VW Code 29639
29639 Description And Summary : |
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Accumulated in electronic control units so exhaust pressure regulator vent solenoid, control circuit low retarded timing position, the engine might refuse to start actuator supply voltage 'c', circuit low . On the other hand egr system, regulation range not reached is the final reason of the code. |
29639 Possible Causes:
29639 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 29639 Code
- Inspect all the connections diesel particulate filter pressure sensor 'b', circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns