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.

Ignition - On/Vehicle - In Service Mode
Verify DTC B3105 is not set.
- If the DTC is set
1. Perform all necessary programming and setup procedures for the control module: Remote Control Door Lock Receiver@K9 Body Control Module
2. Verify the DTC does not set.
  - If the DTC sets - Replace the component: Keyless Entry Transmitters
  - Go to next step: If the DTC is not set
3. All OK.
- Go to next step: If the DTC is not set
All OK.