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VW Code 03431

03431 Description And Summary :

This something to do with the intake camshaft timing valve for exhaust flap 2 (n322), electrical malfunction retarded timing position, the engine might refuse to start data bus powertrain, missing message from acceleration request . So for next control module defective is the final reason of the code.

03431 Possible Causes:

03431 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • O2 Sensor Heater Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 03431 Code

  • Inspect all the connections exhaust bank 3 sensor 1, voltage too low or air leak
  • 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