What does code U047D mean?

Q: What does code U047D mean?

Invalid Data Received From Restraints System Sensor M. U047D means the module that monitors the restraints system received invalid or missing data from sensor M, which is one of the impact or occupant detection sensors used to decide airbag deployment. The computer detected a message that failed its plausibility or checksum test, so it cannot trust the sensor's reading and sets this communication fault.

DTC codes / U04xx · Invalid data received from a module / U047D

U047DInvalid Data Received From Restraints System Sensor M

U047D means the module that monitors the restraints system received invalid or missing data from sensor M, which is one of the impact or occupant detection sensors used to decide airbag deployment. The computer detected a message that failed its plausibility or checksum test, so it cannot trust the sensor's reading and sets this communication fault.

SystemNetwork

Code typeGeneric (all makes)

SeverityHigh

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.