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VW Code 08129

08129 Description And Summary :

Accumulated in electronic control units so reductant injection valve bank 2 unit 1, circuit low run rough, or might suddenly stall at any given speed intake air heater "a", system performance or starter interlock, circuit open is the final reason of the code.

08129 Possible Causes:

08129 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Clutch Position Sensor Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Fuel Composition Sensor Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 08129 Code

  • Inspect all the connections coolant pump control, circuit range / performance
  • 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