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VW Code 15631

15631 Description And Summary :

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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range