N232426400 – Tailgate May Open Unexpectedly – 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 & 3500

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Reference Number: GCUS-3-3130
Stop Delivery Order for Safety Recall N232426400 – Tailgate May Open
Unexpectedly
GLOBAL SAFETY FIELD INVESTIGATIONS
DCS6780
URGENT – DISTRIBUTE IMMEDIATELY
Date: February 1, 2024
Subject: Stop Delivery Order for Safety Recall N232426400
Tailgate May Open Unexpectedly
Models: 2020-2024 Chevrolet Silverado Heavy Duty (2500/3500 series)
2020-2024 GMC Sierra Heavy Duty (2500/3500 series)
Equipped with GATE FUNCTION-MANUAL ASSIST POWER RELEASE (RPO QT5)
To: All General Motors Dealers
STOP DELIVERY ORDER
Effective immediately, stop the delivery of certain 2020 – 2024 model year Chevrolet Silverado Heavy Duty
(2500/3500 series) and GMC Sierra Heavy Duty (2500/3500 series) vehicles in new or used vehicle
inventory. General Motors has notified the National Highway Traffic Safety Administration (NHTSA) about a safety
recall that involves these vehicles. The GM recall number is N232426400.
It is a violation of federal law for a dealer to deliver a new motor vehicle or any new or used item of motor vehicle
equipment (including a tire) covered by this notification until the defect is remedied.
General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2020 – 2024 model
year Chevrolet Silverado Heavy Duty (2500/3500 series) and GMC Sierra Heavy Duty (2500/3500 series) vehicles
equipped with power-unlatching tailgates. Under certain conditions water may intrude into these vehicles’
tailgates and come into contact with the electronic gate-release switch, potentially causing a short circuit. The
gate may inadvertently unlatch while the vehicle is in Park. If the driver does not manually close the gate before
beginning a drive, cargo in the bed of the truck may exit the vehicle and become a road hazard, increasing the risk
of a crash. Until the recall is completed, owners should check that the tailgate closed and latched before driving.
Parts are not currently available, but when parts are available, dealers will replace the exterior touchpad switch
assemblies.
Until further instructions are received, involved vehicles that are in dealers’ possession (new or used vehicle
inventory, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc.) must be held and not
delivered to customers, dealer-traded, released to auction, used for demonstration purposes or any other dealer
use. All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory
System (CPOIS) will be de-certified.
The Investigate Vehicle History (IVH) screen in the Global Warranty Management (GWM) system has been updated
for this recall. This action has been taken to assist dealers with determining which vehicles are involved so they
can properly respond to customer inquiries.
A list of involved vehicles that have been identified as being in dealer new vehicle inventory is attached to this
message. It is sorted by dealer Business Associate Code (BAC) for easy reference. Your dealership’s BAC will not be
listed if none of the involved vehicles are currently in your new vehicle inventory. To identify involved vehicles in
dealer used inventory, run an Open VIN Report or Field Action Initiation Report using Field Action Reports-GFAM
within the Maxis Dealer Application in GlobalConnect.
Frequently Asked Questions Document (FAQs)
Attached to this message you will find a document that addresses the most likely questions customers may have
regarding this Safety Recall. Please use this information as an aid to confidently answer customer concerns.
Until the recall bulletin is released, the Investigate Vehicle History (IVH) screen in the Global Warranty
Management (GWM) system will display “02/01/2024” under Release Date and “Incomplete – Remedy Not
Available” under Status. This means the required repair is not yet available and dealers should not attempt to
perform any repairs.
We are working with the supplier to obtain the required parts as quickly as possible. When a sufficient quantity of
parts are available, the recall bulletin will be released and dealers can begin repairing vehicles.
END OF MESSAGE
GLOBAL SAFETY FIELD INVESTIGATIONS

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24V-060
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
General Motors, LLC FEB 01, 2024 NHTSA Recall No. : 24V-060 Manufacturer Recall No. : N232426400 Manufacturer Information :
Manufacturer Name : General Motors, LLC Address : 29427 Louis Chevrolet Road
MAIL CODE 480-210-2V WARREN MI 48093
Company phone : 586-596-1733
Population :
Number of potentially involved : 323,232 Estimated percentage with defect : 1 %
Vehicle Information : Vehicle 1 : 2020-2024 Chevrolet Silverado 2500/3500 Vehicle Type :
Body Style :
Power Train : NR
Descriptive Information : Manufacturing records were used to determine the affected population. Only 2500/3500 (HD) series vehicles that are equipped with the manual gate with power lock and release (RPO QT5) are affected by this recall. HD series vehicles with other tailgate configurations are not affected by this recall. There are 128,966 Chevrolet Silverado 2500/3500 (HD) vehicles affected by this recall. Production Dates : SEP 08, 2020 – MAY 16, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2020-2024 GMC Sierra 2500/3500 Vehicle Type :
Body Style :
Power Train : NR
Descriptive Information : Manufacturing records were used to determine the affected population. Only 2500/3500 (HD) series vehicles that are equipped with the manual gate with power lock and release (RPO QT5) are affected by this recall. HD series vehicles with other tailgate configurations are not affected by this recall. There are 194,266 GMC Sierra 2500/3500 (HD) vehicles affected by this recall. Production Dates : SEP 03, 2020 – MAY 12, 2023
VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 24V-060 Page 2 Description of Defect :
Description of the Defect : General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2020 – 2024 model year Chevrolet Silverado Heavy Duty (2500/3500 series) and GMC Sierra Heavy Duty (2500/3500 series) vehicles equipped with power-unlatching tailgates. Under certain conditions water may intrude into these vehicles’ tailgates and come into contact with the electronic gate-release switch, potentially causing a short circuit. The gate may inadvertently unlatch while the vehicle is in Park.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : If the driver does not manually close the gate before beginning a drive, cargo in the bed of the truck may exit the vehicle and become a road hazard, increasing the risk of a crash. Until the recall is completed, owners should check that the tailgate closed and latched before driving.
Description of the Cause : Under certain circumstances the tailgate design permits water to intrude into the gate, which in combination with an unsealed switch can result in a short circuit. Identification of Any Warning
that can Occur : Customers may notice the tailgate has inadvertently opened. Involved Components : Component Name 1 : SWITCH ASM-L/GATE EXTR REL Component Description : Liftgate/Tailgate Assembly Release Switch Component Part Number : 85521471, 85521472, 84758464, 84758465 Supplier Identification : Component Manufacturer
Name : LS Automotive Tech Address : 5700 Crooks Rd, Suite 101
Troy Michigan 48098
Country : United States Chronology : The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24V-060
Page 3
The information contained in this report was submitted pursuant to 49 CFR §573
GM opened a product investigation into this issue on November 21, 2023 after receiving complaints of unwanted tailgate opening with respect to vehicles incorporating the same unsealed tailgate-release switch. GM’s analysis and testing determined that the tailgate design in the subject vehicles was susceptible to water intrusion in the location of the switch. GM’s analysis of potentially-related field incidents, completed on January 5, 2024, identified 136 complaints that alleged an unwanted tailgate opening “while driving.” However, the control logic in the body control module (BCM) would prevent release of the tailgate latch when the vehicle is in gear, even if the BCM receives a release signal from the exterior touchpad switch. Accordingly, these complaints are likely attributable to the tailgate releasing while in Park before beginning a drive. The complaints were received by GM between September 1, 2020 and August 1, 2023. Among the complaints were one allegation of minor injury and three complaints of minor property damage. On January 25, 2024, GM’s Safety Field Action Decision Authority (SFADA) decided to conduct a safety recall.
Description of Remedy :
Description of Remedy Program : Dealers will replace the exterior touchpad switch assemblies.
Pursuant to 577.11, GM will provide reimbursement to owners for repairs according to the plan submitted on May 12, 2023. How Remedy Component Differs from Recalled Component :
Identify How/When Recall Condition was Corrected in Production : Replacement parts use a new material that improves resistance to water intrusion.
Improvements to the top housing material of the switch were fully implemented in GM plants by August 1, 2023. Recall Schedule :
Description of Recall Schedule : Dealers will be notified on February 1, 2024. Owner interim notification
is estimated to begin on March 18, 2024. GM will provide an estimate for owner notification of an available remedy once an estimate is available.
Planned Dealer Notification Date : FEB 01, 2024 – FEB 01, 2024
Planned Owner Notification Date : MAR 18, 2024 – MAR 18, 2024
* NR – Not Reported

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