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Communication Interface Module Replacement

GM4623246Courtesy 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

Procedure

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