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DTC codes / U02xx · Lost communication with a control module / U02A0

U02A0Invalid Data Received From Hybrid/EV Battery Interface Control Module D

U02A0 is a communication fault indicating that the hybrid or electric vehicle battery interface control module D is sending data that the rest of the vehicle network considers invalid or corrupted. The computer has detected that the module's messages are missing expected values, out of range, or not properly formatted, even though the module may still be powered and communicating on the bus.

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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