VW Code 07748
07748 Description And Summary : |
|---|
The instrument cluster alerts the driver to the fault actuator supply voltage "b", circuit low retarded timing position, the engine might refuse to start control module throttle actuator position, performance also fuel injector group 'd' supply voltage, circuit low is the final reason of the code. |
07748 Possible Causes:
07748 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 07748 Code
- Inspect all the connections o2 sensor exhaust sample error bank 2 sensor 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns