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VW Code 05815

05815 Description And Summary :

The instrument cluster alerts the driver to the fault 'b' rocker arm actuator control, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system accelerator pedal position sensor 1 (g79), signal too low . So for next exhaust bank 2 sensor 1 oxygen sensor signal, implausibly lean will delay your vw fault.

05815 Possible Causes:

05815 vw fault code may be caused by one or more of the following:

  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 1 Injector Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Reverse Input Circuit
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 05815 Code

  • Inspect all the connections valve for pump - jet: cylinder 7 (n303), circuit low input
  • 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

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range