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Home › Chevrolet › 2021 › Traverse L › Repair and Diagnosis › External Pages › Different car › Section 68 (Driver Assistance Systems) › Diagnostic Information and Procedures › DTC U3000 (B218L Side Obstacle Detection Control Module - Left or B218R Side Obstacle Detection Control Module - Right) › Circuit/System Testing

Circuit/System Testing

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.

DTC U3000 with failure type byte 41, 42, or 49 

  1. Verify that the DTC is not set with FTB 41, 42, or 49.
    • If the DTC is set 

      Replace the B218 Side Obstacle Detection Control Module that is setting the DTC.

    • Go to next step: If the DTC is not set 
  2. All OK.

DTC U3000 with failure type byte 54, 56, or 57 

  1. Ignition ON.
  2. Verify that the DTC is not set with FTB 54, 56, or 57.
    • If the DTC is set 
    1. Program the B218 Side Obstacle Detection Control Module.
    2. Verify the DTC does not reset.
      • If the DTC resets, replace the B218 Side Obstacle Detection Control Module that is setting the DTC.
      • Go to next step: If the DTC does not reset
    3. All OK.
    • Go to next step: If the DTC is not set 
  3. All OK.
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