VW Code 12231
12231 Description And Summary : |
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The problem is about givers 2 for intake air temperature (g299), signal too small the system depends on oil pressure to switch between cam profiles intake manifold tuning (imt) valve position sensor / switch bank 1, circuit low also park/neutral switch input circuit is the final reason of the code. |
12231 Possible Causes:
12231 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12231 Code
- Inspect all the connections intake manifold runner control, regulation deviation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns