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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 171 (Instrument Panel System Displays And Gauges) >> Diagnostic Information and Procedures >> DTC B124E: Universal Serial Bus (USB) Circuit Checksum Error >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

The performance data recorder will allow the unit to be reprogrammed after a failed attempt. This can be done with the new software again. If this continues not to work the unit can be programmed with older, known good software.

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