OBD-II code · Network
U0447 Invalid Data Received from Gateway A
A subscriber module reports that the central gateway is forwarding implausible or malformed messages. Multiple modules can show seemingly unrelated faults until the gateway is repaired or reflashed.
Is it safe to drive with U0447?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyGateway software corrupted
- PossibleGateway internally failing
- 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
- 0.5–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Vehicle Gateway, Can Bus Wiring
Related codes
- U0448Invalid Data Received from Gateway B
- U0444Invalid Data Received From Body Control Module C
- U0445Invalid Data Received From Body Control Module D
- U0446Invalid Data Received From Body Control Module E
- U0449Invalid Data Received From Serial Data Gateway Module C
- U044AInvalid Data Received From Serial Data Gateway Module D
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.