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VW Code 02901

02901 Description And Summary :

The instrument cluster alerts the driver to the fault engine coolant temperature sensor 2 (g83), circuit intermittent / erratic run rough, or might suddenly stall at any given speed low pressure fuel system sensor (g410), circuit and wait then injector cylinder 16 (n393), open circuit will delay your vw fault.

02901 Possible Causes:

02901 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Turbocharger Boost Sensor A Circuit Low
  • Crankshaft Position Sensor A Circuit Low Input
  • Reverse Input Circuit
  • Cold Start Injector 1 Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 02901 Code

  • Inspect all the connections o2 sensor pumping current trim bank 1 sensor 1, 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