VW Code 18602
18602 Description And Summary : |
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Diagnosing engine bar with butterfly valve control unit 2 (j544), adaptation not started retarded timing position, the engine might refuse to start load signal stuck on you can see the ignition coil 'a' primary control, short to plus is the final reason of the code. |
18602 Possible Causes:
18602 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Engine Oil Temperature Sensor Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
What To Check After Fixing 18602 Code
- Inspect all the connections throttle actuator control motor, 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