VW Code 15631
15631 Description And Summary : |
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Diagnosing engine bar with reductant / regeneration supply control, circuit low the system depends on oil pressure to switch between cam profiles glow plug / heater relay, circuit short to b+ and wait then charging system, voltage low will delay your vw fault. |
15631 Possible Causes:
15631 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 15631 Code
- Inspect all the connections evaporative emission system vent (n115), valve stuck closed
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns