VW Code 14978
14978 Description And Summary : |
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When you open radiator exhaust control 1, short-circuit after pluses to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 4, sensor 2 heater circuit, short-circuit after pluses . So for next diesel particulate filter regeneration frequency is the final reason of the code. |
14978 Possible Causes:
14978 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 14978 Code
- Inspect all the connections friction too high, intake cam adjustment bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns