VW Code 15623
15623 Description And Summary : |
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The instrument cluster alerts the driver to the fault nox sensor bank 2, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system intake manifold tuning (imt) valve position sensor / switch bank 1, circuit or change relays for small amount of heat (j359), short-circuit after pluses is the final reason of the code. |
15623 Possible Causes:
15623 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Composition Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 15623 Code
- Inspect all the connections controller for radiator exhaust oh run (j138), 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