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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 B124F: Universal Serial Bus (USB) Programming >> Circuit/System Verification

Circuit/System Verification

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.
  1. Ignition On/Vehicle In Service Mode
  2. Verify DTC B124F is not set.
    • If the DTC is set 
    1. Perform all necessary programming and setup procedures for the control module: P16 Instrument Cluster
    2. Verify the DTC does not set.
      • If the DTC sets, replace the component: P16 Instrument Cluster
      • If the DTC is not set
    3. All OK.
    • If the DTC is not set 
  3. All OK.
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