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DTC codes / U02xx · Lost communication with a control module / U022F

U022FLost Communication With Object Detection Maintenance Control Module B

U022F is a generic network communication code indicating that a control module responsible for object detection maintenance (often part of an advanced driver assistance system) has stopped communicating with other modules on the vehicle's data bus. The computer has detected a loss of expected messages from this specific module, which may be due to a wiring fault, module failure, or power/ground issue.

SystemNetwork
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyProfessional
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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