VW Code 28429
28429 Description And Summary : |
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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