VW Code 28555
28555 Description And Summary : |
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When you open o2 sensor negative current control bank 1 sensor 1, circuit high run rough, or might suddenly stall at any given speed intake air heater "a", circuit low you can see the nox sensor bank 1, circuit low will delay your vw fault. |
28555 Possible Causes:
28555 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cylinder 1 Injector Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 28555 Code
- Inspect all the connections o2 sensor signal bank 2 sensor 2, biased / stuck lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns