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Home >> Chevrolet >> 2020 >> Express 3500 Base, Van Cargo Extended, 2.8L Eng VIN 1 >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup >> Repair Instructions >> K71 Transmission Control Module: Programming and Setup >> Repair Instructions
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Repair Instructions

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