What does code U02B2 mean?

Q: What does code U02B2 mean?

Lost Communication With Comfort and Convenience Display B. U02B2 is a generic communication fault indicating that a control module on the vehicle's Controller Area Network (CAN) bus has lost contact with the Comfort and Convenience Display B module. The computer that sets this code has detected a loss of the periodic CAN messages it expects from that display, so it flags the module as missing rather than reporting a fault inside the display itself.

DTC codes / U02xx · Lost communication with a control module / U02B2

U02B2Lost Communication With Comfort and Convenience Display B

U02B2 is a generic communication fault indicating that a control module on the vehicle's Controller Area Network (CAN) bus has lost contact with the Comfort and Convenience Display B module. The computer that sets this code has detected a loss of the periodic CAN messages it expects from that display, so it flags the module as missing rather than reporting a fault inside the display itself.

SystemNetwork

Code typeGeneric (all makes)

SeverityLow

Fix difficultyIntermediate

AreaLost communication with a control 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.