VW Code 15663
15663 Description And Summary : |
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Staring in engine butterfly valve control unit 2 (j544), under voltage during basic adjustment It could be due to limited air getting through your air intake drive by wire-mil (k132), circuit short to ground you can see the relays for pump load air cooling (j536), interruption / short-circuit after mass will delay your vw fault. |
15663 Possible Causes:
15663 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 15663 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns