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VW Code 12631

12631 Description And Summary :

Accumulated in electronic control units so reversing light, circuit short to b+ run rough, or might suddenly stall at any given speed power supply (b+) terminal 15, low voltage . So for next relays for pump, fuel cooling (j445), short-circuit after pluses is the final reason of the code.

12631 Possible Causes:

12631 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Reverse Input Circuit
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 12631 Code

  • Inspect all the connections engine torque reduction, open / short to ground
  • 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