Best Trailer Brake Modules for Towing You Can Trust
The right trailer brake module is essential for safe, reliable stopping when towing. This guide highlights top OEM-style and aftermarket brake control modules designed to restore or improve trailer braking for common GM trucks, SUVs, and other popular towing platforms. Each product below is evaluated for compatibility, ease of installation, and overall performance to help you choose a dependable replacement or upgrade.
Product Summary
| Product | Brand | Vehicle Compatibility | Replaces |
|---|---|---|---|
| Trailer Brake Control Module | FHRHRY | GM trucks/SUVs including Silverado, Suburban, Tahoe, Yukon, Escalade; Cadillac | GM 23337305, 23114650, 23104453 |
| Trailer Brake Control Switch | CULMKARI | Chevy Silverado, GMC Sierra, Suburban/Tahoe, Colorado/Canyon | 84108373, 23145874, 601226 |
| APDTY 141398 TBCM | APDTY | Escalade, Colorado, Canyon, Silverado, Sierra, Suburban, Tahoe, Yukon | GM 23337305, 23114650, 23104453 |
| Roneeson TBCM Relay | Roneeson | Cadillac Escalade, Silverado, Suburban, Tahoe, GMC Sierra, Yukon | 20904439, 25848909, 25837945 |
| FEXON 23337305 TBCM | FEXON | Chevy Silverado, Suburban, Tahoe, Colorado; GMC Sierra, Canyon, Yukon, Escalade | GM 23114650, 23104453 |
Trailer Brake Control Module for GM Trucks and SUVs

Brand: FHRHRY
Overview: This OEM-standard brake control module is built to meet or exceed factory specifications. It delivers robust performance, corrosion resistance, and a long service life. It resolves common trailer braking faults by maintaining reliable communication with the trailer brake system during towing, ensuring consistent braking response and enhanced safety.
Compatibility: Fits GM trucks and SUVs including 2014-2018 GMC Sierra 1500, 2015-2020 Chevrolet Suburban, Tahoe, Cadillac Escalade (ESV), and more. Replaces GM part numbers 23337305, 23114650, 23104453.
Why it matters: Proper communication between truck and trailer brakes reduces the risk of trailer sway, uneven stopping, and brake overheating on long hauls. This module is designed to install in the factory location behind the spare tire, minimizing downtime and complexity.
Trailer Brake Control Switch For GM And GMC Models

Brand: CULMKARI
Overview: This switch is designed to replace malfunctioning brake control switches and restore consistent braking performance. It supports a broad range of GM vehicles, including multiple Silverado, Suburban, Tahoe, and Canyon/Canyon SUVs, with part replacements listed as 84108373, 23145874, and 601226.
Compatibility: 2014-2021 Chevy Colorado/Silverado, GMC Canyon/Sierra, Suburban/Tahoe, Yukon, and related models. It’s suitable for models that experience warning lights or inconsistent braking signals due to switch failure.
Why it matters: A reliable brake control switch ensures accurate signaling to the trailer brake system, improving braking stability and reducing the likelihood of unexpected braking issues on the road.
APDTY 141398 TBCM Trailer Brake Module

Brand: APDTY
Overview: A premium quality trailer brake control module designed to replace older GM brake controllers (23337305, 23114650, 23104453). The updated unit maintains proper communication with the trailer brake system while towing or hauling, helping to ensure reliable braking performance and system integrity.
Compatibility: Replaces GM part numbers and supports many GM vehicles listed in the GM-compatible family, including Escalade, Colorado, Canyon, Silverado, Sierra, Suburban, Tahoe, and Yukon models across multiple years.
Why it matters: The upgraded version aims to improve braking stability, reduce fault codes, and provide a smoother braking response during dynamic towing conditions.
Roneeson Trailer Brake Control Module Relay

Brand: Roneeson
Overview: This relay-style brake control module serves as a reliable replacement for several GM models, including Cadillac Escalade, Silverado, Suburban, Tahoe, and GMC Sierra/Yukon. It replaces part numbers 20904439, 25848909, 25837945 and is designed to restore proper communication between truck and trailer brakes.
Compatibility: Works with Escalade (2009-2014), Avalanche (2009-2013), Silverado/Suburban/Tahoe (2007-2014), and similar GM platforms within the stated range.
Why it matters: A well-functioning trailer brake module relay helps prevent brake misfires and ensures consistent operational signaling under varied towing loads.
FEXON 23337305 TBCM Replacement Module

Brand: FEXON
Overview: This TBCM module replaces older GM numbers 23337305, 23114650, 23104453 for a broad set of GM trucks and SUVs. It emphasizes quick plug-and-play installation, no programming requirements, and restoration of proper trailer brake communication for safe towing.
Compatibility: Broad GM coverage including 2014-2018 Silverado/Sierra/Suburban, Tahoe, Yukon, Canyon, and Escalade models; also compatible with 2015-2020 Cadillac Escalade ESv.
Why it matters: A plug-and-play solution minimizes downtime and ensures the trailer brake system remains synchronized with the tow vehicle’s braking actions, improving overall safety on the road.
Buying Guide: Key Considerations For Trailer Brake Modules
- Compatibility: Confirm model year, trim, and whether the module replaces the exact GM part numbers (23337305, 23114650, 23104453) or aligns with the specific vehicle family (Chevy, GMC, Cadillac).
- Installation: Look for plug-and-play designs that install behind the spare tire or in factory locations with no programming required. Ease of installation reduces downtime and errors.
- Build quality and materials: Choose modules built to resist oxidation and harsh road conditions, ensuring long service life in varying climates.
- Communication reliability: A good TBCM or switch should maintain consistent communication with the trailer brake system to prevent erratic braking or failure to engage.
- Vehicle coverage: If you own multiple GM models (Silverado, Suburban, Tahoe, Sierra, Yukon, Canyon) or even Ford variants, verify broad compatibility or consider a module with proven cross-brand performance if you tow different rigs.
- Replacement vs upgrade: OEM-style replacements restore factory behavior, while performance-focused units (e.g., proportional controllers) can offer smoother braking on hills and in varying tow conditions.
- Warranty and support: Check manufacturer warranty terms and available technical support or installation guidance for peace of mind during installation and use.
- Installation environment: Consider the recommended location and whether the module is designed for easy replacement in a spare-tire recess vs. in-dash or under-hood mounting.
- Diagnostics: Some units provide diagnostic indicators or LED readouts to help monitor braking performance and detect faults quickly.