VW Code 15777
15777 Description And Summary : |
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When you open secondary air injection valve 4 (n385), circuit short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so control unit error programming error and wait then linear oxygen sensor exhaust bank 3 / reference voltage, open circuit will delay your vw fault. |
15777 Possible Causes:
15777 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 15777 Code
- Inspect all the connections evaporative emission system leak detection pump sense, circut high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns