U3721 Audi Fault Code
If you want to know how to repair U3721 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 U3721 OBD/2 ErrorU3721 Code Check :
U3721 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.
| U | Network (U) Code |
| 3 | Throttle/Pedal Position Sensor/Switch A Circuit Intermittent |
| 7 | Control Module Throttle Actuator Position Performance |
| 2 | Cruise Inhibit Control Circuit |
| 1 | Water Pump Mechanical Defect Detected |
Common U3721 Error :
Because many things can trigger the error, finding the root cause can be tricky. This often makes repairing code U3721 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 U3721 does not cost a lot to repair. Once the code U3721 is repaired, your car will run better, have more power, and get better fuel mileage.