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VW Code 02278

02278 Description And Summary :

The instrument cluster alerts the driver to the fault cylinder 6 above knock threshold causes include a bad boost pressure sensor or a vacuum leak in the system brake pressure switch (f270), implausible signal and valve for torque support mount, short to plus is the final reason of the code.

02278 Possible Causes:

02278 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Reverse Input Circuit
  • Shift Solenoid E Performance or Stuck Off
  • Injector Circuit Malfunction - Cylinders
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 02278 Code

  • Inspect all the connections fuel pressure regulator valve (n276), mechanical malfunction
  • 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