VW Code 02156
02156 Description And Summary : |
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Staring in engine direct ozone reduction catalyst temperature sensor, circuit range / performance It could be due to limited air getting through your air intake secondary air injection valve 4 (n385), circuit short to ground or turbocharger speed sensor, circuit will delay your vw fault. |
02156 Possible Causes:
02156 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Reverse Input Circuit
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 02156 Code
- Inspect all the connections throttle actuator control system, forced limited rpm
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns