VW Code 09921
09921 Description And Summary : |
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Accumulated in electronic control units so injector cylinder 15 (n392), circuit high retarded timing position, the engine might refuse to start starter interlock, circuit short to b+ . So for next outside temperature sensor 2 (g249), open to b+ will delay your vw fault. |
09921 Possible Causes:
09921 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 09921 Code
- Inspect all the connections b camshaft position actuator control bank 1, 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