Safety Recall A202307260 Loss of Brake Assist - 2020-2021 Buick Cadillac Chevrolet

GLOBAL SAFETY FIELD INVESTIGATIONS
DCS5519
URGENT - DISTRIBUTE IMMEDIATELY
Date: September 24, 2020
Subject: Stop Delivery Order for Upcoming Safety Recall A202307260
Models: 2020-2021 Buick Encore GX, 2020 Cadillac CT4, CT5, XT4, Chevrolet Corvette, and 2021 Trailblazer
To: All General Motors Dealers
STOP DELIVERY ORDER
Effective immediately, stop the delivery of certain 2020-2021 model year Buick Encore GX, 2020 model year Cadillac CT4, CT5, XT4, Chevrolet Corvette, and 2021 model year Chevrolet Trailblazer vehicles in new or used vehicle inventory. General Motors has notified the National Highway Traffic Safety Administration (NHTSA) about an upcoming safety recall that involves these vehicles. The GM recall number is A202307260.
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.
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 will be updated for this upcoming recall on September 24, 2020. 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. A file identifying involved vehicles in dealer used inventory will be published in GM GlobalConnect, under the Service tab in Field Action Inventory Reports.
Question and Answer Document (Q&A)
Attached to this message you will find a document that addresses the ten 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 "N/A" under Release Date
and "Incomplete – Remedy not yet 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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Representative Letter – Customer letters are brand, model and model year specific; listing the 17-digit VIN and are personalized.
IMPORTANT SAFETY RECALL
November 2020
This notice applies to your vehicle, VIN: __________________________________
Dear General Motors Customer:
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2020 model year Cadillac CT4, CT5 and XT4 vehicles, 2020 model year Chevrolet Corvette vehicles, 2020 – 2021 model year Buick Encore GX vehicles, and 2021 model year Chevrolet Trailblazer vehicles. As a result, GM is conducting a safety recall. We apologize for this inconvenience. However, we are concerned about your safety and continued satisfaction with our products.
IMPORTANT
• Your vehicle is involved in GM safety recall A202307260.
Why is your vehicle being recalled?
Material used in a sensor connection in the electronic brake boost system in these vehicles may have been contaminated during the material supplier’s production process. Contamination of this material may cause an interruption of communication between the sensor and the brake boost system under certain conditions. If communication with the sensor is interrupted, electronic brake boost assist could be lost. If electronic brake boost assist is lost, a warning light and message may appear in the instrument panel and vehicle speed may be limited. Extra pedal force would be required to slow and stop the vehicle, increasing the risk of a crash.
What will we do?
Parts to repair your vehicle are not currently available, but when parts are available, your GM dealer will replace the electronic brake boost module. This service will be performed for you at no charge.
We are working as quickly as possible to correct this condition. When parts are available, we will send you another letter asking you to take your vehicle to your GM dealer to have your vehicle serviced. You can also check the status of this recall at: https://my.gm.com/recalls.
Do you have questions?
If you have questions or concerns that your dealer is unable to resolve, please contact the appropriate Customer Assistance Center at the number listed below.
Division
Number
Text Telephones (TTY)
Buick
1-866-608-8080
1-800-832-8425
Cadillac
1-866-982-2339
1-800-833-2622
Chevrolet
1-800-630-2438
1-800-833-2438
Puerto Rico – English
1-800-496-9992
Puerto Rico – Español
1-800-496-9993
Virgin Islands
1-800-496-9994
If after contacting your dealer and the Customer Assistance Center, you are still not satisfied we have done our best to remedy this condition without charge and within a reasonable time, you may wish to write the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE., Washington, DC 20590, or call the toll-free Vehicle Safety Hotline at 1.888.327.4236 (TTY 1.800.424.9153), or go to http://www.safercar.gov. The National Highway Traffic Safety Administration Campaign ID Number for this recall is 20V588.
Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days.
Maryann Combs
Vice President
Global Vehicle Safety
GM Recall: A202307260

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GLOBAL SAFETY FIELD INVESTIGATIONS
DCS5545
URGENT - DISTRIBUTE IMMEDIATELY
Date: October 16, 2020
Subject: Stop Sale Added Population for Upcoming Safety Recall A202307260
Models: 2020-2021 Buick Encore GX, 2020 Cadillac CT4, CT5, XT4, Chevrolet Corvette, and 2021 Trailblazer
To: All General Motors Dealers
STOP DELIVERY ORDER
On September 24, 2020, GM dealers were notified via GlobalConnect Message GCUS-3-1921 regarding the Stop Sale for Upcoming Safety Recall A202317260. Please be advised that an additional population of 486 vehicles has been discovered after careful VIN analysis of this field action.
Effective immediately, stop the delivery of certain 2020-2021 model year Buick Encore GX, 2020 model year Cadillac CT4, CT5, XT4, Chevrolet Corvette, and 2021 model year Chevrolet Trailblazer vehicles in new or used vehicle inventory. General Motors has notified the National Highway Traffic Safety Administration (NHTSA) about an upcoming safety recall that involves these vehicles. The GM recall number is A202307260.
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.
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 will be updated for this upcoming recall on September 24, 2020. 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 the added vehicles in dealer new inventory is attached to this message. The original list sent on September 24, 2020 of vehicles in dealer new inventory is also attached to this message for your reference. 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. A file identifying involved vehicles in dealer used inventory will be published in GM GlobalConnect, under the Service tab in Field Action Inventory Reports.
Question and Answer Document (Q&A)
Attached to this message you will find a document that addresses the ten 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 "N/A" under Release Date and "Incomplete – Remedy not yet 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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GLOBAL SAFETY FIELD INVESTIGATIONS DCS5595 URGENT - DISTRIBUTE IMMEDIATELY Date: December 2, 2020 Subject: A202307261 - Safety Recall Loss of Brake Assist Additional VINs moved from A202307260 to A202307261 Models: 2020 Cadillac CT4 2020 Cadillac CT5 2021 Chevrolet Trailblazer To: All General Motors Dealers General Motors released Safety Recall A202307261 on November 23, 2020. At that time, the total number of U.S. vehicles involved was approximately 959. On November 25, 2020, 359 additional U.S. VINs were moved from field action # A202307260 to A202307261 and were put into “Open" status. Vehicles involved in this recall were placed on stop delivery September 24, 2020 under field action # A202307260. Once the service procedure contained in A202307261 has been performed on the vehicle, the vehicle is released from stop delivery and the vehicle can be delivered to the customer. Question and Answer Document (Q&A) Attached to this message you will find a document that addresses the ten most likely questions customers may have regarding this Safety Recall. Please use this information as an aid to confidently answer customer concerns. Customer Letter Mailing The customer letter mailing will begin December 07, 2020. Global Warranty Management (GWM) The Required Field Action section on the Investigate Vehicle History (IVH) screen was updated November 26, 2020. A list of involved vehicles in dealer new inventory is attached to this message. Involved vehicles are marked “open" on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs. END OF MESSAGE GLOBAL SAFETY FIELD INVESTIGATIONS