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Home >> GMC >> 2024 >> Acadia AT4 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel, Displays And Gauges >> Diagnostic Information and Procedures >> DTC B19B0: >> Circuit / System Testing

Circuit / System Testing

  1. Ignition - On / Vehicle - In Service Mode
  2. Program the component: P29 Head - Up Display
  3. Verify the DTC does not set.
    • If the DTC is not set 

      All OK.

    • Go to next step: If the DTC sets 
  4. Replace the component: P29 Head - Up Display
  5. Verify the DTC does not set.
    • If the DTC is not set 

      All OK.

    • Go to next step: If the DTC sets 

      Go to next step: Replace the component: P16 Instrument Cluster

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