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VW Code 02156

02156 Description And Summary :

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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range