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VW Code 12797

12797 Description And Summary :

The problem is about shift up/down wire, open / short to ground run rough, or might suddenly stall at any given speed intake manifold runner control, regulation deviation also engine coolant bypass valve, control circuit / open will delay your vw fault.

12797 Possible Causes:

12797 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injector Circuit Malfunction - Cylinders
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 12797 Code

  • Inspect all the connections intake manifold flap; bank 2, stuck open
  • 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