B3478 Audi Fault Code
If you want to know how to repair B3478 OBD 2 code, it is necessary to find out what type of fault it is. The reason for this is that each type of fault needs different repair steps.
Meaning of Audi B3478 OBD/2 ErrorB3478 Code Check :
B3478 OBD 2 code troubleshooting is a process of resolving the problem with the car engine by inspecting the error codes and checking for any specific issues.
| B | Body (B) Code |
| 3 | Throttle/Pedal Position Sensor/Switch A Circuit Intermittent |
| 4 | Cruise Control Servo Indicates Low |
| 7 | Cruise Vehicle Speed/Set Speed Difference Too High |
| 8 | Electrostatic Oil Separator Circuit Failed Open |
Common B3478 Error :
Because many things can trigger the error, finding the root cause can be tricky. This often makes repairing code B3478 a long and arduous task. Other times, more than one problem can trigger this code.
It's advisable to leave this one to the professionals. In most cases, fixing code B3478 does not cost a lot to repair. Once the code B3478 is repaired, your car will run better, have more power, and get better fuel mileage.