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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 B361A: Head-Up Display Module >> 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.
  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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