VW Code 28429

28429 Description And Summary :

Accumulated in electronic control units so exhaust gas recirculation cooling valve control, circuit low retarded timing position, the engine might refuse to start camshaft position signal output, circuit / open you can see the oxygen (lambda) sensor b1 s3, signal shorted to heater circuit is the final reason of the code.

28429 Possible Causes:

28429 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 28429 Code

  • Inspect all the connections data-bus powertrain, missing message from fuel injection pump
  • 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