LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2018 >> Regal Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System - Repair Instructions >> Repair Instructions >> Communication Interface Module Battery Replacement (IO5, IO6, IOB)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Communication Interface Module Battery Replacement (IO5, IO6, IOB)

GM4623244Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Callout Component Name
Preliminary Procedure 
BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION (3.6L LGX) or BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION (2.0L LTG)
1 Communication Interface Module Battery

Procedure

  1. Disconnect the electrical connector.
  2. Unlock the retaining tabs.
  3. Control Module References - Programming and Setup