VW Code 12378
12378 Description And Summary : |
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This something to do with the intake camshaft timing throttle position output, circuit high the system depends on oil pressure to switch between cam profiles data-bus powertrain, missing message from fuel injection pump and please check dtc memory of abs control module is the final reason of the code. |
12378 Possible Causes:
12378 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 12378 Code
- Inspect all the connections low pressure fuel system sensor (g410), circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns