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NHTSA ID Number: 10070146
Manufacturer Communication Number: PI1105A
Summary
This Preliminary Information communication provides information to the technician about customer that want an aftermarket trailer brake controller or where the harness is located. To connect a trailer brake controller, a harness is needed that will plug into the X6 position of the Left Instrument Panel Junction Block (X61A), located under driver?s side dash near the parking brake pedal assembly.
6 Affected Products
Vehicles
| CHEVROLET | SILVERADO 1500 | 2014 |
| CHEVROLET | SUBURBAN | 2015 |
| CHEVROLET | TAHOE | 2015 |
| GMC | SIERRA 1500 | 2014 |
| GMC | YUKON | 2015 |
| GMC | YUKON XL | 2015 |
Parts
| Trailer Brake Controller Harness | 1 | 23184088  |
SEOCONTENT-START
Bulletin No.: PI1105A
Date: March, 2014
Service Bulletin
PRELIMINARY INFORMATION
| Subject: | Trailer Brake Controller Harness for Adding an Aftermarket Trailer Brake Controller |
| Models: | 2014 Chevrolet Silverado 1500 |
| 2015 Chevrolet Suburban, Tahoe | |
| 2014 GMC Sierra 1500 | |
| 2015 GMC Yukon, Yukon XL | |
| Equipped with RPO Z82 but without RPO JL1 |
The information in this PI replaces PIT5228 and PI1105. Please discard PIT5228 and PI1105.
Chevrolet and GMC models listed below equipped with trailering package RPO Z82 (but without RPO JL1) were shipped to dealers without an electric trailer brake controller harness used for the installation of an aftermarket trailer brake controller.
Vehicle Breakpoint Information
| Model Year | Model | Plant | Plant Code | Date |
| 2014 | Chevrolet Silverado 1500
GMC Sierra 1500 |
Fort Wayne | Z | Built Prior to October 10, 2013 |
| 2014 | Chevrolet Silverado 1500
GMC Sierra 1500 |
Silao | G | Built Prior to November 8, 2013 |
| 2015 | Chevrolet Suburban, Tahoe
GMC Yukon, Yukon XL |
Arlington | R | Built Prior to February 14, 2014 |
Availability of Trailer Brake Controller Harness
- Trailer Brake Controller harnesses are being shipped to dealers from the Warranty Parts Center (WPC) for vehicles in dealer inventory. This shipment began March 1, 2014 via UPS 3-Day Shipping. Please add this harness to the vehicle when parts are received. Additional information and a complete listing of affected VINs can be found in dealer message G_0000186218, dated March 7, 2014. Dealers in Canada should refer to message number G_0000186592.
- If a vehicle assigned to your dealership has been sold or dealer traded, please make arrangements to provide the customer or the selling dealer with the harness when received.
- For customers of previously purchased vehicles, GM will mail the harness directly to customers of record.
Information on Installation of an Aftermarket (Non-GM) Trailer Brake Controller
As stated above: the shipped harness is for use in connecting an aftermarket trailer brake controller. An instruction sheet for installation is included in the package with the harness. Additionally, a label is applied to the harness that calls out the wire colors and each wire’s function.
For reference the harness is to be connected from the MID-BEC to an aftermarket trailer brake controller. The MID-BEC is located under the I/P to the left of the steering column. The harness connection point (1) is illustrated above. Complete instructions for customer installation of the harness are included in the harness packaging.
This information does not apply to trucks equipped with an integrated trailer brake control module (JL1).
If the customer wishes to have an aftermarket brake controller installed in their vehicle, it would be considered as a Customer Pay option.
Parts Information
If additional or a replacement harness is needed please order:
| Description | Quantity | Part Number |
| Trailer Brake Controller Harness | 1 | 23184088 |
SEOCONTENT-END
Bulletin No.: PI1105A
Date: March, 2014
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Bulletin No.: PI1105
Date: November, 2013
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Bulletin No.: PI1105
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Bulletin No.: PIT5228
Date: Nov-2013
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Bulletin No.: PIT5228
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SaleBestseller No. 1
REESE Towpower 8507111 Brakeman IV Time-Delay Brake Controller for Trailers with 1-4 Axles
- VERSATILE: The Brakeman IV digital brake controller is compatible with a wide range of vehicles including Ford, GM, Chevy, Dodge, RAM, Toyota, Jeep, and more with 2, 4, 6, and 8 brakes (1-4 axles). Vehicle-specific Tekonsha Plug & Play brake controller wiring harness sold separately.
- TIME-DELAYED DIGITAL BRAKE CONTROLLER: Applies braking power that ramps up, or increases over a period of time, at a fixed rate. This makes the REESE Brakeman IV brake controller ideal for basic towing needs.
- EASILY INSTALL: The Brakeman IV trailer brake controller has a Plug & Play connection for easy installation. As a time-based controller with a compact design, the unit can be installed above or below the dash, in any direction, as it is within reach of the driver.
- EASY-TO-READ INDICATOR: This controller has an LED light display those changes from green to red to indicate trailer connectivity and power output.
- MANUAL BRAKING AVAILABLE: If you ever need to manually apply the brakes, simply move the manual control lever to the left. The Brakeman IV will apply power to your trailer’s brakes up to the amount of power previously set.
SaleBestseller No. 2
Bestseller No. 3
TEKONSHA 8508220 Brake-EVN Proportional Brake Controller for Trailers with 1-4 Axles, Compatible with Ford, GM, Chevy, Dodge, RAM, Toyota. Wiring Harness is NOT Included.
- COMPATIBILITY: The BRAKE-EVN electric brake controller is compatible with a wide range of vehicles including Ford, GM, Chevy, Dodge, RAM, Toyota, Jeep, and more with 2, 4, 6, and 8 brakes (1-4 axles). VEHICLE-SPECIFIC TEKONSHA PLUG & PLAY BRAKE CONTROLLER WIRING HARNESS SOLD SEPARATELY.
- PROPORTIONAL ELECTRIC BRAKE CONTROLLER: Provides automatic braking based on the intensity and rate at which you apply your tow vehicle’s brakes, thanks to an internal inertia sensor. This makes the Tekonsha BRAKE-EVN brake controller ideal in any braking situation.
- EASILY INSTALL THANKS TO PLUG & PLAY: The BRAKE-EVN trailer brake controller has a Plug & Play port for two plug adapters and a removeable electrical connector so the unit can be easily unplugged.
- EASY-TO-READ LED DISPLAY: Digital LED display shows settings, real-time diagnostics, and alerts.
- MANUAL BRAKING AVAILABLE: If you ever need to manually apply the brakes, simply move the manual control lever to the left. The BRAKE-EVN will apply power to your trailer’s brakes up to the amount of power previously set.
Bestseller No. 4
CURT 51180 Echo Mobile Electric Trailer Brake Controller with Bluetooth-Enabled Smartphone Connection, Proportional, Black PLastic, 9 x 9 x 3 inches, BLACK PLASTIC
- PORTABLE — The Echo trailer brake controller has a non-invasive install and is easily transferrable from one vehicle to another. It plugs into any 7-way connector, wirelessly links to your smartphone using Bluetooth
- SMARTPHONE-READY — The Echo brake controller wirelessly syncs with your Apple or Android phone, turning it into a brake controller interface with the Smart Control app (Warning: Avoid distracted driving. Only make adjustments when vehicle is stationary)
- ZERO-TOOL INSTALL — Installing this trailer brake controller is as easy as plugging in a 7-way trailer wiring connector. It requires no tools, no extra wires and no hardware. A locking tab and strap keep it firmly connected. NOTE: Strap stored inside cap
- HIGHLY RESPONSIVE — Echo uses a triple-axis accelerometer to provide smooth, safe braking. It maintains responsive braking, even when your phone screen is locked, receives incoming calls or if the Bluetooth connection is lost
- VERSATILE — This electronic trailer brake controller easily transfers between vehicles and trailers and works on virtually any trailer with 1 to 2 axles (2 to 4 brakes). It is also fully compatible with cruise control, anti-lock brakes, low-voltage systems
SaleBestseller No. 5
CURT 51170 Spectrum Original Equipment Style, Integrated Electric Trailer Brake Controller, Proportional
- FACTORY LOOK. The Spectrum trailer brake controller is designed to mount onto the dash of your vehicle and integrate with the other controls like a factory brake controller; It allows you to control and monitor all brake settings using a simple knob. Compatible with low-volt, PWM, ABS, cruise control and electric over hydraulic
- HIDDEN MAIN MODULE; To maintain powerful trailer brake operation without obstructing your vehicle dash, the computer module of this brake controller is separate from the control knob and can be mounted out of sight
- INTELLIGENT BRAKING; This trailer brake controller operates with an integrated circuit called a triple-axis accelerometer; This circuit detects motion on three planes and provides braking power accordingly, up or down a hill
- EASY ADJUSTMENT; The Spectrum electric brake controller is highly adjustable to accommodate different vehicles, trailers and loads; The push-button knob offers easily accessible manual override whenever needed
Bestseller No. 6
briidea Trailer Brake Controller, Time-Delay Brake Controller for 1-4 Axle Trailers, Safety Protection with Overload/Short-Circuit Alerts for Light-Duty & Occasional Towing
- PROFESSIONAL TRAILER BRAKE CONTROLLER: Ensure safe towing with the Briidea professional trailer brake controller. Designed for reliability, it gives you peace of mind by ensuring smooth braking, significantly reducing the risk of accidents and vehicle damage
- TIME-DELAY TRAILER BRAKE CONTROLLER: The time delay brake controller can activate the trailer brake by applying varying power within a set period of time. Once engaged, the LED display conveniently shows the gain setting, ensuring your safety while driving
- SAFETY PROTECTION: Our trailer brake controllers has advanced overcurrent protection, short circuit protection and fault detection for your road safety. With LED display, real-time display of your current Settings, output voltage and fault diagnosis, so that you can solve problems in a timely manner
- EASY TO INSTALL: Includes a versatile mounting bracket and accessories for installation in any position or angle. For optimal placement, we recommend mounting it under the dashboard to ensure it doesn't obstruct your view while driving. This allows you to conveniently operate and monitor trailer brake activity from the cab
- COMPATIBILITY: The trailer brake controller kit is compatible with any vehicle now your driving, designed to operate 1 to 4 braked axles (2- 8 brakes), ideal for light duty towing and Occasional towing, etc
Bestseller No. 7
REDARC Tow-Pro Liberty Electric Trailer Brake Controller Kit, Everyday Mode for Proportional Braking, Active Calibration, Inertia Sensing, Manual Override for Trailer Sway, Compatible with 12V Systems
- Smart Braking for Everyday Towing – The Tow-Pro Liberty electric brake controller is designed for your daily towing needs, mirroring your vehicle’s braking force for smooth, safe stops. With intuitive control at your fingertips, enjoy effortless braking every time!
- Proportional Braking Made Easy – In Everyday Mode, this brake controller matches your vehicle’s braking force for smooth, balanced stops with no push or pull. Designed for 12-volt systems, it self-calibrates for effortless setup and works seamlessly with electric or electric-over-hydraulic brakes.
- Swaystop Control for Total Stability - Effortlessly stop trailer sway and restore stability with a simple button press. The Redarc trailer brake controller's advanced sway control keeps your trailer in line, ensuring the safety of your passengers, vehicle, and precious cargo—delivering peace of mind on every trip.
- Sleek Factory Look, No More Knee Knocking – The Tow-Pro Liberty trailer breakaway switch installs effortlessly into your dashboard, blending seamlessly with your vehicle’s interior for a premium factory finish. Enjoy a clutter-free, comfortable drive with no interference to your leg space or airbags, while maintaining effortless control at your fingertips.
- Built for Adventure - With over 45 years of manufacturing experience in Australia, designs rugged electronics and truck accessories for the toughest conditions. Their power management, solar, and brake control solutions are trusted by adventurers and industries alike, offering unmatched durability and customer support
SaleBestseller No. 8
Hopkins 47235 Impulse Plug-in Simple Brake Control
- Time-based braking
- Mounts at any angle
- Percentage of braking power shown
- Plug-In Simple! with vehicle specific wiring kit
- Intuitive vertical manual slide
Bestseller No. 9
TEKONSHA 90885C Prodigy P2 Proportional Brake Controller for Trailers with 1-4 Axles
- PROPORTIONAL ELECTRIC BRAKE CONTROLLER: Provides automatic braking based on the intensity and rate at which you apply your tow vehicle’s brakes, thanks to an internal inertia sensor. This makes the Tekonsha P2 brake controller ideal in any braking situation.
- EASILY INSTALL AND STOW, THANKS TO PLUG & PLAY: The Primus IQ trailer brake controller has a snap-in dash mounting clip, Plug & Play port for two plug adapters, and removeable electrical connector so the unit can be easily unplugged, unclipped, and stored.
- EASY-TO-READ LED DISPLAY: Color LED display shows settings, real-time diagnostics, and alerts.
- BOOST FEATURE PROVIDES EXTRA BRAKING POWER: Boost provides up to three levels of additional stopping power at the touch of a button, giving you confidence in stopping safely when you’re hauling heavier loads and/or need more power to stop.
- VEHICLE APPLICATION: The Prodigy P2 electric brake controller is compatible with a wide range of vehicles including Ford, GM, Chevy, Dodge, RAM, Toyota, Jeep, and more with 2, 4, 6, and 8 brakes (1-4 axles). Vehicle-specific Tekonsha Plug & Play brake controller wiring harness sold separately.
SaleBestseller No. 10
TEKONSHA PRODIGY P3 Electronic Trailer Brake Control
- New
- Same Day Shipping on Request
- Best Value and Performance in its Class
- 15-Years as premier solution provider
- Complimentary White Glove Service - Just-Ask-We-Take-Care-of-It
Last update on 2025-04-18 / Affiliate links / Images from Amazon Product Advertising API
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