What does code U0471 mean?

Q: What does code U0471 mean?

Invalid Data Received From Restraints System Sensor A. U0471 means the module responsible for the restraints system (airbags and seatbelt pretensioners) has received invalid or missing data from sensor A, which is typically a crash or impact sensor mounted on the vehicle body. The computer detected a message that failed its internal 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 / U0471

U0471Invalid Data Received From Restraints System Sensor A

U0471 means the module responsible for the restraints system (airbags and seatbelt pretensioners) has received invalid or missing data from sensor A, which is typically a crash or impact sensor mounted on the vehicle body. The computer detected a message that failed its internal plausibility or checksum test, so it cannot trust the sensor's reading and sets this communication fault.

SystemNetwork

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

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.