N212329780 – Spare Tire is Incorrect Size – 2020-2021 Chevrolet Silverado & GMC Sierra 2500

SEOCONTENT-START
IMPORTANT SAFETY RECALL September 2021 The applicable Vehicle Identification Number (VIN) can be found on the address label of the envelope. 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 – 2021 model year Chevrolet Silverado 2500 and GMC Sierra 2500 vehicles equipped with a 17” spare tire and either (i) the 20” accessory road tire or (ii) the 18” accessory road tire. 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 N212329780. Why is your vehicle being recalled? If the 17” spare tire is installed at one of the rear locations in these vehicles while one of the listed accessory tires is installed in the other rear location, differences in revolutions per kilometer (RPK) between the rear tires may prevent the anti-lock braking system (ABS) from controlling the rear wheels independently on low friction surfaces. The difference in revolutions per kilometer between the 17” spare tire and the 18” or 20” accessory road tires exceeded internal guidelines. If the ABS system cannot control the rear wheels independently on low friction surfaces, there is an increased 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 provide an 18” spare tire and wheel assembly to owners and will also provide a new spare tire information label to replace the existing tire placard label. This service will be performed for you free of 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) Chevrolet 1-800-630-2438 1-800-833-2438 GMC 1-866-996-9463 1-800-462-8583 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 https://www.safercar.gov. The National Highway Traffic Safety Administration Campaign ID Number for this recall is 21V578. Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. Vice President Global Product Safety and Systems GM Recall N212329780
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Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
Copyright 2022 General Motors. All Rights Reserved. Page 1 of 14
Release Date:
January 2022
Revision:
01
Revision Description:
The parts information has been updated in this bulletin. Please discard all previous copies of N212329780.
Attention:
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 under a sale or lease until the defect or noncompliance is remedied.
Vehicles involved in this recall were placed on stop delivery July 29, 2021. Once the service procedure contained in this bulletin has been performed on the vehicle, the vehicle is released from stop delivery and the vehicle can be delivered to the customer.
All involved vehicles that are in dealer inventory must be held and not delivered to customers, dealer traded, or used for demonstration purposes until the repair contained in this bulletin has been performed on the vehicle.
Make
Model
Model Year
RPO
Description
From
To
Chevrolet
Silverado 2500
2020
2021
ZHQ OR ZXT
Tire Spare-LT245/75R17 E 121/118 R BW ALS
OR
Tire Spare-LT265/70R17/E BW TL
GMC
Sierra 2500
2020
2021
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.
Condition
General Motors has decided that a defect, which relates to motor vehicle safety, exists in certain 2020 – 2021 model year Chevrolet Silverado 2500 and GMC Sierra 2500 vehicles equipped with a 17” spare tire (RPO ZHQ or ZXT) and either (i) the 20” accessory road tire (RPO REM) or (ii) the 18” accessory road tire (RPO Q2V). The GM recall number is N212329780. If the 17” spare tire is installed at one of the rear locations in these vehicles while one of the listed accessory tires is installed in the other rear location, differences in revolutions per kilometer (RPK) between the rear tires may prevent the anti-lock braking system (ABS) from controlling the rear wheels independently on low friction surfaces. If the ABS system cannot control the rear wheels independently on low friction surfaces, there is an increased risk of a crash.
Correction
Dealers will provide an 18” spare tire and wheel assembly to owners who purchased the 20” or 18” accessory road tires. Dealers will also apply a new spare tire information label over the existing tire placard label. Owners will also be provided an Owner’s Manual insert explaining the 18” spare tire that should be used with 18” or 20” accessory road tires and the 17” spare tire should be used with the 17” original tires.
Parts
Quantity
Part Name
Part No.
1
WHEEL-18 X 8.0, J, STEEL
9597730
1
TIRE LT275/70R18 E 125/122 S BW AT
23376704
1
STEM ASM – TIRE VALVE
9593595
1
SPARE TIRE OVERLAY LABEL FOR TIRE PLACARD
212329780*
2
STRAP, SPA WHL STOW
84275188
US Dealers:
If you have concerns acquiring replacement tires through your normal process, please call the GM Tire Program at 1-877-728-4737.
* The spare tire label overlays will be mailed directly to the customers. If required, additional labels required to complete this recall are to be ordered online, through the GM 1Store via GlobalConnect. Please log in and order the label using item number 212329780 or the bulletin number N212329780. The label will be provided at no charge. If a VIN is not involved with this recall, a label will not be available or provided.
Canada Dealers:
If you have concerns acquiring replacement tires through your normal process, please call their Continental Rep or 1-855-453-1962.
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
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Export Dealers:
All export dealers are required to submit their involved vehicle claims once completed in cooperation with the local Continental Tire Distributor. Follow the documentation instructions later in this bulletin.
Reminder: Parts may be removed from Retail Inventory Management (RIM). Dealers should review the affected parts to confirm RIM managed status. Parts may have quantity limiters in effect.
Warranty Information
Labor Operation
Description
Labor Time
Trans. Type
Net Item
9105872
Replace Spare Wheel and Tire Assembly, Install Label Overlay and Secure Alternate Spare Tire in Cargo Bed (Use with Case #1)
0.9
ZFAT
N/A
9106007
Secure the 18” Service Spare Tire and Wheel Assembly in Cargo Bed, Leave the 17” Spare Tire and Wheel Assembly in the Spare Tire Carrier, Provide Customer with Label Overlay (Use with Case #2 and #3)
0.8
ZFAT
N/A
Owner Refusal of Repair Documentation
Condition
Case # 1, 2 or 3 Repairs performed in full, use the above labor operation information to CLOSE the Field Action.
If the customer for some reason declines the 17” spare (in case 1 below), the Service Action Refusal form should be completed. Use the above labor operation information to CLOSE the Field Action.
If the customer for some reason declines the 18” spare (in any of the cases below), then the Service Action Refusal form should be completed, and the Field Action should remain OPEN.
If the customer declines having the repair performed in full, use the N212329780 Field Action Vehicle Service Action Refusal Form at the end of this document. Dealers can also access a copy of this form in GlobalConnect under Service Forms at https://dealer.autopartners.net/sites/usserviceforms, titled “Field Action Status Change Form Specific to Safety Recall N212329780 (Customer Refusal)”.
Service Procedure
5908467
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
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5908479
TPC Location (1)
5908474
20” Goodyear Wrangler Trailrunner LT275/65R20 Sidewall Information
5908482
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N212329780 Mismatched Spare Tire – US Only
Page 4 of 14
5908483
TPC Location (1)
5908484
18” Michelin LTX A/T2 LT275/70R18 Sidewall Information
5908655
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N212329780 Mismatched Spare Tire – US Only
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5908690
TPC Location (1)
5908671
17” Firestone Transforce HT LT265/70R17 Sidewall Information
5908655
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
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5908688
TPC Location (1)
5908671
17” Firestone Transforce HT LT245/75R17 Sidewall Information
Wheel Size
Tire Brand
Tire Model
Tire Description
Tire TPC#
17”
FIRESTONE
TRANSFORCE HT
LT245/75R17 E 121/118R BW ALS
2029 MS
17”
FIRESTONE
TRANSFORCE HT
LT265/70R17 E 121/118 Q BW AT
2371
18”
MICHELIN
LTX A/T2
LT275/70R18 E 125/122 S BW AT
2373
20”
GOODYEAR
WRANGLER TRAILRUNNER
LT275/65R20 E126/123 S BW AT
2370
Tire Sidewall Information
Inspect the four road tires installed on the vehicle:
Case #1 Inspection and Actions:
1. Is the vehicle equipped with OEM 20” or 18” accessory road tire? See the photograph images and table information above to identify these tires by locating and inspecting the TPC number on the sidewalls of the tires. TPC numbers are 2370 for the OEM 20” accessory road tires and 2373 for the OEM 18” accessory road tires.
2. If yes, replace the existing 17” spare tire and wheel assembly that is in the spare tire and wheel carrier under the truck with a new 18” spare tire and wheel assembly.
3. Place the original 17” spare tire and wheel assembly that the vehicle was built with in the cargo bed of the truck and restrain it with two straps. The customer needs to re-install this original 17” spare tire and wheel assembly in the vehicle the spare tire and wheel carrier under the truck whenever they transition back to the OEM 17” production road tires.
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
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4. Install the spare tire overlay label for the newly installed 18” spare tire and wheel assembly on top of the existing tire placard label. See the instructions for installing the spare tire overlay label.
Case #2 Inspection and Actions:
1. Is the vehicle equipped with OEM 17” production road tires? See the photograph images and table information above to identify these tires by locating and inspecting the TPC number on the sidewalls of the tires. TPC numbers are either 2029 MS or 2371 for the OEM 17” production road tires.
2. If yes, do not replace the existing 17” spare tire and wheel assembly that is in the spare tire and wheel carrier under the vehicle with a new 18” spare tire and wheel assembly.
3. Place the new 18” spare tire and wheel assembly in the cargo bed of the truck and restrain it with two straps. The customer needs to install the 18” spare tire and wheel assembly in the vehicle spare tire and wheel carrier under the truck when or if they transition back to the OEM 20” or 18” accessory road tires they purchased.
4. Provide the customer an 18” spare tire overlay label that they can install over the existing tire placard label if they ever transition back to the OEM 20” or 18” accessory road tires they purchased.
Case #3 Inspection and Actions:
1. If the vehicle does not have the road tires described in Cases #2 or #3 above, do the following:
2. Do not replace the existing 17” spare tire and wheel assembly that is in the spare wheel and tire carried under the truck, leave it in the spare tire and wheel carrier under the truck.
3. Place the new 18” spare tire and wheel assembly in the cargo bed of the truck and restrain it with two straps. The customer needs to install the 18” spare tire and wheel assembly in the vehicle the spare tire and wheel carrier under the truck when or if they transition to the OEM 20” or 18” accessory road tires they purchased.
4. Provide the customer an 18” spare tire overlay label that they can install over the existing tire placard label if they ever transition back to the OEM 20” or 18” accessory road tires they purchased.
• For removal and reinstallation of the spare tire and wheel assembly from the vehicle, Refer to Tire Changing in the Owner Manual.
• Mount the new tire onto the spare wheel and balance the assembly. Refer to Tire Dismounting and Mounting in SI.
Label Overlay Installation
1. Locate the Tire and Loading Information label in the driver door opening.
5908675
2. Identify the spare tire information section.
3. Clean the information label using 50% isopropyl alcohol and dry with a clean, lint free cloth. Receiving surface MUST be clean, dry, and free of any contaminants. The surface temperature should not be less than 65o F (21o C).
4. Firmly hold the new label and peel protective liner from the back side, being careful not to touch or contaminate the adhesive with dirt or foreign matter.
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
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5. Ensure the new label is properly positioned before allowing contact with the original label surface. The adhesive
used is very aggressive and will not allow repositioning once the new label is applied. Install the new spare tire
information label over the existing spare tire section of the Tire and Loading Information label using the black
centerline for reference. Press firmly and smooth out entire label ensuring corners are fully adhered.
Securing Spare Tire and Wheel Assembly in The Cargo Bed
IMPORTANT: Inform the customer that the spare tire mounted in the cargo bed is only for transporting the tire
home. It must be removed immediately upon arrival.
5908677
5908678
5908680
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
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• Fit strap through the bottom right rear tie down ring.
5908683
• Feed the strap under the bottom of the spare tire and wheel assembly, through the wheel and latch the strap as
shown.
5908684
• Repeat the above two steps on the other side of the vehicle.
5908686
• Tighten both strap buckles to secure the spare tire and wheel assembly.
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
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Dealer Responsibility – For USA & Export (USA States, Territories, and Possessions)
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 under a sale or lease until the defect or noncompliance is remedied.
The US National Traffic and Motor Vehicle Safety Act provides that each vehicle that is subject to a recall of this type must be adequately repaired within a reasonable time after the customer has tendered it for repair. A failure to repair within sixty days after tender of a vehicle is prima facie evidence of failure to repair within a reasonable time. If the condition is not adequately repaired within a reasonable time, the customer may be entitled to an identical or reasonably equivalent vehicle at no charge or to a refund of the purchase price less a reasonable allowance for depreciation. To avoid having to provide these burdensome remedies, every effort must be made to promptly schedule an appointment with each customer and to repair their vehicle as soon as possible. In the recall notification letters, customers are told how to contact the US National Highway Traffic Safety Administration if the recall is not completed within a reasonable time.
Dealer Responsibility – All
All new, used, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc. in dealers’ possession and subject to this recall must be held and inspected/repaired per the service procedure of this bulletin before customers take possession of these vehicles. Involved vehicles must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration, or any other purpose.
All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory System (CPOIS) will be de-certified and must be held and remedied per the service procedure in this bulletin. Upon submitting an accepted/paid warranty transaction in the Global Warranty Management (GWM) system, the vehicle can be re-certified for sale within the CPOIS system, or once again be used in the CTP program.
Dealers are to service all vehicles subject to this recall at no charge to customers, regardless of mileage, age of vehicle, or ownership, from this time forward.
Customers who have recently purchased vehicles sold from your vehicle inventory, and for which there is no customer information indicated on the dealer listing, are to be contacted by the dealer. Arrangements are to be made to make the required correction according to the instructions contained in this bulletin. A copy of the customer letter is provided in this bulletin for your use in contacting customers. Recall follow-up cards should not be used for this purpose, since the customer may not as yet have received the notification letter. In summary, whenever a vehicle subject to this field action enters your vehicle inventory you must take the steps necessary to ensure the program correction has been made before selling the vehicle. In addition, for vehicles entering your facility for service, you are required to ensure the customer is aware of the open field action and make every reasonable effort to implement the program correction as set forth in this bulletin prior to releasing the vehicle.
Dealer Reports
For dealers with involved vehicles, a listing has been prepared and will be available through GM GlobalConnect Maxis Field Action Reports or sent directly to export dealers. The Inventory tab of the dealer reports will contain VINs that apply to this recall. This information is intended to assist dealers with the PROMPT COMPLETION of these vehicles. The Customer In-Service tab will contain customer names and addresses from Motor Vehicle Registration Records. The use of such motor vehicle registration data for any purpose other than follow-up necessary to complete this recall may be a violation of law in several states.
Courtesy Transportation – For USA
Courtesy transportation is available for customers whose vehicles are involved in a product program and still within the warranty coverage period. See General Motors Service Policies and Procedures Manual for courtesy transportation program details.
Customer Notification
USA – General Motors will notify customers of this recall on their vehicle (see copy of customer letter included with this bulletin).
GM bulletins are intended for use by professional technicians, NOT a “do-it-yourselfer”. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the tools, equipment, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your dealer for information on whether your vehicle may benefit from the information.
We Support Voluntary Technician Certification
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
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5909978
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
Page 12 of 14
Silverado/Sierra HD Correct Spare Tire/Wheel use with Road Tires/Wheels
Ensure the correct GM spare tire/wheel assembly is used in conjunction with the accompanying GM road tire/wheel assemblies:
With these GM road tire/wheel assemblies
Use this GM spare tire/wheel assembly
Tire Description
Tire Part#
Wheel Size
Tire Description
Tire Part#
Wheel Size
Firestone Transforce HT
LT245/75R17
23494261
17” x 7.5”
Firestone Transforce HT
LT245/75R17
23494261
17” x 7.5”
Firestone Transforce AT
LT265/70R17
23376701
17” x 7.5”
Firestone Transforce AT
LT265/70R17
23376701
17” x 7.5”
Michelin LTX AT2
LT275/70R18
23376704
18” x 8.0”
Michelin LTX AT2
LT275/70R18
23376704
18” x 8.0”
Goodyear Wrangler Trailrunner AT
LT275/65R20
23376699
20” x 8.5”
This chart is only applicable to GM OE tires and wheels
Reference N21-232978
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
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IMPORTANT SAFETY RECALL
October 2021
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 – 2021 model year Chevrolet Silverado 2500 and GMC Sierra 2500 vehicles equipped with a 17” spare tire and either (i) the 20” accessory road tire or (ii) the 18” accessory road tire. 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 N212329780.
• Schedule an appointment with your GM dealer.
• This service will be performed for you at no charge.
Why is your vehicle being recalled?
If the 17” spare tire is installed at one of the rear locations in these vehicles while one of the listed accessory tires is installed in the other rear location, differences in revolutions per kilometer (RPK) between the rear tires may prevent the anti-lock braking system (ABS) from controlling the rear wheels independently on low friction surfaces. The difference in revolutions per kilometer between the 17” spare tire and the 18” or 20” accessory road tires exceeded internal guidelines. If the ABS system cannot control the rear wheels independently on low friction surfaces, there is an increased risk of a crash.
What will we do?
Your GM dealer will provide an 18” spare tire and wheel assembly to owners and will also provide a new spare tire information label to replace the existing tire placard label. This service will be performed for you free of charge. Because of service scheduling requirements, it is likely that your dealer will need your vehicle longer than the actual inspection and service correction time of approximately one hour.
What should you do?
You should contact your GM dealer to arrange a service appointment as soon as possible.
Keep this letter and the enclosed “Silverado/Sierra HD Correct Spare Tire/Wheel use with Road Tires/Wheels” information supplement with your other important glove box literature for future reference.
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)
Chevrolet
1-800-630-2438
1-800-833-2438
GMC
1-866-996-9463
1-800-462-8583
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 https://www.safercar.gov. The National Highway Traffic Safety Administration Campaign ID Number for this recall is 21V578.
Product Safety Recall
N212329780 Mismatched Spare Tire – US Only
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Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days.
Regina A. Carto
Vice President
Global Product Safety and Systems
Enclosure
GM Recall: N212329780
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IMPORTANT SAFETY RECALL October 2021 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 – 2021 model year Chevrolet Silverado 2500 and GMC Sierra 2500 vehicles equipped with a 17” spare tire and either (i) the 20” accessory road tire or (ii) the 18” accessory road tire. 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 N212329780. • Schedule an appointment with your GM dealer. • This service will be performed for you at no charge. Why is your vehicle being recalled? If the 17” spare tire is installed at one of the rear locations in these vehicles while one of the listed accessory tires is installed in the other rear location, differences in revolutions per kilometer (RPK) between the rear tires may prevent the anti-lock braking system (ABS) from controlling the rear wheels independently on low friction surfaces. The difference in revolutions per kilometer between the 17” spare tire and the 18” or 20” accessory road tires exceeded internal guidelines. If the ABS system cannot control the rear wheels independently on low friction surfaces, there is an increased risk of a crash. What will we do? Your GM dealer will provide an 18” spare tire and wheel assembly to owners and will also provide a new spare tire information label to replace the existing tire placard label. This service will be performed for you free of charge. Because of service scheduling requirements, it is likely that your dealer will need your vehicle longer than the actual inspection and service correction time of approximately one hour. What should you do? You should contact your GM dealer to arrange a service appointment as soon as possible. Keep this letter and the enclosed “Silverado/Sierra HD Correct Spare Tire/Wheel use with Road Tires/Wheels” information supplement with your other important glove box literature for future reference. 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) Chevrolet 1-800-630-2438 1-800-833-2438 GMC 1-866-996-9463 1-800-462-8583 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 https://www.safercar.gov. The National Highway Traffic Safety Administration Campaign ID Number for this recall is 21V578. Federal regulation requires that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. Regina A. Carto Vice President Global Product Safety and Systems Enclosure GM Recall: N212329780
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GLOBAL SAFETY FIELD INVESTIGATIONS DCS6027 URGENT – DISTRIBUTE IMMEDIATELY Date: January 12, 2022 Subject: REVISION: Safety Recall – N212329780-01 – US Only Mismatched Spare Tire Parts Information Updated Models: 2020-2021 Chevrolet Silverado HD 2020-2021 GMC Sierra HD To: All General Motors Dealers The parts information has been updated in this bulletin. Please discard all previous copies of N212329780. 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. END OF MESSAGE GLOBAL SAFETY FIELD INVESTIGATIONS
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GLOBAL SAFETY FIELD INVESTIGATIONS DCS5962 URGENT – DISTRIBUTE IMMEDIATELY Date: October 14, 2021 Subject: N212329780 – Safety Recall Mismatched Spare Tire Models: 2020-2021 Chevrolet Silverado HD 2020-2021 GMC Sierra HD To: All General Motors Dealers General Motors is releasing Safety Recall N212329780 today. The total number of U.S. vehicles involved is approximately 86. Please see the attached bulletin for details. Vehicles involved in this recall were placed on stop delivery July 29, 2021. Once the service procedure contained in the bulletin 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 an updated 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 on October 18, 2021. Global Warranty Management (GWM) The Required Field Action section on the Investigate Vehicle History (IVH) screen will be updated October 15, 2021 or sooner. All vehicles involved are customer owned. Please hold all warranty transactions until IVH has been updated. END OF MESSAGE GLOBAL SAFETY FIELD INVESTIGATIONS
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GLOBAL SAFETY FIELD INVESTIGATIONS DCS5883 URGENT – DISTRIBUTE IMMEDIATELY Date: July 29, 2021 Subject: Upcoming Safety Recall N212329780 Mismatched Spare Tire Models: 2020-2021 Chevrolet Silverado HD 2020-2021 GMC Sierra HD To: All General Motors Dealers General Motors has notified the National Highway Traffic Safety Administration (NHTSA) about an upcoming safety recall that involves certain 2020 – 2021 model year Chevrolet Silverado 2500 and GMC Sierra 2500 vehicles equipped with a 17” spare tire (RPO ZHQ or ZXT) and either (i) the 20” accessory road tire (RPO REM) or (ii) the 18” accessory road tire (RPO Q2V). The GM recall number is N212329780. 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. If the 17” spare tire is installed at one of the rear locations in these vehicles while one of the listed accessory tires is installed in the other rear location, differences in revolutions per kilometer (RPK) between the rear tires may prevent the anti-lock braking system (ABS) from controlling the rear wheels independently on low friction surfaces. The difference in revolutions per kilometer between the 17” spare tire and the 18” and 20” accessory road tires exceeded internal guidelines. If the ABS system cannot control the rear wheels independently on low friction surfaces, there is an increased risk of a crash. Parts are not currently available, but when parts are available, dealers are to provide an 18” spare tire and wheel assembly to owners confirmed to have the 20” or 18” accessory road tires. Dealers will also apply a new spare tire information label over the existing tire placard label. Owners will also be provided an Owner’s Manual insert explaining the 18” spare tire that should be used with 18” or 20” accessory road tires and the 17” spare tire be used with the 17” original tires. 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 upcoming recall on July 29, 2021. This action has been taken to assist dealers with determining which vehicles are involved so they can properly respond to customer inquiries. 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. Dealers will be advised when the recall bulletin is released. Until the recall bulletin is released, the IVH screen in GWM 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. END OF MESSAGE GLOBAL SAFETY FIELD INVESTIGATIONS
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