What does code U024C mean?

Q: What does code U024C mean?

Lost Communication With Seat Control Module H. U024C is a generic network communication code indicating that the primary control module (often the body control module or gateway) has lost the expected controller area network (CAN) messages from the seat control module designated as 'H'. The computer detected a absence of regular status frames from that specific module on the vehicle's communication bus, not a direct electrical fault in the seat motor or switch.

DTC codes / U02xx · Lost communication with a control module / U024C

U024CLost Communication With Seat Control Module H

U024C is a generic network communication code indicating that the primary control module (often the body control module or gateway) has lost the expected controller area network (CAN) messages from the seat control module designated as 'H'. The computer detected a absence of regular status frames from that specific module on the vehicle's communication bus, not a direct electrical fault in the seat motor or switch.

SystemNetwork

Code typeGeneric (all makes)

SeverityMedium

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.