VW Code 12525
12525 Description And Summary : |
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Diagnosing engine bar with valve for exhaust flap 2 (n322), electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil cylinder 13, low circuit . So for next exhaust bank 1 mixture adaptation range 3, lean limit not reached is the final reason of the code. |
12525 Possible Causes:
12525 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Reverse Input Circuit
- Shift Solenoid E Performance or Stuck Off
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 12525 Code
- Inspect all the connections bank 1 sensor 1, internal resistance too high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns