Product Safety Recall N202319030 Tires Overcured – 2020-2021 Buick Cadillac Chevrolet GMC

November 5, 2020 NHTSA CAMPAIGN NUMBER: 20V684000

Tires may have been Overcured

Overcured tires may experience a carcass break in the sidewall resulting in a sudden air loss or could develop a belt edge separation which could lead to partial or full tread/belt loss. Either condition increases the risk of a crash.

 

NHTSA Campaign Number: 20V684

Manufacturer General MotorseBay logo LLC

Components TIRES

Potential Number of Units Affected 7,516

 

Summary

General MotorseBay logo LLC (GM) is recalling certain 2020 BuickeBay logo Enclave, CadillaceBay logo XT5, GMC Acadia and ChevroleteBay logo Traverse vehicles and 2020-2021 ChevroleteBay logo Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were overcured.

 

Remedy

GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental, free of charge. The recall began December 17, 2020. Owners may contact GMC customer service at 1-888-988-7267, BuickeBay logo customer service at 1-866-608-8080, ChevroleteBay logo customer service at 1-800-222-1020 or CadillaceBay logo customer service at 1-800-458-8006. GM’s number for this recall is N202319030.

 

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

 


Condition

General MotorseBay logo has decided that a defect which relates to motor vehicle safety exists in certain Continental tires installed as original equipment on certain 2020 model year BuickeBay logo Enclave, CadillaceBay logo XT5, ChevroleteBay logo Traverse, and GMC Acadia, and 2020-2021 model year ChevroleteBay logo Silverado and GMC Sierra vehicles. According to the tire manufacturer, Continental Tires the Americas (CTA), the affected tires may have an overcure condition and CTA has initiated a safety recall for these tires. According to CTA, overcured tires may experience a carcass break in the sidewall with sudden air loss or could develop a belt edge separation which could lead to partial or full tread/belt loss. These conditions may increase the risk of a crash.

 

Correction

Dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental.

Parts

Quantity Part Name Part No.
As Required255/55 R20 107H Continental Cross Contact LX2084406073
As Required255/70 R17 112S General Grabber HTS23376686
As Required235/65 R18 106H Continental Cross Contact LX Sport84458189

 

Service Procedure 

This procedure involves inspecting the tire sidewall for manufacturing information. The mold number, in parenthesis along with the last four numbers in the DOT stamp (Date Code) indicate if the tire is involved in this recall. See the examples in the photographs below.

 

Tire Information Chart 

Model Affected PN Affected DOT wk(s) – Mold # combination
Silverado, Sierra23376686  3020 – 418570
Enclave, Traverse844060730120 – 421241

0220 – 421238

0420 – 421246

0820 – 421236

Acadia, XT5844581890220 – 418538

0220 – 415347

 

The tires must contain the exact DOT week and mold number combination as specified in the chart above. There is only one possible combination for Silverado/Sierra, there are only 4 possible combinations for Enclave/Traverse and there are only 2 possible combinations for Acadia/XT5. Traverse and Enclave

  1. Inspect the tire sidewall as shown and verify the mold number (1) and DOT week (2).
  2. If the mold number and DOT date match the Affected DOT wk(s) – Mold # combination in the tire information chart, replace the tire.

 

Acadia, XT5

  1. Inspect the tire sidewall as shown and verify the mold number (2) and DOT week (1).
  2. If the mold number and DOT date match the Affected DOT wk(s) – Mold # combination in the tire information chart, replace the tire.

 

Silverado and Sierra

  1. Inspect the tire sidewall as shown and verify the mold number (2) and DOT week (1).
  2. If the mold number and DOT date match the Affected DOT wk(s) – Mold # combination in the tire information chart, replace the tire.

 


Frequently Asked Questions (FAQs) for Safety Recall N202319030 Tires Overcured

 

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?

General MotorseBay logo has decided that a defect which relates to motor vehicle safety exists in certain Continental tires installed as original equipment on certain 2020 model year BuickeBay logo Enclave, CadillaceBay logo XT5, ChevroleteBay logo Traverse, and GMC Acadia, and 2020-2021 model year ChevroleteBay logo Silverado and GMC Sierra vehicles.

 

Q2)What is the issue or condition?

According to the tire manufacturer, Continental Tires the Americas (CTA), the affected tires may have an overcure condition and CTA has initiated a safety recall for these tires.

 

Q3) What symptoms may be experienced?  What warning signs may be associated with the issue or condition described?

Tires may experience a sudden air loss without warning while others may exhibit visible localized tread wear which may manifest as excessive vibration and/or bulging in the tread area.

 

Q4) What is the remedy/repair?

Dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental.

 

Q5) What is the safety risk?  Is the vehicle safe to drive?

According to CTA, overcured tires may experience a carcass break in the sidewall with sudden air loss or could develop a belt edge separation which could lead to partial or full tread/belt loss.  These conditions may increase the risk of a crash.

 

Q6) Does the customer have to pay for this remedy/repair?

No, this inspection/repair will be done at no cost to the customer.

 

Q7) Is the remedy/repair available now?

Yes, the remedy/repair is available now, please see the attached bulletin for details.

 

Q8) What should customers do until recall repairs can be completed?  Are there any special instructions?

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?

Customers who own a vehicle involved in the field action will be notified by mail by General MotorseBay logo, 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?

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.

 



8 Affected Products

Vehicles

MAKEMODELYEAR
BUICKeBay logoENCLAVE2020
CADILLACeBay logoXT52020
CHEVROLETeBay logoSILVERADO 15002020-2021
CHEVROLETeBay logoTRAVERSE2020
GMCACADIA2020
GMCSIERRA 15002020-2021

 


19 Associated Documents

Owner Notification Letter(Part 577)

RCONL-20V684-7003.pdf 124.63KB

 


Defect Notice 573 Report

RCLRPT-20V684-6631.PDF 217.079KB

 


Safety Bulletin

RCSB-20V684-6106.pdf 553.627KB

 


Recall Acknowledgement

RCAK-20V684-3701.pdf 287.197KB

 


Manufacturer Notices(to Dealers,etc) – Dealer Notification re N202319030 – Safety Recall Tires Overcured

RCMN-20V684-5229.pdf 59.137KB

 


Recall Quarterly Report #1, 2020-4

RCLQRT-20V684-6166.PDF 211.136KB

 


Recall Quarterly Report #3, 2021-2

RCLQRT-20V684-0279.PDF 211.326KB

 


Safety Bulletin Re N202319030 Tires Overcured

RCSB-20V684-4611.pdf 656.629KB

 


Manufacturer Notices(to Dealers,etc) – Dealer Notification re N202319030-01 – Safety Recall Tires Overcured Revised Service Procedure, Warranty Claim, Tire Return and Customer Letter Added

RCMN-20V684-9906.pdf 57.385KB

 


Recall Quarterly Report #2, 2021-1

RCLQRT-20V684-9663.PDF 211.235KB

 


Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall N202319030 Tires Overcured

RMISC-20V684-8002.pdf 35.439KB

 


Safety Bulletin re N202319030 Tires Overcured

RCSB-20V684-9060.pdf 629.883KB

 


Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall N202319030 Tires Overcured

RMISC-20V684-3013.pdf 35.443KB

 


Manufacturer Notices(to Dealers,etc) – Dealer Message re REVISION – N202319030-02 – Safety Recall Tires Overcured

RCMN-20V684-2132.pdf 62.209KB

 


Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall N202319030 Tires Overcured

RMISC-20V684-8276.pdf 35.439KB

 


Safety Bulletin – Product Safety Recall N202319030 Tires Overcured.

RCSB-20V684-0762.pdf 716.579KB

 


Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall N202319030 Tires Overcured

RMISC-20V684-6428.pdf 35.443KB

 


Manufacturer Notices(to Dealers,etc) – REVISION – N202319030-03 – Safety Recall Tires Overcured Revised Service Procedure

RCMN-20V684-8113.pdf 61.465KB

 


Recall Quarterly Report #4, 2021-3

RCLQRT-20V684-8163.PDF 211.429KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=20V684&docType=RCL

 


 

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Last update on 2026-06-19 / Affiliate links / Images from Amazon Product Advertising API


 

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