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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Instrument Panel System Displays And Gauges) >> Diagnostic Information and Procedures >> DTC B124E: Universal Serial Bus (USB) Circuit Checksum >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

This DTC may be set due to the connection of an incompatible or faulty USB device.