Dorman 609-002 Transmission Control Module

Reliable Transmission Control Module for Select GM Vehicles

The Dorman 609-002 Transmission Control Module is a remanufactured electro-hydraulic control unit designed to restore proper transmission function in various Cadillac, Chevrolet, and GMC models. Engineered with a 16-pin connector configuration, this module offers a standard replacement solution for vehicles requiring precise transmission management.

• 16-pin connector/terminal configuration for secure electrical connections
• Standard replacement grade for dependable performance
• Module dimensions: 12 inches length, 6 inches width, 5 inches height
• Includes one remanufactured transmission electro-hydraulic control module
• Compatible with multiple GM models including Chevrolet Silverado 1500 and Cadillac Escalade

Product Details and Specifications

The Dorman 609-002 Transmission Control Module is designed to meet OEM specifications for a range of General Motors vehicles. Its 16-pin connector ensures compatibility with the vehicle’s wiring harness, facilitating straightforward integration. The module’s physical dimensions—12 inches long, 6 inches wide, and 5 inches high—allow for proper fitment within the transmission control system housing. As a remanufactured unit, it has been tested and restored to function reliably as a standard replacement part, making it suitable for models such as the Chevrolet Camaro, Cadillac CTS, GMC Yukon XL 1500, and others.

Compatible Vehicles and Applications

This transmission control module is compatible with a variety of GM vehicles, including:

• Cadillac Escalade, Escalade ESV, Escalade EXT, CTS, STS
• Chevrolet Avalanche, Camaro, Caprice, Corvette, Express 2500/3500, Silverado 1500, Suburban 1500, Tahoe
• GMC Sierra 1500, Savana 2500/3500, Yukon, Yukon XL 1500

Common Issues Addressed by This Module

• Erratic or harsh transmission shifting
• Transmission slipping or failure to engage gears
• Check engine light related to transmission control faults
• Loss of communication between transmission and vehicle computer
• Failure of electro-hydraulic control functions within the transmission

Installation Notes and Tips

• Ensure vehicle battery is disconnected before installation to prevent electrical damage
• Verify connector pin alignment and secure connection to avoid communication errors
• Follow vehicle-specific service manual instructions for module removal and installation
• After installation, clear any diagnostic trouble codes and perform a transmission relearn procedure if required

Quality Assurance and Warranty

Dorman remanufactured transmission control modules undergo rigorous testing to meet performance standards. The 609-002 part number is backed by a limited warranty that covers defects in materials and workmanship, providing confidence in its reliability as a replacement component for Cadillac, Chevrolet, and GMC vehicles.