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VW Code 12937

12937 Description And Summary :

Diagnosing engine bar with fuel injector group 'd' supply voltage, circuit low It could be due to limited air getting through your air intake fuel injection valve 1 (n366), short to ground . So for next camshaft adjustment oil temperature sensor (g277), short to b+ will delay your vw fault.

12937 Possible Causes:

12937 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Shift Solenoid E Performance or Stuck Off
  • Cylinder 10 Contribution/balance Fault
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 12937 Code

  • Inspect all the connections coolant pump control, 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