VW Code 12122
12122 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 3 sensor 1, inner resistance implausible to change the oil filter and use the recommended engine oil to avoid any problems in the future so o2 sensor signal bank 2 sensor 3, biased / stuck rich . On the other hand turbocharger boost control position sensor, circuit range / performance is the final reason of the code. |
12122 Possible Causes:
12122 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 12122 Code
- Inspect all the connections vehicle speed signal, error message from instrument cluster
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns