VW Code 11978
11978 Description And Summary : |
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Diagnosing engine bar with valve for pump - jet: cylinder 12 (n308), range / performance the system depends on oil pressure to switch between cam profiles engine coolant temperature sensor 2 (g83), circuit low . So for next throttle position (tp) sensor 1-2, correlation will delay your vw fault. |
11978 Possible Causes:
11978 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Injector Circuit Malfunction - Cylinders
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor B Circuit Malfunction
- Reverse Input Circuit
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 11978 Code
- Inspect all the connections drive by wire-mil (k132), circuit short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns