LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2021 >> XT5 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 734 (Keyless Entry System And Remote Functions) >> Diagnostic Information and Procedures >> DTC B3109-B3113 >> 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 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Note: Verify the correct replacement part number.

  1. Ignition - On/Vehicle - In Service Mode
  2. Button Pressed@Transponder Key
  3. Verify that no DTCs are set.
    • B3109
    • B3110
    • B3111
    • B3112
    • B3113
    • If the DTC is set 
    1. Replace the component: Battery@Transponder Key
    2. Verify the DTC does not set.
      • If the DTC is set

        Replace the component: Keyless Entry Transmitters

      • Go to next step: If the DTC is not set
    • Go to next step: If the DTC is not set 
  4. All OK.
scientia non olet · About LEMON Manuals