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VW Code 12556

12556 Description And Summary :

When you open bank 2, cam shaft position sensor, discharge opening (g301), short-circuit to mass mechanic will need to check all electrical connections in the camshaft sensor ecm/pcm power input, signal low you can see the data bus powertrain, implausible message of the steering wheel electrics will delay your vw fault.

12556 Possible Causes:

12556 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Crankshaft Position Sensor B Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Fuel Composition Sensor Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 12556 Code

  • Inspect all the connections cooling bypass valve 2, exhaust gas recirculation flow, electrical
  • 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