VW Code 13978
13978 Description And Summary : |
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Diagnosing engine bar with powertrain data bus, missing message from abs controller mechanic will need to check all electrical connections in the camshaft sensor diesel particulate filter regeneration frequency . On the other hand tiptronic switch down, circuit short to ground is the final reason of the code. |
13978 Possible Causes:
13978 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail/System Pressure - Too High
- Clutch Position Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 13978 Code
- Inspect all the connections pressure control solenoid 6 (n371), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns