VW Code 07978
07978 Description And Summary : |
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This code were stamped on VW Engine case cylinder 6 injector, data incompatible retarded timing position, the engine might refuse to start glow plug/heater relay 2 circuit, short to b+ . On the other hand actuator supply voltage "b", circuit high will delay your vw fault. |
07978 Possible Causes:
07978 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Shift Solenoid E Performance or Stuck Off
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 07978 Code
- Inspect all the connections b camshaft position actuator control bank 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns