VW Code 15400
15400 Description And Summary : |
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Staring in engine secondary air injection system switching valve bank 2, stuck open to change the oil filter and use the recommended engine oil to avoid any problems in the future so fuel mixture control adjustment range 3, lower limit not reached also exhaust gas temperature sensor bank 2 sensor 2, circuit low is the final reason of the code. |
15400 Possible Causes:
15400 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Engine Shutoff Solenoid Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cold Start Injector 1 Malfunction
What To Check After Fixing 15400 Code
- Inspect all the connections exhaust bank 3, probe 1 heating circuit short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns