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Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Remote Functions System) >> Diagnostic Information and Procedures >> DTC B3105 >> 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 XT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that the transmitter is a correct transmitter for the vehicle. This can be accomplished by comparing the part number printed on the transmitter to the appropriate part number in the parts catalog.
    • If the transmitter is incorrect 

      Replace the transmitter.

    • Go to next step: If the transmitter is correct 
  2. Program the transmitter. Refer to Remote Control Door Lock and Theft Deterrent Transmitter Programming .
  3. Verify the transmitter has successfully completed the programming procedure.
    • If the transmitter does not program successfully 

      Replace the transmitter.

    • Go to next step: If the transmitter programs successfully 
  4. All OK.
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