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Home >> Chevrolet >> 2021 >> Traverse L >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Supplemental Restraints System) >> Diagnostic Information and Procedures >> DTC U3000 >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON/Vehicle In Service Mode, engine OFF.
  2. Verify DTC U3000 is not set.
    • If DTC U3000 is set with symptom byte 55 or 99 
    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 55, or 99 

      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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