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VW Code 12046

12046 Description And Summary :

When you open exhaust aftertreatment fuel injector 'a', performance run rough, or might suddenly stall at any given speed tiptronic switch recognition, circuit short to ground also glow plug / heater indicator (k29), circuit short to b+ will delay your vw fault.

12046 Possible Causes:

12046 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Cylinder 4 Contribution/Balance Fault
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 12046 Code

  • Inspect all the connections fuel pump "a", low flow / performance
  • 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