VW Code 10121
10121 Description And Summary : |
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This something to do with the intake camshaft timing starter interlock, circuit short to b+ retarded timing position, the engine might refuse to start control module defective and throttle actuator control motor current, range / performance is the final reason of the code. |
10121 Possible Causes:
10121 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 10121 Code
- Inspect all the connections intake manifold runner control, circuit low bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns