Diagnostic Aids

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.

Check for the latest software in the K69 Transfer Case Control Module if DTC C119E 5A sets during an Antilock Braking System event.
DTC C119E may be set because of a mechanical issue within the transfer case assembly.