VW Code 01781
01781 Description And Summary : |
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The instrument cluster alerts the driver to the fault fuel fired heater, disabled mechanic will need to check all electrical connections in the camshaft sensor o2 sensor negative current control bank 2 sensor 1, circuit low you can see the a/c refrigerant pressure sensor 'b', circuit is the final reason of the code. |
01781 Possible Causes:
01781 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 01781 Code
- Inspect all the connections bank 3, o2 correction behind catalyst, b1, limit attained
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns