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Home >> Chevrolet >> 2025 >> Traverse Z71 >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Keyless Entry System And Remote Functions >> Diagnostic Information and Procedures >> DTC U3000 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON/Vehicle In Service Mode.
  2. Verify DTC U3000 is not set.
    • If DTC U3000 is set with symptom byte 49 or 54. 
    1. Perform all necessary programming and setup procedures for the control module that sets the DTC.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the control module that sets the DTC.
      • Go to next step: If the DTC does not set
    3. All OK.
    • If DTC U3000 is set active or in history with any symptom byte, except 49 or 54. 

      Replace the control module that sets the DTC.

    • Go to next step: If DTC U3000 is not set 
  3. All OK
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