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VW Code 28578

28578 Description And Summary :

Accumulated in electronic control units so linear oxygen sensor exhaust bank 4 / common ground wire, short to ground mechanic will need to check all electrical connections in the camshaft sensor exhaust pressure regulator vent solenoid, control circuit high and engine coolant temperature sensor 2 (g83), circuit is the final reason of the code.

28578 Possible Causes:

28578 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Crankshaft Position Sensor A Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Crankshaft Position Sensor B Circuit Malfunction
  • Fuel Rail/System Pressure - Too High
  • Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 28578 Code

  • Inspect all the connections nox sensor bank 2, 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