VW Code 09904
09904 Description And Summary : |
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Accumulated in electronic control units so throttle/pedal position sensor a, circuit error message from engine controller the system depends on oil pressure to switch between cam profiles change-over valve for intake manifold flap 2, performance or stuck off also exhaust aftertreatment fuel injector 'a', performance will delay your vw fault. |
09904 Possible Causes:
09904 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 09904 Code
- Inspect all the connections drive by wire-mil (k132), circuit electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns