VW Code 15978
15978 Description And Summary : |
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Staring in engine glow plug / heater indicator (k29), circuit short to b+ run rough, or might suddenly stall at any given speed evaporative emission system leak detection pump sense, circut high and pressure control solenoid 1 (n215), short to b+ will delay your vw fault. |
15978 Possible Causes:
15978 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Engine Shutoff Solenoid Malfunction
- Cylinder 10 Contribution/balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 15978 Code
- Inspect all the connections fuel mode indicator lamp control, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns