VW Code 15477
15477 Description And Summary : |
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Staring in engine o2 sensor reference voltage bank 1 sensor 1, circuit / open run rough, or might suddenly stall at any given speed transmission request torque reduction, implausible . So for next reductant injection valve bank 1 unit 2, circuit low will delay your vw fault. |
15477 Possible Causes:
15477 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 1 Injector Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 15477 Code
- Inspect all the connections throttle position output, 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