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Serial Data Gateway Module Replacement

GM4623249Courtesy 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 Serial Data Gateway Module

Procedure

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