U0126 Lost Communication With Steering Angle Sensor Module
What does U0126 mean?
U0126 — Lost Communication With Steering Angle Sensor Module. This is an OBD-II diagnostic trouble code a scanner retrieves when your vehicle's computer detects lost communication with steering angle sensor module. The level of risk depends on how the vehicle is currently running and how long you've been driving with the light on.
Common causes of U0126
- Open or shorted bus wiring to the steering angle sensor
- Faulty steering angle sensor
- Clock spring damage breaking the connection
- Poor connector contact or corrosion
- Module power supply fault
How to fix U0126
- Inspect clock spring and wiring to the steering angle sensor
- Check the sensor connector for damage
- Verify power, ground, and bus wiring to the module
- Scan the network to confirm the module is offline
- Replace the clock spring or sensor as diagnosed