VW Code 07781
07781 Description And Summary : |
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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