodeCombustion

P0305: Cylinder 5 misfire detected

The ECU detects repeated combustion failure specifically on cylinder 5.

Open result ->
TT
Fault CodeKnock control

P0325: Knock sensor circuit malfunction

The ECU is not receiving a plausible signal from the knock sensor circuit.

Open result ->
TT
Fault CodeEngine speed sensing

P0335: Crankshaft position sensor circuit

The ECU is missing or cannot trust the crankshaft position signal.

Open result ->
TT
Fault CodeCamshaft sensing

P0340: Camshaft position sensor circuit, bank 1

The ECU is missing or cannot trust the camshaft position signal on bank 1.

Open result ->
TT
Fault CodeEGR

P0403: Exhaust-gas recirculation control circuit malfunction

The ECU detects an electrical fault in the EGR valve or its control circuit.

Open result ->
TT
Fault CodeEngine electronics

P0603: Internal control module keep-alive memory error

The engine controller has lost or detected corruption in memory retained when the ignition is off.

Open result ->
TT
Fault CodeTransmission

P0730: Incorrect gear ratio

The gearbox input and output speeds do not match the gear ratio the controller expected.

Open result ->
TT
Fault CodeEVAP

P0456: EVAP system very small leak detected

The fuel-vapor system has a very small leak during the ECU's leak test.

Open result ->
TT
Fault CodeVariable valve timing

P0011: Intake camshaft timing over-advanced, bank 1

The intake camshaft is more advanced than the ECU expects for the current operating condition.

Open result ->
TT
Fault CodeVariable valve timing

P0014: Exhaust camshaft timing over-advanced, bank 1

The exhaust camshaft position is more advanced than commanded or is slow to return to the expected position.

Open result ->
TT
Fault CodeEngine timing

P0016: Crankshaft / camshaft timing correlation

The ECU sees the crankshaft and camshaft signals outside their expected relationship.

Open result ->
TT
Fault CodeEngine timing

P0017: Crankshaft / camshaft timing correlation, bank 1 sensor B

The exhaust-camshaft and crankshaft signals on bank 1 are outside their expected relationship.

Open result ->
TT
Fault CodeTurbocharging

P0046: Turbocharger boost-control circuit range / performance

Turbo actuator or boost-control response is outside the range expected by the ECU.

Open result ->
TT
Fault CodeAir metering

P0068: Throttle body airflow correlation

Throttle position, manifold pressure, and measured airflow do not agree with one another.

Open result ->
TT
Fault CodeFuel delivery

P0087: Fuel rail pressure too low

Measured fuel pressure fell below the pressure requested by the engine controller.

Open result ->
TT
Fault CodeFuel delivery

P0088: Fuel rail pressure too high

Measured fuel-rail pressure exceeds the value requested by the engine controller.

Open result ->
TT
Fault CodeAir metering

P0101: Mass-air-flow signal range / performance

Airflow reported by the MAF sensor does not agree with the ECU's calculated operating conditions.

Open result ->
TT
Fault CodeAir metering

P0102: Mass-air-flow circuit low input

The MAF sensor signal is lower than expected for the engine speed and load.

Open result ->
TT
Fault CodeAir metering

P0106: Manifold absolute pressure range / performance

The MAP sensor signal does not match the pressure expected from throttle position, boost, engine speed, and airflow.

Open result ->
TT
Fault CodeCooling system

P0118: Engine coolant temperature sensor circuit high

The coolant-temperature signal is implausibly high voltage, often read by the ECU as extremely cold coolant.

Open result ->
TT
Fault CodeThrottle control

P0121: Throttle / pedal position sensor range / performance

The ECU sees a throttle or accelerator-position signal that is outside the expected relationship.

Open result ->
TT
Fault CodeCooling system

P0128: Coolant thermostat below regulating temperature

The engine is taking too long to reach expected operating temperature or is running cooler than the ECU expects.

Open result ->
TT
Fault CodeOxygen sensing

P0141: Oxygen sensor heater circuit, bank 1 sensor 2

The downstream oxygen sensor heater circuit is not reaching expected operation.

Open result ->