VW Code 12783
12783 Description And Summary : |
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Diameter in engine secondary air injection system bank 2, high air flow the system depends on oil pressure to switch between cam profiles secondary air injection valve 4 (n385), circuit open circuit and intake manifold runner control: open stop outside of valid range is the final reason of the code. |
12783 Possible Causes:
12783 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 12783 Code
- Inspect all the connections actuator supply voltage "b", 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