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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 B361A: Head-Up Display Module >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON/Vehicle in Service Mode.
  2. Verify DTC B361A 4B is not set.
    • If DTC B361A 4B is set 
    1. Program the P16 Instrument Cluster.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the P29 Head-Up Display.
      • If the DTC does not set
    3. All OK.
    • If DTC B361A 4B is not set 
  3. Verify DTC B361A 39 is not set.
    • If DTC B361A 39 is set 

      Replace the P29 Head-Up Display.

    • If DTC B361A 39 is not set 
  4. All OK
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