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NHTSA ID Number: 10089968
Manufacturer Communication Number: 15411
Summary
15411 – SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSTALL FUSES AND RELAYS AS REQUIRED IN THE UNDERHOOD ELECTRICAL CENTER (UEC) ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO AND GMC SIERRA VEHICLES EQUIPPED WITH AN ACCESSORY-WIRING-JUNCTION-BLOCK (RPO 9L7). THESE VEHICLES MAY HAVE MISSING FUSES AND RELAYS. THE CUSTOMER MAY NOTICE THAT THE AUXILIARY SWITCHES ARE INOPERATIVE AFTER THE FUNCTION IS ADDED TO THE VEHICLE.
2 Affected Products
Vehicles
Parts
SEOCONTENT-START
GM Bulletin No.: 15411
Date: June 2015
Subject: | Service Update for Inventory and Customer Vehicles Underhood Electrical Center (UEC) Missing Fuses and Relays Expires with Base Warranty |
Models: | 2015-2016 Chevrolet Silverado |
2015-2016 GMC Sierra | |
Equipped with Accessory Wiring Junction Block (RPO 9L7) |
This service update includes vehicles in dealer inventory and customer vehicles that return to the dealership for any reason. This bulletin will expire at the end of the involved vehicle’s New Vehicle Limited Warranty period.
PURPOSE
This bulletin provides a service procedure to install fuses and relays as required in the Underhood Electrical Center (UEC) on certain 2015 model year Chevrolet Silverado and GMC Sierra vehicles equipped with an accessory-wiring-junction-block (RPO 9L7). These vehicles may have missing fuses and relays. The customer may notice that the auxiliary switches are inoperative after the function is added to the vehicle.
This service procedure should be completed as soon as possible on involved vehicles currently in dealer inventory and customer vehicles that return to the dealer for any type of service during the New Vehicle Limited Warranty coverage period.
VEHICLES INVOLVED
All involved vehicles are identified by VIN in the Global Warranty Management System – Investigate Vehicle History Application. Dealership technicians should always check this site to confirm vehicle involvement prior to beginning any required inspections and/or repairs. It is important to routinely use this tool to verify eligibility because not all similar vehicles may be involved regardless of description or option content.
Additionally, a list of involved vehicles currently in dealer inventory is available on the “Service Update Bulletin Information” link under the “Service” tab in GM GlobalConnect (US) or attached to the GlobalConnect message (Canada) used to release this bulletin. Customer vehicles that return for service, for any reason, and are still covered under the vehicle’s base warranty should also be checked for vehicle eligibility.
PART INFORMATION
Parts required to complete this service update are to be obtained from General Motors Customer Care and Aftersales (GMCCA). Please refer to your “involved vehicles listing” before ordering parts. This part will be on Order Writing control initially and all DRO’s (Daily Replenishment Orders) will cancel. Dealers can place orders CSO (Customer Special Order). In emergency situations a dealer should place a SPAC case and the orders will be processed in the order received.
Part Number | Description | Quantity/ Vehicle |
19209790 ![]() |
Fuse (5A) | 2 |
19209796 ![]() |
Fuse (30A) | 4 |
19116057 ![]() |
Relay | 4 |
Service Procedure
This service procedure covers the installation of six fuses and four relays in the Underhood Electrical Center (UEC). These components are required for functionality of the RPO 9L7 Auxiliary Switch Panel located in the center of the Instrument Panel.

- Remove the cover from the Underhood Electrical Center (1).

Note: UEC fuse block component locations viewed from left side of vehicle

Note: UEC fuse block before fuse and relay installation

Note: UEC fuse block after fuse and relay installation
Note: Firmly insert components directly from the top, (Do not wiggle).
- Locate fuse positions 22 and 27 circled in purple.
- Install the two tan 5A fuses.
- Locate fuse positions 23, 30, 32, and 37 circled in green.
- Install the four green 30A fuses.
- Locate relay positions 60, 61, 62, and 65 circled in red.
- Install the four gray HIPWR relays in their correct orientation.
- Install the UEC cover, and close the hood.
WARRANTY TRANSACTION INFORMATION
Submit a transaction using the table below. All transactions should be submitted as a ZFAT transaction type, unless noted otherwise.
Labor Code | Description | Labor Time |
9101612 | Install UEC Fuses / Relays | 0.3 |
DEALER PROGRAM RESPONSIBILITY
Whenever a vehicle subject to this service update enters your vehicle inventory, or is in your facility for service in the future, and the vehicle is still covered under the New Vehicle Limited Warranty, you must take the steps necessary to be sure the service update correction has been made before selling or releasing the vehicle.
SEOCONTENT-END
GM Bulletin No.: 15411
Date: June 2015
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- 【Meet all your needed size】-- The fuse kit includes micro size 50pcs, mini size 160pcs and standard size 90pcs. Three styles of auto fuses have 11 current specifications (2A /3A / 5A/ 7.5A/ 10A/ 15A/ 20A/ 25A / 30A/ 35A/40A), equipped with a fuse puller.
- 【Reasonable quantity matching】-- We increase the number of fuses with commonly used current specifications of 10A/ 15A/ 20A/ 25A, and reduced other kinds of fuses, the fuse assortment can serve as a backup fuse box for cars.
- 【High quality and wide application】-- The fuse is made of environmentally friendly plastic and zinc alloy. The blade fuses are suitable for cars ,RV, truck, motorcycles, boats,SUV, ATV, UTV, Camper RV, Motorcycles, etc
- 【Easy to identify】-- The car fuses of each current specification are distinguished by different colors, and the current specification number is marked on the top of each automotive fuses, which is easy to identify.
- 【Installation Instructions】--Car fuses assortment kit contains fuse installation instructions to help you replace and install the fuse correctly.
- ALL SIZES YOU NEED - The fuses automotive kit covers 182pcs commonly used blade fuses and a fuse puller - 63pcs Standard: 5A/ 7.5A/ 10A/ 15A/ 20A/ 30A/ 40A (9PCS of each model ), 56pcs mini: 5A/ 7.5A/ 10A/ 15A/ 20A/ 30A/ 40A (8PCS of each model ), 63pcs Low Profile Mini: 5A/ 7.5A/ 10A/ 15A/ 20A/ 30A/ 40A (9PCS of each model )
- HIGH QUALITY - The auto fuse is made of Premium zinc alloy terminals for corrosion resistance and enhanced conductivity. The fuse assortment comes with a storage box, easy to store and carry
- EASY TO IDENTIFY - The blade fuses of each current specification are distinguished by different colors, also clearly marked with amperage, which is easy to identify. Please use the right amp fuse to protect the vehicle and electronic equipment from short-circuit/overload
- WIDE APPLICATION - variety of sizes that are commonly used in most of vehicles. This fuse kit can be used on Cars, Truck, SUV, ATV, UTV, Camper RV, Motorcycles, etc
- FUSE PULLER - The fuses puller is included in the mini fuses box, help you easily replace the fuse
- Easy Identification: Made of a high quality zinc alloy, with a transparent cover and color coded
- 14 Most Common Fuses: Standard and Mini. (5A/ 7.5A/ 10A/ 15A/ 20A/ 25A/ 30A)
- Wide Applications: Fits most vehicles like car, truck, marine, SUV, travel trailer and other vehicles
- Note: Please use the right amp fuse to protect the vehicle and electronic equipment from short-circuit/overload
- ll Sizes You Need: The package contains 140pcs fuse and 2pcs fuse puller - 70pcs standard fuse and 70pcs mini fuse. (10pcs of each AMP)
- The blade fuses are clearly marked with amperage and color coded for easy identification
- Available in amperage ratings of 2A to 40A (rated at 32 volts), you could always find one that fits your auto
- Includes both standard size & mini size; Perfect for Car/RV/Truck/Motorcycle/Boat
- Premium zinc alloy terminals for corrosion resistance and enhanced conductivity
- Comes with a fuse puller, makes replacing the fuse easier and quicker
- Easy Identification: Fuses assortment kit made of a high-quality zinc alloy, with a transparent cover and color-coded.
- 8 Most Common Standard Fuse: 1A/3A/5A/10A/15A/ 20A/30A/40A.
- All Sizes You Need: The package contains 80pcs car fuse and 2pcs fuse puller.
- Wide Applications: Fuses kit fits most vehicles like cars, trucks, RV accessories, marine, travel trailers, and camping accessories for travel trailers.
- A fuse puller is included in the fuse box to help you change fuses easily.
- The fuses are clearly marked with amperage and color-coded for easy identification
- Provide amperage from 2A to 40A (32V rated current), you can always find the current suitable for your car
- Blade fuse is suitable for car, RV, truck, boat
- Includes both standard size & mini size & low profile mini and fuse puller
- Please use the right amp fuse to protect the vehicle and electronic equipment from short-circuit/overload
- ALL SIZES YOU NEED: Covers 8 commonly used blade fuses, 272 PCs, mini: 2A 5A 10A 15A 20A 25A 30A 35A Blade Fuses, commonly used in most auto cars, trucks, SUVS, boats etc.
- GREAT COMPATIBILITY: These assorted fuses are specifically designed for Car, Truck, SUV, ATV, UTV, Camper, RV, Motorcycles, Fleet, Golf Car, Boat, snowmobiles, and most general DC applications etc., covering such components as radio, light, turn signals, etc.
- EASY INSTALLATION: Transparent appearance for quick inspection of fuse conditions, they can be easily identified by their color-coded plastic housings and the carved amp rating figures on the top.
- FUSE PULLER: The fuse puller is included in the mini fuse box, help you easily replace the fuse.
- PACKAGE INCLUDE: 272pcs Standard & Mini & Low Profile Mini Blade Fuse Assortment with a fuse puller
- 【Fuse Kit】 2A/3A/5A/7.5A/10A/15A/20A/25A/30A/35A 12pcs each ,And comes with a fuse puller, Can be easily identified by its colour coded plastic casing and the rated current numbers engraved on the top
- 【Easy Installation】Various automotive fuse combination kits, In addition to colour coding, Current and voltage markings on the top of the fuse, its transparent housing ensures easy inspection and equipped with a fuse puller, Making it easier to replace the fuse.
- 【High Quality Material】 Made of high quality zinc alloy, ensuring good corrosion resistance, Durability and optimal performance, Which can quickly and accurately fuse the current to protect your vehicle and electrical equipment from short circuits and overloads.
- 【Widely Used】 Suitable for RVs, Cars, Trucks, Motorbikes, Campers, SUVs, Boatsand most general purpose DC applications, etc. The storage box schematic corresponds to each labelled compartment, And the fuse box has a locking mechanism to secure the fuses
- 【After-Sales Service 】 If you have any questions about our products, please feel to contact us. We will reply you within 24 hours and do our best to solve the problem until you are satisfied!
- 【Great Protection】:The Standard Car Fuse Kit includes 10 current specifications (2A /3A / 5A/ 7.5A/ 10A/ 15A/ 20A/ 25A/ 30A/ 35A/40A). These small blade fuse protect our vehicles from wiring damage, electrical overload, and potential fires. With superior conductivity, corrosion resistance and high current sensitivity our fuses have tested to specification and is guaranteed to work as designed.
- 【High-Quality Fuses】: Made of a high quality zinc alloy standard and an insulating plastic with a transparent cover, these blade fuses to protect your vehicle from short circuit and overload. The blades are sturdy and won’t break when pulling out.
- 【Wide Application】: Perfect or replacing the blown fuses at any time. This ATC/ATO/APR/ATS fuse kit is widely used in automobiles, trucks, VUS, VTT, UTV, RV, camper, motorcycles, golf carts, ships, snow motorcycles and for most general DC electrical devices including dash camera, radio, lighting, flickering, etc. Highly recommended to check the right size of automotive car fuse before making a purchase.
- 【Easy Use and Identify】: Transparent appearance for quick inspection of fuse conditions, each color of fuse is a specification the Standard Blade Car Fuses Assortment can be easily identified by their color-coded plastic housings and the carved amp rating figures on the top. The car spare fuse kit is packaged in a durable plastic package to protect the car Standard fuse and provide easy transportation and organization.
- ALL SIZES YOU NEED: Covers 11 commonly used blade fuses, 140pcs mini: 2A, 3A, 5A, 7. 5A, 10A, 15A, 20A, 25A, 30A,35A, 40A Blade Fuses, commonly used for most auto cars, trucks, SUVS, boats etc
- EASY INSTALLATION: Transparent appearance for quick inspection of fuse conditions, they can be easily identified by their color-coded plastic housings and the carved amp rating figures on the top
- GREAT COMPATIBILITY: These assorted fuses are specifically designed for Car, Truck, SUV, ATV, UTV, Camper RV, Motorcycles, Fleet, Golf Car, Boat, snowmobiles, and most general DC applications etc,covering such components as radio, light, turn signals, etc
- FUSE PULLER: The fuses puller is included in the mini fuses box, help you easily replace the fuse
- PACKAGE INCLUDE: 140pcs Low Profile Mini Blade Fuse Assortment with a fuse puller
Last update on 2025-04-16 / Affiliate links / Images from Amazon Product Advertising API
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Same issue on 2018 2500hd w/t. Switches already in but no connectors to put fuses in under the hood. Did replace fuse block? Any onsite? Thanks
Im trying to install the up fitter fuses into my 2015 silverado 1500 LT, i found the fuse spots but there is nothing in the slots for the fuse to grab to, will this not work with my truck, will i need a new under the hood fuse box, is it worth the time?