OBD-II code · Network
U0453 Invalid Data Received From Side Restraints Control Module — Left
A receiving module detected implausible data from the left side restraints control module (side airbag/curtain controller). Side-impact sensor data fails plausibility checks and is rejected.
Is it safe to drive with U0453?
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
- Side Restraints Module Left
Related codes
- U044FInvalid Data Received From Mirror Control Module B
- U0451Invalid Data Received From Serial Data Gateway Module E
- U0452Invalid Data Received From Restraints Control Module
- U0454Invalid Data Received From Side Restraints Control Module — Right
- U0455Invalid Data Received From Restraints Occupant Classification System Module
- U0456Invalid Data Received From Coolant Temperature Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.