BMW DTC U0126 – Lost Communication With Steering Angle Sensor Module
DTC U0126 meaning on BMW
DTC U0126 on a BMW indicates a communication error between the vehicle’s control module and the steering angle sensor module. This error code specifically points to a lost communication with the steering angle sensor module.
BMW DTC U0126 symptoms
Symptoms of DTC U0126 on a BMW may include:
- Malfunction indicator lamp (MIL) or check engine light illuminated on the dashboard
- Loss of power steering assistance
- Inaccurate steering angle readings
- Stability control system (DSC) or traction control system (TCS) warning lights illuminated
BMW DTC U0126 causes
The potential causes of DTC U0126 on a BMW include:
- Faulty steering angle sensor module
- Wiring or connection issues between the control module and the steering angle sensor module
- Defective control module
- Software issues
BMW DTC U0126 seriousness
DTC U0126 should be addressed promptly as it can affect the proper functioning of the vehicle’s stability control systems and power steering assistance. Ignoring this issue may lead to unsafe driving conditions and potential loss of vehicle control.
How to diagnose DTC U0126 on BMW
To diagnose DTC U0126 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s system
- Inspect the wiring and connections between the control module and the steering angle sensor module for any damage or corrosion
- Check the steering angle sensor module for proper functionality
- Perform a software update or reprogramming if necessary
How to fix DTC U0126 on BMW
To fix DTC U0126 on a BMW, consider the following actions:
- Repair or replace any damaged wiring or connections between the control module and the steering angle sensor module
- Replace the faulty steering angle sensor module if needed
- If the control module is defective, it may need to be replaced or reprogrammed
- Ensure all software updates are performed to address any software-related issues
How to erase DTC U0126 on BMW
To erase DTC U0126 on a BMW, use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. After addressing the underlying issue causing the error code, clearing the code will reset the system and turn off the malfunction indicator lamp (MIL) or check engine light.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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