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Home >> Cadillac >> 2021 >> XT5 Luxury, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 178 (Programming And Setup) >> Repair Instructions >> K56 Serial Data Gateway Module: Programming and Setup >> Repair Instructions
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Repair Instructions

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

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

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