DTC codes / U05xx · Network communication / U0562
U0562 is a communication fault indicating that a control module on the vehicle's network received invalid or corrupted data from the seat control switch module B. The computer detected a message from that module that failed its internal checksum or contained out-of-range values, so it flagged the data as untrustworthy rather than treating it as a valid command.
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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