OBD-II code · Network
U047A Invalid Data Received From Restraints System Sensor J
A receiving module detected implausible data from restraints system sensor J (satellite crash sensor). Acceleration profile values fail plausibility checks against other crash sensors and are rejected.
Is it safe to drive with U047A?
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
- Restraints System Sensor J
Related codes
- U0471Invalid Data Received From Restraints System Sensor A
- U0472Invalid Data Received From Restraints System Sensor B
- U0473Invalid Data Received From Restraints System Sensor C
- U0474Invalid Data Received From Restraints System Sensor D
- U0475Invalid Data Received From Restraints System Sensor E
- U0477Invalid Data Received From Restraints System Sensor G
- U0478Invalid Data Received From Restraints System Sensor H
- U0479Invalid Data Received From Restraints System Sensor I
- U047BInvalid Data Received From Restraints System Sensor K
- U047CInvalid Data Received From Restraints System Sensor L
- U047DInvalid Data Received From Restraints System Sensor M
- U047EInvalid Data Received From Restraints System Sensor N
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.