BMW DTC U1120 – Lost Communication With Steering Wheel Angle
DTC U1120 meaning on BMW
DTC U1120 on a BMW indicates a communication error between the vehicle’s control modules and the steering wheel angle sensor. This error code signifies that the control module has lost communication with the steering wheel angle sensor, which is a crucial component for stability control and other safety systems.
BMW DTC U1120 symptoms
Symptoms of DTC U1120 on a BMW may include:
- ABS warning light illuminated
- Stability control system malfunction
- Loss of power steering assistance
- Inaccurate steering angle readings
BMW DTC U1120 causes
Common causes of DTC U1120 on a BMW include:
- Faulty steering wheel angle sensor
- Wiring or connection issues between the sensor and control module
- Defective control module
BMW DTC U1120 seriousness
The seriousness of DTC U1120 on a BMW lies in the potential compromise of safety systems such as ABS and stability control. Driving with this fault unresolved can lead to unpredictable handling and compromised vehicle stability, especially in emergency situations.
How to diagnose DTC U1120 on BMW
To diagnose DTC U1120 on a BMW, you can:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the wiring and connections related to the steering wheel angle sensor
- Test the steering wheel angle sensor for proper functionality
How to fix DTC U1120 on BMW
To fix DTC U1120 on a BMW, you may need to:
- Replace the faulty steering wheel angle sensor
- Repair any damaged wiring or connections
- Reset the control module after making necessary repairs
How to erase DTC U1120 on BMW
To erase DTC U1120 on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- Ensure that the underlying issue causing the fault code has been resolved
- Perform a test drive to confirm that the fault code does not reappear