VW Code 01777
01777 Description And Summary : |
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Diameter in engine power supply, voltage high voltage causes include a bad boost pressure sensor or a vacuum leak in the system hc adsorption catalyst efficiency below threshold bank 1 . So for next injector cylinder 13 (n390), circuit high is the final reason of the code. |
01777 Possible Causes:
01777 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Injector Circuit Malfunction - Cylinders
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 01777 Code
- Inspect all the connections reductant injection air pressure sensor 'a', circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns