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.
- Ignition - On/Vehicle - In Service Mode
- Verify DTC P062F is not set.
- If the DTC is set
Replace the component: K69 Transfer Case Control Module
- Go to next step: If the DTC is not set
- If the DTC is set
- All OK.