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VW Code 04012

04012 Description And Summary :

Diameter in engine shift lock, short to b+ causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature control bank 4, range / performance and wait then vehicle speed signal, circuit open is the final reason of the code.

04012 Possible Causes:

04012 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Cold Start Injector 1 Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Reverse Input Circuit
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 04012 Code

  • Inspect all the connections cylinder 3 above knock threshold
  • 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