OBD-II code · Network
U0480 Invalid Data Received From Seat Belt Pretensioner Module B
A receiving module detected implausible data from seat belt pretensioner module B. Squib status or arming voltage values fail plausibility checks and are rejected.
Is it safe to drive with U0480?
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
- 0.5–3 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Seat Belt Pretensioner Module B
Related codes
- U047FInvalid Data Received From Seat Belt Pretensioner Module A
- U047DInvalid Data Received From Restraints System Sensor M
- U047EInvalid Data Received From Restraints System Sensor N
- U0481Invalid Data Received From Automatic Lighting Control Module
- U0482Invalid Data Received From Headlamp Leveling Control Module A
- U0483Invalid Data Received From Lighting Control Module — Front
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.