VW Code 15989
15989 Description And Summary : |
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Accumulated in electronic control units so air cleaner inlet control, circuit high mechanic will need to check all electrical connections in the camshaft sensor fuel injector group 'c' supply voltage, circuit low . So for next butterfly valve control unit 2 (j544), adaptation not started is the final reason of the code. |
15989 Possible Causes:
15989 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 15989 Code
- Inspect all the connections supply voltage for fuel injector group b, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns