Used OEM 2016-2017 GM Blind Spot Alert Driver Assist Master Module LH Rear Bumper – 84007647

🔧 Part #: 591-04226
📦 Stock #: (MM1330) BX-B-A83

Genuine OEM GM Blind Spot Alert Driver Assistance Control Module, removed from a 2016 Cadillac Escalade ESV.

This factory electronic module is designed for select Cadillac, Chevrolet, GMC, and Buick vehicles equipped with compatible blind spot monitoring systems.

The module is installed in the left rear bumper area and functions as the master control unit for the vehicle's blind spot alert system. It helps monitor adjacent traffic and supports driver warning functions when another vehicle is detected in a monitored blind spot.

This is an original used GM component, not an aftermarket replacement. Normal cosmetic wear may be present from previous use.

OEM Part Number: 84007647

Vehicle Compatibility

Buick

• 2016 Buick Encore – Blind Spot Alert Module, LH Rear Bumper, ID 84007647

• 2017 Buick Regal – Blind Spot Alert, Option UFG, Master Module, LH Rear Bumper

Cadillac

• 2016 Cadillac Escalade – Blind Spot Alert Module, LH Rear Bumper, ID 84007647

• 2016 Cadillac Escalade ESV – Blind Spot Alert Module, LH Rear Bumper, ID 84007647

Chevrolet

• 2016 Chevrolet Malibu Limited – VIN 1 (4th Digit), Blind Spot Alert, Option UFT, Master Module, LH Rear Bumper, ID 84007647

• 2016 Chevrolet Suburban 1500 – Blind Spot Alert Module, LH Rear Bumper, ID 84007647

• 2016 Chevrolet Suburban 3500 – Blind Spot Alert Module, LH Rear Bumper, ID 84007647

• 2016 Chevrolet Tahoe – Blind Spot Alert Module, LH Rear Bumper, ID 84007647

GMC

• 2016 GMC Yukon – Blind Spot Alert Module, LH Rear Bumper, ID 84007647

• 2016 GMC Yukon XL 1500 – Blind Spot Alert Module, LH Rear Bumper, ID 84007647

Important Fitment Notice: Compatibility depends on the vehicle's factory blind spot alert equipment, original module part number, and electrical configuration.

This is the left-hand master module, not the right-hand passenger-side module.

Please verify the original part number, VIN, mounting position, and electrical connectors before purchasing.

OEM Part Number

GM Part Number: 84007647
Identification Number: 84007647
Module Description: Blind Spot Alert Master Control Module

Product Features

• Genuine GM OEM driver assistance control module

• Factory blind spot monitoring system component

• Left rear bumper mounting position

• Master module configuration

• Supports compatible side blind zone alert functions

• Original GM electrical connectors

• Designed for select Buick, Cadillac, Chevrolet, and GMC vehicles

• Used OEM replacement component

Condition & Installation

• Used original GM component

• Donor vehicle mileage: Unknown

• Normal cosmetic wear may be present

• Review actual product photographs for condition

• Professional installation recommended

• Module may require programming, configuration, or calibration

• Verify original part number and electrical connectors

• Inspect mounting brackets and surrounding bumper components

• Complete manufacturer-required diagnostics and calibration procedures after installation

• Blind spot monitoring operation must be verified before relying on the system