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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Electrical >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC B124F: Universal Serial Bus (USB) Programming >> Circuit/System Description
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Circuit/System Description

The control module P16 performs software checks to validate a programming event has completed successfully. No external circuit diagnosis is involved.