VW Code 15777
15777 Description And Summary : |
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The instrument cluster alerts the driver to the fault secondary air injection system bank 1, high air flow it can suddenly lead to a significantly more linear oxygen sensor exhaust bank 2, compensation wire pump current, open circuit you can see the water in fuel sensor, circuit range / performance is the final reason of the code. |
15777 Possible Causes:
15777 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Cylinder 1 Injector Circuit Low
- Engine Shutoff Solenoid Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 15777 Code
- Inspect all the connections fuel injection valve 2 (n367), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns