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.

93 results

Showing matches for "S tronic".

TT
Fault CodeTransmission

P0700: Transmission control system requested warning

The engine controller has been told by the transmission controller that a gearbox-related fault is present.

Open result ->
TT
Fault CodeAutomatic transmission

P0706: Transmission range sensor circuit range / performance

The selected gear or park/neutral signal is implausible for the transmission's actual state.

Open result ->
TT
Fault CodeTransmission

P0715: Input / turbine speed sensor circuit

The transmission controller cannot trust the input or turbine speed signal.

Open result ->
TT
Fault CodeTransmission

P0750: Shift solenoid A malfunction

The transmission controller detected an electrical or hydraulic problem with shift solenoid A.

Open result ->
TT
Fault CodeElectronic throttle

P2135: Throttle position sensor correlation

The redundant throttle-position signals disagree beyond the permitted tolerance.

Open result ->
TT
Fault CodeEngine electronics

P0641: Sensor reference voltage A circuit open

A shared 5-volt reference circuit for engine sensors is missing, shorted, or pulled out of range.

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 CodeTurbocharging

P2563: Turbocharger boost-control position sensor range / performance

The reported turbo actuator position does not match the requested or mechanically possible range.

Open result ->
TT
Fault CodeNetwork communication

U0101: Lost communication with transmission control module

Other control modules cannot communicate reliably with the transmission controller.

Open result ->
TT
Fault CodeABS / stability control

C1112: ABS pump motor or supply circuit fault

The brake-control module detects a fault in the ABS pump motor circuit or its power supply.

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 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 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

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 CodeOxygen sensing

P0141: Oxygen sensor heater circuit, bank 1 sensor 2

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

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

P0303: Cylinder 3 misfire detected

The ECU detected repeated combustion misfires on cylinder 3.

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 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 CodeSecondary air

P0411: Secondary-air injection incorrect flow

The ECU does not see the expected oxygen-sensor response when the secondary-air system runs on cold start.

Open result ->
TT
Fault CodeEmissions

P0420: Catalyst efficiency below threshold, bank 1

Upstream and downstream oxygen-sensor behavior suggests insufficient catalyst oxygen-storage performance.

Open result ->
TT
Fault CodeExhaust / DPF

P0471: Exhaust pressure sensor range / performance

The exhaust-pressure sensor signal is implausible for engine load, speed, and DPF pressure conditions.

Open result ->
TT
Fault CodeExhaust temperature sensing

P0544: Exhaust-gas temperature sensor circuit, bank 1 sensor 1

The ECU sees an electrical fault in an exhaust-temperature sensor used to protect the turbo and emissions system.

Open result ->
TT
Fault CodeTransmission

P0741: Torque converter clutch stuck off / performance

The torque converter clutch is not locking as expected or slip remains too high.

Open result ->
TT
Fault CodeTransmission

P0868: Transmission fluid pressure low

The transmission controller sees lower hydraulic pressure than required for reliable clutch or gear operation.

Open result ->
TT
Fault CodeAdBlue / SCR

P204F: Reductant system performance

The reductant system is not meeting the performance expected by the emissions controller.

Open result ->
TT
Fault CodeAdBlue / SCR

P20EE: SCR NOx catalyst efficiency below threshold

The SCR system is not reducing NOx emissions as effectively as the ECU expects.

Open result ->
TT
Fault CodeCooling system

P2181: Cooling system performance

The coolant temperature behavior is outside the expected warm-up or operating range.

Open result ->
TT
Fault CodeFuel mixture / emissions

P2195: Oxygen sensor signal stuck lean, bank 1 sensor 1

The upstream oxygen sensor on bank 1 remains at a lean indication despite ECU correction.

Open result ->
TT
Fault CodeNOx sensing

P2201: NOx sensor circuit range / performance

A NOx sensor signal or its controller behavior is outside the expected operating range.

Open result ->