VW Code 15902
15902 Description And Summary : |
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Accumulated in electronic control units so coolant degassing valve, control circuit / open retarded timing position, the engine might refuse to start data bus powertrain, no message from transmission controller (tcu) or change oxygen (lambda) sensor b1 s1, pump current, open circuit is the final reason of the code. |
15902 Possible Causes:
15902 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 15902 Code
- Inspect all the connections nox sensor heater sense bank 2, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns