Engineering Information - No Trailer Lights, No Brake Lights And/or Trailer Tow Receptacle Is Loose - 2020-2021 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

NHTSA ID Number: 10187733

Manufacturer Communication Number: PIE0584A

Summary

This engineering information (EI) is requesting information from technicians to provided the engineers listed in regards to No Trailer Lights, No Brake Lights and/or Trailer Tow Receptacle is Loose.

4 Affected Products

Vehicles


MAKE	MODEL	YEAR
CHEVROLET	SILVERADO 2500	2020-2021
GMC	SIERRA 2500	2020-2021

1 Associated Document

Manufacturer Communications

PIE0584A

https://www.nhtsa.gov/recalls?nhtsaId=10187733

MC-10187733-9999.pdf 51.927KB

⬇ Download PDF (50.71 KB)

Bestseller No. 1

Oyviny 7 Pin Trailer Plug Tester & 4 Pin Trailer Tester with Double-Sided LED Indicators, Trailer Light Tester for Boat Trailer RV Truck Camper, Not Suitable for Vehicle with Lamp Out Sensor

2 in 1 Design: This trailer wiring tester combines both 4 pin flat and rv blade 7 pin trailer light tester, allows you to test both the 4 and 7 pin trailer connectors; Note: This trailer tester does NOT work with vehicle has a lamp-out sensor
Upgraded Double-Sided LED Indicators: 4pin & 7 pin trailer circuit tester designed with LEDs on both sides, Unlike the other testers only have one side leds, which make it hard to read; A great tool to help troubleshoot issues or verify you have install or fixed your trailer plug correctly
6 Light Functions: Versatile trailer connector tester can be used to test 6 separate trailer light functions, quickly confirm the functionality of taillights, brake lights, reverse lights, turn signals, electric trailer brakes and 12V auxiliary power on your vehicle
Bright LED Indicators: Trailer hitch tester equips a LED light for each electrical function; Plugging the light tester and check, you can easily read the green LEDs and find out which wiring has a problem
Durable Construction: For long-lasting use, this 7 blade RV trailer tester is made from durable ABS plastic, which will never rust or corrode, Tin-Plated copper terminals makes great conductivity

SaleBestseller No. 2

True Mods 4-Way Flat Trailer Wiring Tester [Nickel-Plated Copper Terminals] [Male & Female] [Continuity Test] 4-Pin Trailer Light Wire Circuit Tester

STRAIGHTFORWARD TRAILER LIGHT TESTING - Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.
ISOLATE PROBLEMS QUICKLY- By effectively splitting the trailer wiring harness in half, problems can be quickly traced to the tow vehicle side or the trailer side wiring.
NO TOOLS NEEDED - Plug-n-play design means you don't need anything else to effectively test your trailer light harness.
LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service.
CONVENIENT COMPACT DESIGN -The two-sided design means you can leave it plugged in or store it conveniently in your glove box, door pocket, or tool box.

Bestseller No. 3

WUSHIXAN Trailer Light Tester, 7 Pin Trailer Plug Testerwith Red LED, 7 Way Trailer Plug Testerfor Diagnosing and Fixing Trailer Socket Circuit Problems

【HIGH QUALITY】Trailer Tester is Made of High-quality ABS Plastic and Copper, with a Black Matte Exterior Shell for Optimal Weather, Corrosion and Impact Resistance for Long-term Use.
【MULTI-FUNCTION】7 Pin Trailer Tester can Test Tail Lights, Brake Lights, Reverse Lights, Turn Signals, Brakes and Auxiliary Power.
【COMPATIBILITY】Trailer Wiring Tester is Compatible with Standard 7-way Blade Trailer Outlets. 7 Pin Trailer Plug Size: 5.2x2.96x1.63 Inches (13x7.5x4.1CM).
【SUPERIOR CONDUCTIVITY】 7 Way Trailer Plug Uses High Quality Brass Pins to Ensure a Safe and Stable Electrical Signal Connection between the Plug and the Trailer. The Trailer Light Adapter Features 6 Bright LED Indicators. Each Indicator is Clearly and Distinctly Labeled, Allowing you to Quickly Identify Working and Faulty Circuits at a Glance.
【EASY TO USE】 Plug 7 Prong Trailer Plug into the Trailer or Adapter, Turn on the Lights, and Check the Easy-to-read LEDs, Plug and Play.

Bestseller No. 4

UHANBUT 4-Way Flat Trailer Wiring Tester, 4-Pin Double End Male & Female Plug Trailer Light Tester with Indicators, Circuit Connector Testing Tool for Turn Signal Tail Lights Troubleshooting

【4-Way Trailer Tester】: This 4-pin trailer plug tester is specially designed for diagnosing trailer lighting issues. It can connect to standard 4-pin trailer wiring harnesses, accurately locate system fault points, and test trailer lights, avoiding blind troubleshooting and improving the accuracy and efficiency of fault diagnosis.
【Plug & Play】: This trailer light line tester is easy to operate. Simply insert the tester into the 4-pin flat trailer connector on the trailer to easily check the working status of the circuit wiring and test whether taillights, turn signal lights, etc., are operating normally. When the circuit is operating normally, all LED indicators will light up.
【Bright LED Indicators】: This 4-pin trailer plug tester is equipped with LED indicators. Lights of different colors represent different circuits, allowing you to easily identify faulty circuits by reading the LED indicators and saving maintenance time.
【Sturdy Construction】: This trailer light line tester is made of high-quality ABS material, which is tough, wear-resistant, corrosion-resistant, and not easily damaged, ensuring long-term use. The copper terminals offer good electrical conductivity, enabling stable transmission of test signals. It also comes with a dust cover to block dust and moisture, extending the tester's service life.
【Wide Application】: This 4-pin trailer plug tester has a wide range of applications, suitable for various vehicles such as cars, boats, and trailers. It is compact and does not take up much space, allowing you to easily store it in a toolbox or any portable location.

SaleBestseller No. 5

65 Reviews

Trailer Light & Electric Brake Tester with 12V 10Ah Battery, Tests 7-Spade, 6-Round and 4/5-Flat Pin Type Trailer Harnesses, Upgrade Wireless Remote Control, IP68 Waterproof Case

Wireless Remote Control Operation: The Zuomeng trailer tester box with battery is equipped with a wireless remote control, allowing you to operate the tester remotely, eliminating the need for running back and forth or working with multiple people, saving time, improving work efficiency, and easily completing testing.
Wide Compatibility: The trailer light tester box is compatible with various 7-way flat (spade) connectors and comes with 6-way round pin and 4/5-pin connectors, easily meeting the testing needs of various types of trailers.
Safe and Convenient: Equipped with short-circuit protection and overload protection functions, effectively preventing equipment damage and ensuring safe use. At the same time, it has a built-in 12V 10Ah lithium iron phosphate rechargeable battery, which can be used in remote areas without an external power source.
Comprehensive Electrical System Testing: The trailer light tester can test electric brakes as well as all trailer lighting functions, including turn signals, brake lights, tail lights, and reverse lights, accurately verifying wiring settings to ensure the safety and reliability of the trailer’s electrical system.
Sturdy and Durable: Features metal socket construction for enhanced durability, along with a sturdy waterproof carrying case design that is sun-proof, drop-resistant, high-temperature-resistant, and shock-resistant, capable of withstanding harsh working conditions.