BMW DTC U017F – Lost Communication With Seatbelt Pretensioner Module ‘B’
DTC U017F meaning on BMW
The DTC U017F code on a BMW indicates a communication error with the Seatbelt Pretensioner Module ‘B’. This means that the vehicle’s control module is unable to establish communication with the specific seatbelt pretensioner module, which is responsible for tightening the seatbelt in the event of a collision.
BMW DTC U017F symptoms
Symptoms of the DTC U017F code on a BMW may include:
- Malfunction indicator light (MIL) or check engine light illuminated on the dashboard
- Seatbelt warning light may be illuminated
- Seatbelt pretensioner system may not function properly in the event of a collision
BMW DTC U017F causes
Common causes of the DTC U017F code on a BMW include:
- Faulty seatbelt pretensioner module ‘B’
- Wiring or connection issues between the control module and the seatbelt pretensioner module
- Corrosion or damage to the electrical connectors
BMW DTC U017F seriousness
The DTC U017F code should be addressed promptly as it indicates a communication error with a critical safety component of the vehicle. Failure to resolve this issue may result in the seatbelt pretensioner system not functioning properly in the event of a collision, potentially compromising occupant safety.
How to diagnose DTC U017F on BMW
To diagnose the DTC U017F code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes and identify the specific module causing the communication error
- Inspect the wiring and connectors between the control module and the seatbelt pretensioner module for any damage or corrosion
- Perform a visual inspection of the seatbelt pretensioner module ‘B’ for any visible signs of damage
How to fix DTC U017F on BMW
To fix the DTC U017F code on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connectors between the control module and the seatbelt pretensioner module
- Replace the faulty seatbelt pretensioner module ‘B’ if necessary
- Clear the fault codes using a diagnostic scanner after the repairs have been completed
How to erase DTC U017F on BMW
To erase the DTC U017F code on a BMW, follow these steps:
- Use a diagnostic scanner to access the vehicle’s control module
- Select the option to clear or erase fault codes
- Follow the on-screen prompts to confirm the deletion of the DTC U017F code
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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