VW Code 18231
18231 Description And Summary : |
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Diagnosing engine bar with ignition coil 'd' primary control, short to plus It could be due to limited air getting through your air intake reductant injection valve bank 1 unit 1, circuit high and valve for pump - jet: cylinder 10 (n306), electrical malfunction is the final reason of the code. |
18231 Possible Causes:
18231 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Injector Circuit Malfunction - Cylinders
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 18231 Code
- Inspect all the connections fuel injector group 'c' supply voltage, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns