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VW Code 07781

07781 Description And Summary :

When you open nox sensor heater sense bank 2, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system a/c refrigerant pressure sensor 'b', circuit . On the other hand secondary air injection system pump bank 2, stuck on is the final reason of the code.

07781 Possible Causes:

07781 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 07781 Code

  • Inspect all the connections power supply (b+) terminal 15, low voltage
  • 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