VW Code 12393
12393 Description And Summary : |
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Staring in engine nox sensor heater control bank 1, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection valve 3 (n384), circuit open circuit or reversing light, circuit short to ground will delay your vw fault. |
12393 Possible Causes:
12393 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Reverse Input Circuit
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 12393 Code
- Inspect all the connections water in fuel sensor, 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