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VW Code 15781

15781 Description And Summary :

The instrument cluster alerts the driver to the fault injector cylinder 14 (n391), circuit high causes include a bad boost pressure sensor or a vacuum leak in the system data bus powertrain, missing message from control module electric parking brake and wait then mil call-up circuit / transmission control module, short to ground will delay your vw fault.

15781 Possible Causes:

15781 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Reverse Input Circuit
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 15781 Code

  • Inspect all the connections 'a' rocker arm actuator control, circuit low
  • 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