BMW DTC U0455 – Invalid Data Received From Restraints Occupant Classification System Module
DTC U0455 meaning on BMW
The DTC U0455 code on a BMW indicates that the vehicle’s onboard diagnostic system has detected invalid data being received from the Restraints Occupant Classification System Module. This module is responsible for determining the weight of the occupant in the front passenger seat and adjusting the deployment of the airbag accordingly.
BMW DTC U0455 symptoms
Symptoms of the DTC U0455 code on a BMW may include:
- Malfunction indicator light (MIL) or airbag warning light illuminated on the dashboard
- Issues with the passenger airbag deployment system
- Inaccurate or inconsistent readings from the occupant classification system
BMW DTC U0455 causes
The DTC U0455 code on a BMW can be triggered by various factors, including:
- Faulty occupant classification system module
- Wiring or connection issues in the system
- Software glitches or communication errors
BMW DTC U0455 seriousness
The DTC U0455 code should be addressed promptly as it relates to the proper functioning of the vehicle’s occupant classification system and airbag deployment. Ignoring this issue can compromise the safety of the vehicle’s occupants in the event of a collision.
How to diagnose DTC U0455 on BMW
To diagnose the DTC U0455 code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the specific fault codes stored in the vehicle’s system
- Inspect the wiring and connections related to the Restraints Occupant Classification System Module
- Check for any visible signs of damage or corrosion in the system components
- Perform system tests to verify the functionality of the occupant classification system
How to fix DTC U0455 on BMW
To fix the DTC U0455 code on a BMW, the following steps may be taken:
- Repair or replace any damaged wiring or connections in the occupant classification system
- Update the software of the Restraints Occupant Classification System Module if necessary
- Replace the faulty occupant classification system module if diagnosed as the root cause
- Clear the fault codes from the vehicle’s system after the repairs have been completed
How to erase DTC U0455 on BMW
To erase the DTC U0455 code on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. Once the underlying issue has been addressed and fixed, the mechanic can reset the system to remove the DTC U0455 code and ensure that the vehicle’s onboard diagnostic system is functioning properly.
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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