Dorman 588-001 Infotainment Display

Infotainment Display for GM Trucks and SUVs

Dorman 588-001 is a remanufactured factory replacement infotainment display module for select 2003-2004 Cadillac Escalade, Chevrolet Silverado 1500, Tahoe, Suburban 1500, Avalanche 1500, and GMC Sierra 1500 applications with RPO code UM8. It restores the original navigation-radio functions in vehicles with a cracked, dim, or unresponsive screen.

Built with a black housing and integrated 5.85 in. screen, this infotainment display is a direct replacement for the original unit and does not require programming after installation.

Key Features

• Remanufactured factory replacement infotainment display module
• 5.85 in. screen with black housing
• No programming required
• Includes CD player function
• Female connector with black connector color
• Metal and plastic housing construction
• Cross-reference part number: 15118439

Detailed Description

Dorman 588-001 is built for GM vehicles equipped with the UM8 AM-FM stereo, CD, navigation, and clock system. It is a practical replacement for a failed factory infotainment screen when the display is cracked, the unit is unresponsive, or the CD function is no longer operating. This part number 588-001 restores the original navigation-radio interface without requiring dealership programming, making it a straightforward service part for 2003-2004 Cadillac Escalade, Escalade ESV, and Escalade EXT, as well as Chevrolet Avalanche 1500, Silverado 1500, Suburban 1500, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL 1500 models with the correct RPO code.

What It Helps Fix

• Cracked or damaged infotainment screen
• Unresponsive display controls
• CD player operation concerns
• Loss of navigation-radio display visibility
• Original unit failure in GM UM8-equipped vehicles

Installation Notes and Tips

Verify the vehicle has RPO code UM8 before ordering. This infotainment display uses a female connector with blade terminals and is intended for direct replacement of the original factory module. Confirm screen size, connector style, and dash configuration against the removed unit to ensure proper match. Part number 588-001 is listed with no programming required.

Quality Assurance

Dorman remanufactured replacement electronics are built to restore factory functionality in the original application. This part cross-references OE number 15118439 for the same application.