VW Code 09874
09874 Description And Summary : |
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Diagnosing engine bar with secondary air injection pump-d-relay (j705), circuit short to ground retarded timing position, the engine might refuse to start supply voltage for fuel injector group b, short to ground . On the other hand reductant injection valve bank 2 unit 2, circuit low is the final reason of the code. |
09874 Possible Causes:
09874 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 09874 Code
- Inspect all the connections coolant fan control 2: open or 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