What does code U0473 mean?

Q: What does code U0473 mean?

Invalid Data Received From Restraints System Sensor C. U0473 is a communication fault indicating that the restraints control module (RCM) received invalid or corrupted data from a specific crash sensor, designated Sensor C, within the supplemental restraint system (SRS). The computer detected a message from that sensor that failed its internal plausibility or checksum validation, so it cannot trust the sensor's reading and sets this code.

DTC codes / U04xx · Invalid data received from a module / U0473

U0473Invalid Data Received From Restraints System Sensor C

U0473 is a communication fault indicating that the restraints control module (RCM) received invalid or corrupted data from a specific crash sensor, designated Sensor C, within the supplemental restraint system (SRS). The computer detected a message from that sensor that failed its internal plausibility or checksum validation, so it cannot trust the sensor's reading and sets this code.

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.