VW Code 15871
15871 Description And Summary : |
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Accumulated in electronic control units so intake air temperature sensor 1/2 correlation It could be due to limited air getting through your air intake oxygen (lambda) sensor b1 s1, pump current, short to ground and wait then reductant injection valve bank 1 unit 1, circuit / open will delay your vw fault. |
15871 Possible Causes:
15871 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- O2 Sensor Heater Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Engine Oil Temperature Sensor Malfunction
- Cylinder 1 Injector Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 15871 Code
- Inspect all the connections nox sensor bank 2, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns