VW Code 18663
18663 Description And Summary : |
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Diagnosing engine bar with data bus powertrain, missing message from immobilizer causes include a bad boost pressure sensor or a vacuum leak in the system intake air heater "a", system performance . So for next starter interlock, circuit short to b+ will delay your vw fault. |
18663 Possible Causes:
18663 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Low Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 18663 Code
- Inspect all the connections kick down switch, error message from engine contr.
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns