Cardone 73-42128F Transfer Case Control Module

Transfer Case Control Module for GM SUVs

Cardone 73-42128F is a remanufactured transfer case control module built for direct replacement and reliable electronic operation. It is engineered to meet or exceed OEM performance, with computerized testing and critical-component resoldering to help restore consistent transfer case control on supported Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab applications.

The Cardone Transfer Case Control Module line focuses on quick installation, verified function, and dependable electrical connections. For drivers searching for a remanufactured transfer case control module for 2002-2005 Chevrolet Trailblazer, 2002-2005 GMC Envoy, or 2004-2007 Buick Rainier applications, this part number 73-42128F is built around fit and function requirements for those vehicles.

Key Features

• Remanufactured transfer case control module
• 100% computerized testing for functionality and reliability
• Critical components resoldered to improve electrical connection quality
• Common wear components fully replaced during remanufacturing
• Guaranteed fit and function for listed applications
• Meets or exceeds OEM performance targets
• Male connector/terminal configuration
• Terminal quantity: 4;16;16
• E-waste compliant component

Detailed Description

Cardone 73-42128F is a remanufactured transfer case control module designed for vehicles that rely on electronic transfer case management. The module is tested with automated computerized equipment and validated on vehicle to confirm form, fit, durability, and performance requirements. That process helps support stable transfer case operation and reduces the risk of intermittent electrical faults caused by worn internal connections.

This part cross-references OE number 12590220 for the same application. It is a direct-fit solution for select GM and related platforms, including Chevrolet Trailblazer, GMC Envoy, and Buick Rainier models, with flash programming required on the vehicle after installation.

What It Helps Fix

• Transfer case control module failure codes
• Intermittent 4WD or AWD engagement concerns
• Electronic shift response problems
• Communication issues between the module and transfer case system
• Electrical faults caused by worn internal solder joints

Installation Notes

Fits 2004-2007 Buick Rainier, N/A; flash programming required on the vehicle. Fits 2002-2005 Chevrolet Trailblazer, N/A; flash programming required on the vehicle. Fits 2002-2005 Chevrolet Trailblazer EXT, N/A; flash programming required on the vehicle. Fits 2002-2005 GMC Envoy, N/A; flash programming required on the vehicle. Fits 2002-2005 GMC Envoy XL, N/A; flash programming required on the vehicle. Fits 2004-2005 GMC Envoy XUV, N/A; flash programming required on the vehicle. Fits 2003-2005 Isuzu Ascender, N/A; flash programming required on the vehicle. Fits 2005 Saab 9-7x, N/A; vehicle-specific flash programming required on the vehicle. Fits 2002-2004 Oldsmobile Bravada, N/A; flash programming required on the vehicle.

Verify connector style and OE reference before installation. Programming is required after the module is installed, so the vehicle must be prepared for flash setup during service.

Quality Assurance

Cardone remanufactured modules are built to meet or exceed OEM performance and are validated through computerized testing and on-car vehicle routines. The remanufacturing process includes resoldering critical components and replacing common wear items to support dependable electrical connections and consistent operation.