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VW Code 29639

29639 Description And Summary :

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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range