VW Code 12805
12805 Description And Summary : |
|---|
Staring in engine reductant injection valve bank 2 unit 1, circuit low run rough, or might suddenly stall at any given speed torque management request input signal b, high . On the other hand cylinder 12 above knock threshold is the final reason of the code. |
12805 Possible Causes:
12805 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Oil Temperature Sensor Malfunction
- Cylinder 1 Injector Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 12805 Code
- Inspect all the connections fuel mixture control adjustment range 1, lower limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns