BMW DTC U117F – Lost Communication With Wheel Speed
DTC U117F meaning on BMW
DTC U117F on a BMW indicates a communication error between the vehicle’s control module and the wheel speed sensors. This error code specifically points to a lost communication with the wheel speed sensor.
BMW DTC U117F symptoms
Symptoms of DTC U117F on a BMW may include:
- ABS warning light illuminated on the dashboard
- Traction control system malfunction
- Stability control system not functioning properly
- Loss of speedometer functionality
BMW DTC U117F causes
The potential causes of DTC U117F on a BMW include:
- Faulty wheel speed sensor
- Wiring or connection issues between the sensor and the control module
- Defective control module
- Interference from other electronic components
BMW DTC U117F seriousness
DTC U117F is a serious issue as it affects the proper functioning of the vehicle’s safety systems, such as ABS and traction control. Driving with this fault unresolved can compromise the vehicle’s stability and safety in various driving conditions.
How to diagnose DTC U117F on BMW
To diagnose DTC U117F on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes from the vehicle’s control module.
- Inspect the wheel speed sensors and their wiring for any visible damage or corrosion.
- Check the connections between the sensors and the control module for proper contact.
- Perform a continuity test on the sensor wiring to ensure there are no breaks or shorts.
- If necessary, use a multimeter to test the sensor’s output signal for proper operation.
How to fix DTC U117F on BMW
To fix DTC U117F on a BMW, you can try the following solutions:
- Replace the faulty wheel speed sensor if it is determined to be the cause of the communication error.
- Repair any damaged wiring or connections between the sensor and the control module.
- If the control module is faulty, it may need to be reprogrammed or replaced.
- Ensure there is no interference from other electronic components affecting the communication.
How to erase DTC U117F on BMW
To erase DTC U117F on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s control module. After addressing and fixing the underlying issue causing the fault code, clearing the code will reset the system and turn off the warning lights on the dashboard.
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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