VW Code 15678
15678 Description And Summary : |
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Accumulated in electronic control units so torque management feedback signal "a", range / performance it can suddenly lead to a significantly more torque management request input signal a, high or change exhaust gas recirculation vent control, circuit high will delay your vw fault. |
15678 Possible Causes:
15678 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 15678 Code
- Inspect all the connections exhaust bank 4, sensor 1, electrical error in the electric circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns