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Home >> Chevrolet >> 2024 >> Traverse LS, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Displays And Gauges >> Diagnostic Information and Procedures >> DTC U223B >> Circuit / System Verification

Circuit / System Verification

  1. Ignition ON.
  2. Verify DTC B1C4A, B1C4D, B1C9F, B1D71, or B1D74 is not set.
    • Go to next step: If DTC B1C4A, B1C4D, B1C9F, B1D71, or B1D74 is not set 
  3. Program the A11 Radio.
  4. Verify the DTC is not set.
    • If DTC is not set 

      All OK.

    • Go to next step: If DTC is set 
  5. Program the K9 Body Control Module.
  6. Verify the DTC is not set.
    • If DTC is not set 

      All OK.

    • Go to next step: If DTC is set 
  7. Replace the A11 Radio.
  8. Verify the DTC is not set.
    • If DTC is not set 

      All OK.

    • Go to next step: If DTC is set 
  9. Replace the K9 Body Control Module. Refer to Control Module References
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