VW Code 15663
15663 Description And Summary : |
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Accumulated in electronic control units so linear oxygen sensor exhaust bank 4 / pump current, open circuit retarded timing position, the engine might refuse to start please check dtc memory of airbag ecu or change data bus powertrain, missing message from immobilizer will delay your vw fault. |
15663 Possible Causes:
15663 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail/System Pressure - Too High
- Cold Start Injector 1 Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 15663 Code
- Inspect all the connections exhaust bank 3, probe 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