What does code U0457 mean?

Q: What does code U0457 mean?

Invalid Data Received From Information Center A. U0457 is a communication fault where a control module on the vehicle's Controller Area Network (CAN) bus reports that it has received invalid or corrupted data from the Information Center module, designated as 'A'. The detecting module sets this code when the data frames from the Information Center arrive with incorrect checksums, out-of-range values, or missing expected parameters, indicating a data integrity problem rather than a total loss of communication.

DTC codes / U04xx · Invalid data received from a module / U0457

U0457Invalid Data Received From Information Center A

U0457 is a communication fault where a control module on the vehicle's Controller Area Network (CAN) bus reports that it has received invalid or corrupted data from the Information Center module, designated as 'A'. The detecting module sets this code when the data frames from the Information Center arrive with incorrect checksums, out-of-range values, or missing expected parameters, indicating a data integrity problem rather than a total loss of communication.

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.