OBD-II code · Network
U0455 Invalid Data Received From Restraints Occupant Classification System Module
A receiving module detected implausible data from the restraints occupant classification system (OCS) module. Seat-weight or pressure-mat values fail plausibility checks; passenger airbag enable/disable may default to enabled with the warning lamp on.
Is it safe to drive with U0455?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyModule internal fault or sensor input drift
- PossibleSoftware version mismatch after replacement
- Less likelyGateway module routing CAN messages incorrectly
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Occupant Classification Module
Related codes
- U0452Invalid Data Received From Restraints Control Module
- U0453Invalid Data Received From Side Restraints Control Module — Left
- U0454Invalid Data Received From Side Restraints Control Module — Right
- U0456Invalid Data Received From Coolant Temperature Control Module
- U0457Invalid Data Received From Information Center A
- U0458Invalid Data Received From Information Center B
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.