FL948 – Incorrect Tire Size on Labels – 2019-2023 Thomas Built Buses Minotour School Buses

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Defect / Noncompliance Information Report (Section 573.6) FL948 Date of Submission: __07/22/2022______________ Manufacturer: Daimler Truck North America LLC P.O. BOX 3849 Portland, Oregon 97208 Type of Report: ⃝ Safety Defect X Non-Compliance Vehicle Information Model Yr. Start: __2019________ Model Yr. End: ___2023____ Make: _Thomas Built Buses________ Model: _Minotour SRW___________ Production Dates: Begin: __8/6/2018_____ End: __5/4/2022_________ Descriptive Information: ___Certain Thomas Built Buses Minotour school buses with Single Rear Wheel (“SRW”) per wheel-end configuration of chassis may have an applied Vehicle Information Label and tire and Loading Information Label with incorrect tire size information listed. _______________________________________________________________________________________________________________________________________________________________________ Basis for Determination of the Recall Population: Build records were reviewed and it was determined the TBB Minotour SRW school buses built in within the above production dates may have the incorrect tire size information listed on the applied Vehicle Information label and Tire and Loading Information Label. _________________________________________________________________________________________________________________________________________________________________________ Number potentially involved: _446_______ Estimated percentage of involved with defect: __100%______ Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: ___ On the affected vehicles, the Vehicle Information Label and Tire and Loading Information Label with an incorrect tire size may not comply with 49 CFR 567.4 and 49 CFR 571.110 ____ __________________________________________________________________________________________________________________________________________________________________ Describe the safety risk: _A noncompliance with 49 CFR 567.4 and 49 CFR 571.110 may lead to an incorrect replacement tire being installed on the bus that is not sufficient for the Rear GAWR and GVWR requirements increasing the risk of a crash. _________________________________________________________________________________________________________________________________________________________________________ Identify any warning which can precede or occur: NA __________________________________________________________________________________________________________________________________________________________________________ If applicable, identify the manufacture of the defective or noncompliant component.: _____ Vehicle Information Label and Tire and Loading Information Label _____________________________________________________________________________________________________________________________________________________________________ Involved Components Component Name: ____Label______________ Component Description: Vehicle Information Label and Tire and Loading Information Label _______ Component Part Number: ___206621 and 150479_______________ NOTE: If a Component that contains the defect or noncompliance was manufactured by a different manufacturer from the reporting manufacturer, list the following: Component’s country of origin: __________________ Business address: __________________ Business telephone number: __________________ If the reporting manufacturer does not know the identity of the manufacturer of the component, it shall identify the entity from which it was obtained. If at the time of submission of the initial report, the reporting manufacturer does not know the country of origin of the component, the manufacturer shall ascertain the country of origin and submit a supplemental report with that information once it becomes available. Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision: __ On June 28 2022 DTNA received a report from a dealer of a potential discrepancy with the tire description on the Vehicle Information Label on four newly delivered buses. DTNA staff promptly began an investigation. DNTA staff reviewed build records to determine if any additional buses were built with the same discrepancy. DNTA also reviewed warranty records and field reports and found no similar issues. Once DTNA had sufficient information, on July 18 2022 DTNA decided to conduct a voluntary non-compliance recall on certain Thomas Built Buses Minotour SWR buses. ________________________________________________________________________________________________________________________________________________________________________ Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. _____A new label will be mailed to affected customers with the correct tire size information. Repairs are expected to be performed by Daimler Trucks North America authorized service facilities. Details of the reimbursement plan will be included in the owner’s notification letter. ________________________________________________________________________________ Identify the Recall Schedule Describe the recall schedule for notifications.: Customer notification will be made by first class mail using Daimler Trucks North America records to determine the customers affected. Planned Dealer Notification Begin Date: _9/15/2022_________ Planned Dealer Notification End Date: _9/15/2022_________ Planned Owner Notification Begin Date: _9/15/2022_________ Planned Owner Notification End Date: _9/15/2022_________ Does DTNA plan to file inconsequentiality petition? ⃝ Yes X No Manufacturer’s identification code for this recall (if applicable): _ FL948_____ DTNA Representative; Sam Geser Manager, Compliance and Regulatory Affairs

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Daimler Truck North America LLC IMPORTANT SAFETY RECALL See enclosed VIN list September 2022 FL948 NHTSA #22V-532 (School Bus) Subject: Thomas Built Bus Minotour Incorrect Tire Label This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Daimler Trucks North America LLC (DTNA), on behalf of its wholly owned subsidiary, Thomas Built Buses, has decided that model years 2019-2023 Minotour school busses with Single Rear Wheel (SRW) per wheel-end configuration of chassis manufactured August 6, 2018, through May 4, 2022 fail to confirm Federal Vehicle Safety Standard No. 110, “Tire Selection and Rims”. The vehicle Information Label, tire, and Loading Information Label state incorrect tire size information. An incorrect tire size label can increase the risk of a crash. New label(s) will be mailed to customers with the correct tire size information, free of charge. If you do not own the vehicle that corresponds to the identification number(s), which appears on the Recall Notification, please return the notification to the Warranty Campaigns Department with any information you can furnish that will assist us in locating the present owner. If you have leased this vehicle, Federal law requires that you forward this notice to the lessee within 10 days. If you are a subsequent stage manufacturer, Federal law requires that you forward this notice to your distributors and retail outlets within five working days. If you have paid to have this recall condition corrected prior to this notice, you may be eligible to receive reimbursement. Please see the reverse side of this notice for details. If you have questions about this Recall, please contact the Warranty Campaigns Department at (800) 547-0712, 7:00 a.m. to 4:00 p.m. Pacific Time, Monday through Friday, e-mail address DTNA.Warranty.Campaigns@Daimlertruck.com. For other concerns, you may contact the Customer Assistance Center at (800) 385-4357. If you are not able to have the defect remedied without charge and within a reasonable time, you may wish to submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590; or call the Vehicle Safety Hotline at (888) 327-4236 (TTY: 800-424-9153); or go to http://www.nhtsa.gov. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Truck North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone Daimler Trucks North America LLC September 2022 FL948 NHTSA Labels: Application Instructions •Tire and Loading Information Label •Vehicle Data Label Instructions 1.Park the vehicle on a level surface. Shut down the engine, place the bus in park, and set the parking brake.2.The replacement label(s) has been included in your customer notification letter. Please refer to fig.1 for installation locations. 3.Locate the Tire and Loading Information Label on the driver doorpost shown in Fig. 1.4.Remove existing clear Cover. Start in one corner. Carefully, remove “VOID” remains with razor blade. Fig. 2. 5.Remove any leftover adhesive with an adhesive remover.6.Apply the new label using a squeegee to remove any air bubbles.7.Locate the Vehicle Data Label on the front bulkhead shown in Fig. 1.8.Repeat steps 4, 5, and 6 for additional label replacement.9.Return the vehicle to service. Data Label Fig. 1. Remove existing Data Label Fig. 2.

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Daimler Truck North America LLC REF #: ICI22-040 1B Effective: 9/27/2022B elease: 9/27/2022 SUBJECT: Cummins Vitesco ECU Quality Spill (Companion Campaign) 0B 4B This letter is to inform you that Recall FL949 – Cummins Vitesco ECU Quality Spill recall is a supplier responsible recall. Cummins has notified customers and repair locations of the Final Release regarding Cummins safety recall #C2614 CM2450 ECM Replacement Safety Campaign. Please see the attached Final Notice. Note for DTNA dealers: Final repair is to be completed by Cummins Distributors and authorized Warranty Dealers. This ICI letter is only for your information should the dealership receive any questions. For your reference, a copy of the Cummins released owner notice concerning Cummins safety recall #C2614 CM2450 ECM Replacement Safety Campaign is on the following pages. If you have questions or concerns about this recall, please contact your local Cummins Distributor or authorized Warranty Dealer. You may also contact Cummins Care at 1-800-CUMMINS (1-800-286-6467), or visit their website at care.cummins.com. If you have questions or need further information on this ICI please contact the Warranty Campaigns Department by submitting an inquiry through the WSC Link on DTNAConnect. WARRANTY CAMPAIGNS DEPARTMENT P.O. Box 4090 800-547-0712 Portland, Oregon 97208-4090 ATTENTION: Dealer Principal, Warranty Manager, Service Manager, Parts Manager Freightliner Dealers – U.S. and Canada Western Star and Sterling Dealers – U.S. and Canada FCCC Dealers – U.S. and Canada Thomas Built Buses Dealers – U.S. and Canada Direct Warranty Customers – U.S. and Canada Detroit Diesel Distributors Export Distributors If you have questions about this Letter, please submit your inquiry on the Web using the WSC Link on DTNAConnect FL949 NHTSA #22V-554 NHTSA #22V-553 (school bus) TC #2022-413 TC #2022-412 (school bus) Cummins Campaign #C2614 Cummins NHTSA #22E-063 4B ATTENTION: Concessionnaire principal, Gestionnaire de garantie, Gestionnaire de service, Gestionnaire de pieces Concessionnaires Freightliner – États-Unis et Canada Marchands Western Star et Sterling – États-Unis et Canada Concessionnaires FCCC – États-Unis et Canada Thomas Built Buses Concessionnaires – États-Unis et Canada Clients sous garantie directe – États-Unis et Canada Distributeurs diesel de Detroit Distributeurs à l’exportation REF # : ICI22-040 En vigueur : 27/09/22 Sortie : 27/09/22 Daimler Truck North America LLC SERVICE DES CAMPAGNES DE GARANTIE Case postale 4090 800-547-0712 Portland (Oregon) 97208- 4090 Si vous avez des questions à propos de la présente lettre, soumettez votre demande de renseignements sur Web à l’aide du lien WSC sur DTNAConnect SUJET : Cummins Vitesco ECU Quality Spill (campagne d’accompagnement) Cette lettre vise à vous informer que Rappel FL949 – Cummins Vitesco ECU Quality de déversement est un rappelresponsable du fournisseur. Cummins a avisé les clientset les lieux de réparation de la version finale concernant Rappel de sécurité Cummins no C2614 CM2450 Campagne de sécurité pour le remplacement del’ ECM. Veuillez consulter l’avis final ci-joint. Note à l’intention des concessionnaires DTNA: Les réparations finales doivent être effectuées par les distributeurs Cummins et les concessionnaires de garantie autorisés. Cette lettre d’ICI est uniquement à titre d’information si le concessionnaire reçoit des questions. À titre de référence, une copie de l’avis de propriétaire publié par Cummins concernant Rappel de sécurité Cummins no C2614 CM2450 Campagnede sécurité de remplacement ECM est aux pages suivantes. Si vous avez des questions ou des préoccupations au sujet de ce rappel, veuillez communiquer avec votre Cummins local Distributeur ou concessionnaireagréé sous garantie. Vous pouvez également communiquer avec Cummins Care au 1-800-CUMMINS (1-800-286-6467), ou visiter leur site Web à care.cummins.com. Si vous avez des questions ou si vous avez besoin de plus amples renseignements à ce sujet, veuillez communiquer avec Service des campagnes de garantie en soumettant une demande par le biais du lien WSC sur DTNAConnect. *** IMPORTANT SAFETY RECALL*** NHTSA Recall No. 22E-063 Cummins Campaign #C2614 September 27, 2022 Dear Cummins Customer: This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Cummins Inc. has decided that a defect which relates to motor vehicle safety exists in certain Cummins B6.7, L9, X12 and X15 engines that were manufactured between May 13, 2022 and June 28, 2022. This notice applies to the engine(s) listed on the enclosed table. WHAT IS THE PROBLEM? Your engine is equipped with an Engine Control Module (ECM) that may have a manufacturing defect that could result in an engine stall without warning. An unexpected engine stall without the ability to restart the engine may lead to an increased risk of a crash. WHAT ARE WE DOING ABOUT THE PROBLEM? Cummins has released #C2614 CM2450 ECM Replacement Safety Campaign to address this condition by replacing the ECM. This campaign is currently available at Cummins Distributors and authorized Warranty Dealers. The repair will be completed free of charge and most applications will require approximately 1.3 hours to complete. WHAT SHOULD YOU DO? Contact the nearest Cummins Distributor or authorized Warranty Dealer to arrange to have this safety action performed on your engine(s). The distributor or dealer will work with you to schedule the best date to complete this repair. If you have not registered your Cummins product, please complete the enclosed registration card or register your product at https://prodreg.cummins.com/prodreg/#/webform/contactInfo. If you are no longer the owner of the engine(s) listed on the enclosed table, please forward this notice to the new owner or provide the new owner’s contact information to Cummins so that we can notify them of this recall. Federal law requires vehicle lessors receiving this recall notice to forward a copy of this notice to the lessee within ten (10) days. Also, it is a violation of Federal law for a dealer to deliver a new vehicle or equipment covered by this recall notice under a sale or lease until the defect has been remedied. If you previously paid to have this recall performed on your vehicle, you may be eligible for reimbursement. Please contact Cummins Care at the number below for more information. Cummins Inc. Box 3005 Columbus, IN 47202 – 3005 USA Mail Code: 40911 Phone: 1 800 CUMMINS care.cummins.com *** IMPORTANT SAFETY RECALL*** Cummins Campaign #C2614 Transport Canada Recall #2022-412, 2022-413 September 27, 2022 Dear Cummins Customer: This notice is sent to you in accordance with the requirements of the Motor Vehicle Safety Act. This is to inform you that your vehicle may contain a defect that could affect the safety of a person. Cummins is conducting a recall involving certain Cummins B6.7, L9, X12 and X15 engines that were manufactured between May 13, 2022 and June 28, 2022. This notice applies to your engine(s)/vehicle(s) listed on the enclosed table. WHAT IS THE PROBLEM? The subject engines are equipped with an Engine Control Module (ECM) that may have a manufacturing defect that could result in an engine stall without warning. An unexpected engine stall without the ability to restart the engine may lead to an increased risk of a crash. WHAT WILL CUMMINS DO? Cummins has released #C2614 CM2450 ECM Replacement Safety Campaign to address this condition by replacing the ECM. This campaign is currently available at Cummins Distributors and authorized Warranty Dealers. The repair will be completed free of charge and most applications will require approximately 1.3 hours to complete. WHAT SHOULD YOU DO? Contact the nearest Cummins Distributor or authorized Warranty Dealer to arrange to have this campaign performed on your engine. The distributor or dealer will work with you to schedule the best date to complete this repair. Vehicle lessors receiving this recall notice are required by law to forward a copy of this notice and any subsequent notices to the lessee within ten (10) days. Cummins Inc. Box 3005 Columbus, IN 47202 – 3005 USA Mail Code: 40911 Phone: 1 800 CUMMINS care.cummins.com WHO SHOULD YOU CONTACT IF YOU HAVE FURTHER QUESTIONS OR CONCERNS? If you have questions or concerns about this recall, please contact your local Cummins Distributor or authorized warranty dealer. You may also contact Cummins Care at 1-800-CUMMINS (1-800- 286-6467), or visit our website at care.cummins.com. If you have a complaint relative to this recall, you may report it to the following: Administrator National Highway Traffic Safety Administration 1200 New Jersey Avenue, SE Washington, DC 20590 You may also call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov. Cummins is taking this action in the interest of your safety and satisfaction with our products. We apologize for any inconvenience and thank you for your attention to this matter. Sincerely, Campaign Administrator Cummins Inc. Cummins Inc. Box 3005 Columbus, IN 47202 – 3005 USA Mail Code: 40911 Phone: 1 800 CUMMINS care.cummins.com *** RAPPEL IMPORTANT CONCERNANT LA SÉCURITÉ *** Campagne Cummins C2614 Numéro de rappel de Transports Canada 2022-412, 2022-413 27, Septembre, 2022 Cher client Cummins, Le présent avis vous est émis conformément aux exigences de la Loi sur la sécurité des véhicules automobiles. La présente a pour but de vous informer que votre véhicule est susceptible d’avoir un défaut qui pourrait porter atteinte à la sécurité humaine. Cummins a lancé la campagne de rappel impliquant certains moteurs B6.7, L9, X12 et X15 de Cummins, dont la construction se situe entre le 13 mai 2022 et le 28 juin 2022. Cet avis s’applique aux moteurs et aux véhicules figurant dans le tableau ci-joint. QUEL EST LE PROBLÈME? Le moteur en question est doté d’un module de commande de moteur (ECM) pouvant comporter un défaut de fabrication, entraînant le calage du moteur sans avertissement. Un calage de moteur inattendu, sans possibilité de redémarrer le moteur, peut contribuer à augmenter les risques de collision. QUE FAISONS-NOUS POUR RÉSOUDRE LE PROBLÈME? Cummins a lancé la campagne de rappel #C2614 CM2450 ECM Replacement Safety Campaign pour remédier à la situation, en remplaçant le module de commande de moteur (ECM). Cette campagne de rappel est en cours chez les distributeurs et les concessionnaires de garantie agréés Cummins. La réparation sera effectuée sans frais et nécessitera environ 1.3 heures. QUE DEVEZ-VOUS FAIRE? Communiquez avec le distributeur Cummins ou le concessionnaire de garantie agréé le plus proche pour organiser cette réparation sur votre moteur. Le distributeur ou le concessionnaire vous proposera une date qui pourrait le mieux convenir pour l’intervention. Les locateurs de véhicules qui reçoivent le présent avis de rappel sont dans l’obligation d’acheminer une copie de cet avis, ainsi que tout autre avis, au locataire dans les dix (10) jours suivant la réception dudit avis. QUI DEVEZ-VOUS CONTACTER EN CAS DE QUESTION OU D’INQUIÉTUDE? Cummins Inc. Box 3005 Columbus, IN 47202 – 3005 États- Unis Code de courrier : 40911 Téléphone : 1 800 CUMMINS i Cummins Inc. Box 3005 Columbus, IN 47202 – 3005 États- Unis Code de courrier : 40911 Téléphone : 1 800 CUMMINS Communiquez avec votre distributeur local ou avec votre concessionnaire de garantie agréé Cummins pour toute question ou toute inquiétude concernant ce rappel. Vous pouvez également communiquer avec l’équipe d’entretien de Cummins au 1 800 CUMMINS (1 800 286-6467), ou visiter notre site Web care.cummins.com. Pour de plus amples renseignements concernant le rappel, communiquez avec le service de renseignements de Transports Canada en composant 1 800 333-0510. Si vous n’avez pas enregistré votre produit Cummins, veuillez remplir la carte d’enregistrement ci-jointe ou enregistrez votre produit sur le site; https://prodreg.cummins.com/prodreg/#/webform/contactInfo. Si vous n’êtes plus le propriétaire du ou des moteurs ou véhicules qui figurent dans le tableau ci- joint, veuillez faire parvenir le présent avis au nouveau propriétaire ou faire parvenir ses coordonnées à Cummins afin que nous puissions l’avertir de ce rappel. Cummins prend cette mesure pour renforcer votre sécurité et pour accroître votre satisfaction en ce qui concerne nos produits. Nous vous présentons toutes nos excuses pour ce désagrément et nous vous remercions de votre attention. Bien cordialement, Administrateur agne Cummins Inc.

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-532 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : JUL 22, 2022 NHTSA Recall No. : 22V-532 Manufacturer Recall No. : FL948 Manufacturer Information : Manufacturer Name : Daimler Trucks North America, LLC Address : 4747 N. Channel Avenue Portland OR 97217-3849 Company phone : 800-745-8000 Population : Number of potentially involved : 446 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2019-2023 Thomas Built Buses Minotour SRW Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : GAS Descriptive Information : Certain Thomas Built Buses Minotour school buses with Single Rear Wheel (“SRW”) per wheel-end configuration of chassis may have an applied Vehicle Information Label and tire and Loading Information Label with incorrect tire size information listed. Production Dates : AUG 06, 2018 – MAY 04, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Noncompliance : Description of the Noncompliance : On the affected vehicles, the Vehicle Information Label and Tire and Loading Information Label with an incorrect tire size may not comply with 49 CFR 567.4 and 49 CFR 571.110. FMVSS 1 : 110 – Tire selection and rims FMVSS 2 : NR Description of the Safety Risk : A noncompliance with 49 CFR 567.4 and 49 CFR 571.110 may lead to an incorrect replacement tire being installed on the bus that is not sufficient for the Rear GAWR and GVWR requirements increasing the risk of a crash. Description of the Cause : NR Identification of Any Warning that can Occur : NR Involved Components : Part 573 Safety Recall Report 22V-532 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Label Component Description : Vehicle Information Label and Tire and Loading Information Label Component Part Number : 206621 and 150479 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : On June 28 2022 DTNA received a report from a dealer of a potential discrepancy with the tire description on the Vehicle Information Label on four newly delivered buses. DTNA staff promptly began an investigation. DNTA staff reviewed build records to determine if any additional buses were built with the same discrepancy. DNTA also reviewed warranty records and field reports and found no similar issues. Once DTNA had sufficient information, on July 18 2022 DTNA decided to conduct a voluntary non-compliance recall on certain Thomas Built Buses Minotour SWR buses. Description of Remedy : Description of Remedy Program : A new label will be mailed to affected customers with the correct tire size information. Repairs are expected to be performed by Daimler Trucks North America authorized service facilities. Details of the reimbursement plan will be included in the owner’s notification letter. How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : Customer notification will be made by first class mail using Daimler Trucks North America records to determine the customers affected. Planned Dealer Notification Date : SEP 15, 2022 – SEP 15, 2022 Planned Owner Notification Date : SEP 15, 2022 – SEP 15, 2022 Part 573 Safety Recall Report 22V-532 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 * NR – Not Reported

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