VW Code 02478
02478 Description And Summary : |
|---|
The problem is about intake manifold runner bank 1 control, basic setting aborted mechanical limit open the system depends on oil pressure to switch between cam profiles o2 sensor reference voltage bank 1 sensor 1, circuit high or change diesel particulate filter differential pressure too high bank 2 will delay your vw fault. |
02478 Possible Causes:
02478 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 02478 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns