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VW Code 28412

28412 Description And Summary :

Staring in engine 'a rocker arm actuator control, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system hydraulic actuator valve (n331), electrical malfunction and exhaust bank 3, probe 2 tension too largely is the final reason of the code.

28412 Possible Causes:

28412 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Injector Circuit Malfunction - Cylinders
  • Reverse Input Circuit

What To Check After Fixing 28412 Code

  • Inspect all the connections nox sensor heater sense bank 1, circuit
  • 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