September 24, 2020 NHTSA CAMPAIGN NUMBER: 20V588000
Sensor Contamination in Electronic Brake Boost
If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.
NHTSA Campaign Number: 20V588
Manufacturer General Motors LLC
Components SERVICE BRAKES
Potential Number of Units Affected 3,317
Summary
General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.
Remedy
GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall is expected to begin November 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM’s number for this recall is A202307260.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Check if your Vehicle has a Recall
Frequently Asked Questions (FAQs) for Safety Recall A202307260 Loss of Brake Assist
These questions and answers are being provided to help GM dealers respond to inquiries from involved vehicle owners about the Safety recall identified above.
| Q1) | Which vehicles are involved? |
| A1) | 2020-2021 model year Buick Encore GX, 2020 model year Cadillac CT4, CT5, XT4, Chevrolet Corvette, and 2021 model year Chevrolet Trailblazer vehicles.
|
| Q2) | What is the issue or condition? |
| A2) | 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. 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.
|
| Q3) | What symptoms may be experienced? What warning signs may be associated with the issue or condition described? |
| A3) | If electronic brake boost assist is lost, a warning light and message may appear in the instrument panel and vehicle speed may be limited.
|
| Q4) | What is the remedy/repair? |
| A4) | Dealers will replace the electronic brake boost module.
|
| Q5) | What is the safety risk? Is the vehicle safe to drive? |
| A5) | If communication with the sensor is interrupted, electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.
|
| Q6) | Does the customer have to pay for this remedy/repair? |
| A6) | No, this inspection/repair will be done at no cost to the customer.
|
| Q7) | Is the remedy/repair available now? |
| A7) | No, when a remedy is available and/or sufficient quantity of parts are available, the recall bulletin will be released, and dealers can begin repairing vehicles.
|
| Q8) | What should customers do until recall repairs can be completed? Are there any special instructions? |
| A8) | If special instructions are provided, they will be included in the notification letters to customers.
|
| Q9) | How can customers check to see if their vehicle is involved in this field action? |
| A9) | Customers who own a vehicle involved in the field action will be notified by mail by General Motors, but they may also check their Vehicle Identification Number (VIN) for field actions in GM Owner Center at https://my.gm.com/recalls or via NHTSA’s website at https://vinrcl.safercar.gov/vin/.
|
| Q10) | If customers are concerned, can they get a rental car or courtesy transportation? |
| A10) | Courtesy transportation is available for customers whose vehicles are involved in this recall and are within the warranty coverage period for the warranty which is associated with this recall. Please refer to Warranty Administration Bulletin #17-NA-073: Field Action Courtesy Transportation Policy for further information.
|
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
7 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| BUICK | ENCORE GX | 2020-2021 |
| CADILLAC | CT4 | 2020 |
| CADILLAC | CT5 | 2020 |
| CADILLAC | XT4 | 2020 |
| CHEVROLET | CORVETTE | 2020 |
| CHEVROLET | TRAILBLAZER | 2021 |
4 Associated Documents
Manufacturer Notices(to Dealers,etc) – Stop Delivery Order for Upcoming Safety Recall A202307260
Loading...
Reload document
Open in new tab Recall Acknowledgement
RCAK-20V588-2007.pdf 244.447KB
Loading...Defect Notice 573 Report
RCLRPT-20V588-4713.PDF 217.287KB
Loading...Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall A202307260 Loss of Brake Assist
RMISC-20V588-1310.pdf 86.286KB
Loading...Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=20V588&docType=RCL
For the most up to date documents from NHTSA for this Recall, click the lick above
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Last update on 2020-10-23 / Affiliate links / Images from Amazon Product Advertising API
Last update on 2020-10-23 / Affiliate links / Images from Amazon Product Advertising API
