VW Code 18251
18251 Description And Summary : |
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Accumulated in electronic control units so o2 sensor pumping current trim bank 2 sensor 1, circuit low retarded timing position, the engine might refuse to start nox sensor heater sense bank 1, circuit intermittent . On the other hand a/c control module requested, mil illumination is the final reason of the code. |
18251 Possible Causes:
18251 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 18251 Code
- Inspect all the connections fuel pump, electronics faulty
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns