Used OEM 2015-2017 GM Cadillac Escalade ESV OnStar Telematics Communication Module

🔧 Part #: 591-08661
📦 Stock #: (MM1330) DIS

Part Description: Communication / Telematics Control Module
Part Type: OnStar Communication Module
System: GM Telematics
Option Code: UE1
Condition: Used OEM Part

Vehicle Fitment

• 2015–2016 GMC Canyon – Communication Module, Right-Hand (RH) Kick Panel, OnStar (Opt UE1)
• 2015–2016 Chevrolet Colorado – Communication Module, Right-Hand (RH) Kick Panel, OnStar (Opt UE1)
• 2015–2016 Chevrolet Corvette – Communication Module, Center Cowl, OnStar (Opt UE1)
• 2015–2016 Buick Encore – Communication Module, Center of Dash, OnStar (Opt UE1)
• 2015 Cadillac Escalade ESV – Telematics Module, Center Dash Behind Radio (ID 23115629 / 23115630)
• 2016 Cadillac Escalade ESV – Telematics Module, Center Dash Behind Radio (ID 23399199)
• 2016–2017 Cadillac Escalade ESV – Telematics Module, Center Dash Behind Radio (ID 84023338)

Part Details

• Component: Communication / Telematics Control Unit
• Function: OnStar and vehicle communication system
• Mounting Location: Varies by vehicle; see fitment list
• Option Code: UE1 where specified
• OEM Part Numbers / IDs: 23115629, 23115630, 23399199, 84023338 (application dependent)
• Condition: Used OEM part

Compatibility Notes

• Verify the original module ID or OEM part number before ordering.
• Confirm the vehicle's OnStar option code UE1 where applicable.
• Mounting location, connector configuration, and module programming requirements vary by vehicle.
• Certain applications may require programming, setup, or activation after installation.
• Do not assume all listed module IDs are interchangeable; match the replacement to the original unit.

Included: Communication / telematics module as pictured. Brackets and wiring are included only if shown.

Please compare the original part number, connectors, and vehicle application before purchase.