12659039 Genuine GM Engine Control Module For GM 3.6L V6

Description

The 12659039 is a genuine GM Engine Control Module developed for select 2015–2026 Buick, Cadillac, Chevrolet, and GMC vehicles equipped with 3.6L V6 gasoline and 3.6L V6 Flex engines. This module serves as the control center for engine operation, interpreting information from factory sensors and regulating combustion, ignition timing, fuel delivery, throttle management, and emissions functions to maintain original GM operating parameters.

Vehicle Compatibility

General Specifications

Product Features

The 12659039 Engine Control Module is built to match factory performance and installation requirements:

• Calculates engine operating requirements using continuous input from the factory sensor network
• Controls fuel injection, ignition timing, and airflow to support stable engine operation
• Coordinates communication between the engine management system and other factory electronic modules
• Designed with original connector locations and mounting dimensions for compatible GM vehicles
• Supports the factory electronic calibration for listed 3.6L V6 gasoline and Flex Fuel applications
• Manufactured to GM engineering specifications for reliable control system performance and long-term durability

Application Notes

The 12659039 is intended for vehicles equipped with the original GM engine management system identified for the listed applications. Depending on the vehicle, programming or software initialization may be necessary after installation to ensure proper communication with factory electronic systems.

Always verify the part number, VIN, engine configuration, and calibration requirements before installing the module.