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Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup >> Repair Instructions >> K56 Serial Data Gateway Module: Programming and Setup >> Repair Instructions
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Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification .

For control module replacement, programming, and setup, refer to: Control Module References .