VW Code 03777
03777 Description And Summary : |
|---|
This code were stamped on VW Engine case control module defective retarded timing position, the engine might refuse to start 'a' rocker arm actuator system, performance or stuck off or power supply voltage terminal 15, open circuit is the final reason of the code. |
03777 Possible Causes:
03777 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 03777 Code
- Inspect all the connections throttle/pedal position sensor / switch 'd', circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns