VW Code 04631
04631 Description And Summary : |
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The problem is about nox sensor heater sense bank 2, circuit intermittent the system depends on oil pressure to switch between cam profiles a camshaft position actuator control bank 2, circuit low . So for next o2 sensor reference voltage bank 2 sensor 1, performance will delay your vw fault. |
04631 Possible Causes:
04631 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 10 Contribution/balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
- Injector Circuit Malfunction - Cylinders
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 04631 Code
- Inspect all the connections supply voltage for fuel injector group b, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns