Communication Interface Module Battery Replacement
WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| Preliminary Procedure Communication Interface Module Replacement |
|
| 1 | Communication Interface Module Battery Bolt
CAUTION:
tighten 2.5N.m (22 lb in) |
| 2 | Communication Interface Module Battery Procedure Perform the backup battery reset. Backup Battery Reset |