What does code U0447 mean?

Q: What does code U0447 mean?

Invalid Data Received from Gateway A. U0447 means the module that requested data from Gateway A received a message it could not validate as correct, so the network is carrying corrupted or out-of-range information. Gateway A is the central communication hub that routes messages between controller area network (CAN) buses, and the fault is logged by the receiving module rather than by the gateway itself.

DTC codes / U04xx · Invalid data received from a module / U0447

U0447Invalid Data Received from Gateway A

U0447 means the module that requested data from Gateway A received a message it could not validate as correct, so the network is carrying corrupted or out-of-range information. Gateway A is the central communication hub that routes messages between controller area network (CAN) buses, and the fault is logged by the receiving module rather than by the gateway itself.

SystemNetwork

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaInvalid data received from a module

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.