What does code U05B5 mean?

Q: What does code U05B5 mean?

Invalid Data Received From Front Radar Module A. U05B5 is a communication fault indicating that a control module received invalid or missing data from the front radar module, which is used for adaptive cruise control and forward collision warning. The computer detected a message from the radar module that failed its internal validity check, such as a checksum error or out-of-range value, rather than a complete loss of communication.

DTC codes / U05xx · Network communication / U05B5

U05B5Invalid Data Received From Front Radar Module A

U05B5 is a communication fault indicating that a control module received invalid or missing data from the front radar module, which is used for adaptive cruise control and forward collision warning. The computer detected a message from the radar module that failed its internal validity check, such as a checksum error or out-of-range value, rather than a complete loss of communication.

SystemNetwork

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaNetwork communication

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