U0126: Lost Communication With Steering Angle Sensor Module
HighNetwork/CommunicationCommunication Bus
What does U0126 mean?
U0126 is a diagnostic trouble code indicating "Lost Communication With Steering Angle Sensor Module". The vehicle's main computer has lost its ability to communicate with a specific module over the data bus. This could be caused by a wiring fault, a blown fuse, or a failed control module.
Symptoms you may notice
- Check engine light (MIL) illuminated on dashboard
- Intermittent warning lights
- Erratic gauge readings
Estimated repair cost
Typical range in Australia (parts + labour)
$120 – $450 AUD
Common causes
- Failed control module
- CAN bus wiring fault or short
- Blown fuse to the affected module
- Water intrusion in a connector or module
- Battery voltage too low
What should you do?
This code sits in the steering system. Power assistance can cut out without warning, which makes the wheel go heavy, usually worst at parking and low speeds. Steering itself does not disappear, but the effort changes suddenly. Get it diagnosed before driving.
Get a diagnosis for YOUR car
Code U0126 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.