VW Code 15631
15631 Description And Summary : |
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Diagnosing engine bar with a camshaft position actuator control bank 2, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system fuel fired heater, disabled also o2 sensor reference voltage bank 2 sensor 1, circuit high is the final reason of the code. |
15631 Possible Causes:
15631 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 15631 Code
- Inspect all the connections exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at upper limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns