logo

VW Code 12934

12934 Description And Summary :

Staring in engine butterfly valve control unit 2 (j544) errors in basic adjustment mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 3, probe 2 heating circuit short-circuit after mass and camshaft position signal output, circuit high will delay your vw fault.

12934 Possible Causes:

12934 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Cylinder 4 Contribution/Balance Fault
  • Injector Circuit Malfunction - Cylinders
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 12934 Code

  • Inspect all the connections exhaust bank 3, probe 2 heating circuit of electrical errors
  • 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