VW Code 15478
15478 Description And Summary : |
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When you open internal control module: eeprom error run rough, or might suddenly stall at any given speed linear oxygen sensor exhaust bank 4 / reference voltage, short to ground you can see the post catalyst fuel trim system, high limit is the final reason of the code. |
15478 Possible Causes:
15478 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ambient Air Temperature Sensor Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 15478 Code
- Inspect all the connections please check dtc memory of clutch ecu
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns