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Home >> GMC >> 2021 >> Sierra 2500 HD Denali, 6.6L Eng VIN Y >> Repair and Diagnosis >> External Pages >> Different car >> Section 371 (Programming And Setup - All Systems) >> Repair Instructions >> K4 Assist Step Control Module: Programming and Setup >> Repair Instructions

Repair Instructions

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References  for rear gate module replacement, programming and setup

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