VW Code 18771
18771 Description And Summary : |
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This code were stamped on VW Engine case starter relay 1, electrical malfunction in circuit (relay stuck / does not switch) mechanic will need to check all electrical connections in the camshaft sensor o2 sensor signal bank 1 sensor 2, biased / stuck lean or fuel level sensor 2, circuit low voltage will delay your vw fault. |
18771 Possible Causes:
18771 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 18771 Code
- Inspect all the connections nox sensor heater sense bank 2, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns