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DTC codes / U02xx · Lost communication with a control module / U024F

U024FLost Communication With Side Obstacle Detection Control Module D

U024F is a network communication code indicating that one of the vehicle's computers has lost contact with the Side Obstacle Detection Control Module D, which is responsible for monitoring blind spots on one side of the vehicle. The detecting module expected regular status messages from this sensor over the controller area network (CAN) bus but stopped receiving them for a set period, so it flagged the module as missing.

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.

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