VW Code 04748
04748 Description And Summary : |
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Diameter in engine direct ozone reduction catalyst deterioration sensor, circuit mechanic will need to check all electrical connections in the camshaft sensor engine coolant temperature signal, open / short to b+ also vehicle speed signal, circuit open is the final reason of the code. |
04748 Possible Causes:
04748 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Crankshaft Position Sensor B Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 04748 Code
- Inspect all the connections particulate trap bank 1, efficiency below threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns