BMW DTC U017E – Lost Communication With Seatbelt Pretensioner Module ‘A’
DTC U017E meaning on BMW
DTC U017E on a BMW indicates a communication error with the Seatbelt Pretensioner Module ‘A’. This fault code is triggered when the vehicle’s control module is unable to establish communication with the seatbelt pretensioner module, which is responsible for tightening the seatbelt in the event of a collision or sudden deceleration.
BMW DTC U017E symptoms
Symptoms of DTC U017E on a BMW may include:
- Malfunction indicator light (MIL) or airbag warning light illuminated on the dashboard
- Loss of communication with the seatbelt pretensioner module
- Issues with the seatbelt pretensioner system
BMW DTC U017E causes
Common causes of DTC U017E on a BMW include:
- Faulty wiring or connectors in the communication network
- Defective seatbelt pretensioner module
- Interference from other electronic components
BMW DTC U017E seriousness
The seriousness of DTC U017E on a BMW lies in the potential compromise of the seatbelt pretensioner system’s functionality. In the event of a collision, the seatbelt pretensioner may not deploy as intended, leading to increased risk of injury to the occupants.
How to diagnose DTC U017E on BMW
To diagnose DTC U017E on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s control module
- Inspect the wiring and connectors associated with the seatbelt pretensioner module for any damage or corrosion
- Perform a communication test to verify connectivity between the control module and the seatbelt pretensioner module
How to fix DTC U017E on BMW
To fix DTC U017E on a BMW, consider the following:
- Repair or replace any damaged wiring or connectors in the communication network
- If the seatbelt pretensioner module is faulty, replace it with a new unit
- Ensure proper installation and secure connection of the seatbelt pretensioner module
How to erase DTC U017E on BMW
To erase DTC U017E on a BMW, use a diagnostic scanner to clear the fault codes stored in the vehicle’s control module. Once the codes are cleared, perform a test drive to ensure that the issue has been resolved and the fault code does not reappear.
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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