FL913 – Floor Mat May Trap Gas Pedal – 2022 Thomas Built Saf-T-Liner C2 School Buses

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Defect Information Report (Section 573.6) FL913 Date of Submission: December 8, 2021 Manufacturer: Daimler Trucks North America LLC P.O. BOX 3849 Portland, Oregon 97208 Type of Report: X Safety Defect ⃝ Non-Compliance Vehicle Information Model Yr. Start: 2022 Model Yr. End: 2022 Make: Thomas Built Buses Model: Saf-T-Liner C2 School Bus Production Dates: Begin: 01/05/2021 End: 09/22/2021 Descriptive Information: On C2 buses equipped with a certain accelerator pedal, the accelerator pedal could be misaligned, allowing it to rub against the floor and potentially stick in an off-idle position without the driver’s knowledge. Number potentially involved: 1218 Estimated percentage of involve with defect: 4% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: On affected chassis, the accelerator pedal may be contacting the floor mat potentially wearing a hole into the mat. In a rare, extreme case, the pedal could catch on the edge of the hole, possibly not allowing the pedal to return to idle. Describe the safety risk: An accelerator pedal stuck in an off idle position, may cause an unexpected loss of control of the vehicle speed, increasing the risk of a crash. Identify any warning which can precede or occur: During a pre-trip or post trip inspection, operators could visually detect wear marks or a hole being worn into the floor mat directly under the accelerator pedal. If applicable, identify the manufacture of the defective or noncompliant component.: Kongsburg Automotive Group Involved Components Component Name: ACCEL CTRL-C2, ADJ Component Description: ELECTRONIC ACCELERATOR CONTROL Component Part Number: A01-34001-000/001 Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision: In September of 2021, DTNA received a complaint from a dealer of the throttle pedal sticking to the floor. DTNA immediately opened an investigation into the issue. From late September thru mid-October, DTNA conducted inspections on similarly configured buses at Thomas Built Bus and at Freightliner Custom Chassis. In mid-October, an engineering design evaluation was conducted. In late October, suspect parts were sent to the supplier for testing. In early November, DTNA began its own testing of parts in parallel with the supplier. In mid-November, additional warranty analysis reports were reviewed as well as any customer complaint tickets. On Dec. 1, 2021, DTNA with an abundance of caution, decided to conduct a voluntary recall campaign on certain Thomas Built Buses Saf-T-Liner C2 model school buses with the potential for the accelerator pedal to stick. There are no reported injuries or deaths related to this issue. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. The accelerator pedal assembly will be inspected and replaced if necessary. Repairs will 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: 02/5/2022 Planned Dealer Notification End Date: 02/5/2022 Planned Owner Notification Begin Date: 02/5/2022 Planned Owner Notification End Date: 02/5/2022 Manufacture’s identification code for this recall (if applicable): FL913 DTNA Representative; Tiffani Torgeson Manager, Compliance and Regulatory Affairs

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Daimler Trucks North America LLC February 2022 FL913 NHTSA #21V945 Daimler Trucks North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone IMPORTANT SAFETY RECALL See enclosed VIN list Subject: FCCC Throttle Pedal 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 Freightliner Trucks Division, and wholly owned subsidiaries, Freightliner Custom Chassis Corporation has decided that a defect which relates to motor vehicle safety exists on specific model year 2022 Freightliner Custom Chassis manufactured January 5, 2021, through September 22, 2021, and C2 buses equipped with a certain accelerator pedal. On C2 buses equipped with a certain accelerator pedal, the accelerator pedal could be misaligned, allowing it to rub against the floor and potentially stick in an off-idle position without the driver’s knowledge. This could cause an unexpected loss of control of the vehicle speed, increasing the risk of a crash. The accelerator pedal assembly will be inspected and replaced if necessary. Repairs will be performed by Daimler Trucks North America authorized service facilities. Please contact an authorized Daimler Trucks North America dealer to arrange to have the Recall performed and to ensure that parts are available at the dealership. To locate an authorized dealer, search online at Daimler-TrucksNorthAmerica.com/Contact-us. Scroll down to “Locate a Dealer” and select the appropriate brand. The Recall will take approximately one to two hours and will be performed at no charge to you. You may also confirm your vehicle’s involvement in this recall at this URL: https://dtna-dlrinfo.prd.freightliner.com:48518/VinLookup/vinmodule/getVinLookupPage. You may be liable for any progressive damage that results from your failure to complete the Recall within a reasonable time after receiving notification. 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@Daimler.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.safercar.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 Trucks North America LLC Reimbursement to Customers for Repairs Performed Prior to Recall If you have already paid to have this recall condition corrected you may be eligible to receive reimbursement. Requests for reimbursement may include parts and labor. Reimbursement may be limited to the amount the repair would have cost if completed by an authorized Daimler Trucks North America LLC dealer. The following documentation must be presented to your dealer for consideration for reimbursement. Please provide original or clear copies of all receipts, invoices, and repair orders that show: • The name and address of the person who paid for the repair. • The Vehicle Identification Number (VIN) of the vehicle that was repaired. • What problem occurred, what repair was done, when the repair was done. • Who repaired the vehicle. • The total cost of the repair expense that is being claimed. • Proof of payment for the repair (such as the front and back of a cancelled check or a credit card receipt). Reimbursement will be made by check from your Daimler Trucks North America LLC dealer. Please speak with your Daimler Trucks North America LLC authorized dealer concerning this matter Daimler Trucks North America LLC Warranty Campaigns Department P.O. Box 4090 Portland, OR 97208-4090 800.547.0712 Phone

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The information contained in this letter supercedes and supplements any related policies and procedures in any previously released bulletins, the Warranty Manual, and/or previously released letters. Failure to read or distribute this letter will not exempt addressees from compliance with the information contained herein. Page 1 of 1 Daimler Trucks North America LLC REF #: ICI22-011 Effective: 02/04/22 Release: 02/04/22 SUBJECT: FL913 – Recall Parts Availability This letter is to inform you that parts for FL913 FCCC Throttle Pedal recall are expected to be in stock 02/25/22. The recall is being released to dealers Friday, 02/04/22, and notices to vehicle owners are being mailed Friday, 02/04/22. This timing is necessary in order to make dealers aware of this recall prior to notifying vehicle owners in the required time frame. If you have questions or need further information, contact the Warranty Campaigns Department by submitting an inquiry through the WSC Link on DTNAConnect from 7:00 a.m. to 4:00 p.m. Pacific Time, Monday through Friday. WARRANTY CAMPAIGNS DEPARTMENT P.O. Box 4090 800-547-0712 Portland, Oregon 97208-4090 FAX 503-745-9009 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 Bus Dealers – U.S. and Canada Direct Warranty Customers – U.S. and Canada If you have questions about this Letter, please submit your inquiry on the Web using the WSC Link on DTNAConnect Subject: FCCC Throttle Pedal Models Affected: Specific model year 2022 Freightliner Custom Chassis B2 school bus chassis (Thomas Built Buses C2 Saf-TLiner), manufactured January 5, 2021, through September 22, 2021, equipped with a specific accelerator pedal. General Information Daimler Trucks North America LLC (DTNA), on behalf of its wholly owned subsidiary, Freightliner Custom Chassis Corporation has decided that a defect that relates to motor vehicle safety exists on the vehicles mentioned above. On certain school buses equipped with a specific accelerator pedal, the accelerator pedal could be misaligned, allowing it to rub against the floor and potentially stick in an off-idle position without the driver’s knowledge. This could cause an unexpected loss of control of the vehicle speed, increasing the risk of a crash. The accelerator pedal assembly will be inspected and replaced if necessary. Repairs will be performed by Daimler Trucks North America authorized service facilities. There are approximately 1,262 vehicles involved in this campaign. Additional Repairs Dealers must complete all outstanding Recall and Field Service campaigns prior to the sale or delivery of a vehicle. A Dealer will be liable for any progressive damage that results from its failure to complete campaigns before sale or delivery of a vehicle. Owners may be liable for any progressive damage that results from failure to complete campaigns within a reasonable time after receiving notification. Work Instructions Please refer to the attached work instructions. Prior to performing the campaign, check the vehicle for a completion sticker (Form WAR260). Replacement Parts Replacement parts are now available and can be obtained by ordering the kit and/or part number(s) listed below from your facing Parts Distribution Center. If our records show your dealership has ordered any vehicle(s) involved in campaign number FL913, a list of the customers and vehicle identification numbers will be available on DTNAConnect. Please refer to this list when ordering parts for this recall. Table 1 – Replacement Parts for FL913 Campaign Number Part Description Part Number Qty. per VIN FL913A PEDAL-BRAKE, PNEUMATIC, A A12-30462-000 1 ea PEDAL ASSY-ACCEL, ADJ A01-35064-000 1 ea FL913B PEDAL-BRAKE, HYDRAULIC, ADJ A12-30464-000 1 ea PEDAL ASSY-ACCEL, ADJ, HYDRO A01-35064-001 1 ea FL913AB BLANK COMPLETION STICKER WAR260 1 ea Table 1 Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 1 Removed Parts U.S. and Canadian Dealers, please follow Warranty Failed Parts Tracking shipping instructions for the disposition of all removed parts. Export distributors, please destroy removed parts unless otherwise advised. Labor Allowance Table 2 – Labor Allowance Campaign Number Procedure Time Allowed (hours) SRT Code Corrective Action FL913A Inspect and R/R pneumatic brake and throttle pedal 1.0 996-R135A 12-Repair Recall/Campaign FL913B Inspect and R/R hydraulic brake and throttle pedal 1.6 996-R135B 12-Repair Recall/Campaign FL913AB Inspect throttle pedal 0.1 996-R135C 06-Inspect Table 2 IMPORTANT: When the Recall has been completed, locate the base completion label in the appropriate location on the vehicle, and attach the red completion sticker provided in the recall kit (Form WAR260). If the vehicle does not have a base completion label, clean a spot on the appropriate location of the vehicle and first attach the base completion label (Form WAR259). If a recall kit is not required or there is no completion sticker in the kit, write the recall number on a blank sticker and attach it to the base completion label. Claims for Credit You will be reimbursed for your parts, labor, and handling (landed cost for Export Distributors) by submitting your claim through the Warranty system within 30 days of completing this campaign. Please reference the following information in OWL: • Claim type is Recall Campaign. • In the Campaign field, enter the campaign number and appropriate condition code (e.g. FL913-A, FL913-B). • In the Primary Failed Part Number field, enter 25-FL913-000. • In the Parts field, enter the appropriate kit or part number(s) as shown in the Replacement Parts Table. • In the Labor field, first enter the appropriate SRT from the Labor Allowance Table. Administrative time will be included automatically as SRT 939-6010A for 0.3 hours. • The VMRS Component Code is F99-999-005 and the Cause Code is A1 – Campaign. • U.S. and Canada — Reimbursement for Prior Repairs. When a customer asks about reimbursement, please do the following: • Accept the documentation of the previous repair. • Make a brief check of the customer’s paperwork to see if the repair may be eligible for reimbursement. (See the “Copy of Owner Letter” section of this bulletin for reimbursement guidelines.) • Submit an OWL Recall Pre-Approval Request for a decision. • Include the approved amount on your claim in the Other Charges section. • Attach the documentation to the pre-approval request. • If approved, submit a based on claim for the pre-approval. • Reimburse the customer the appropriate amount. Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 2 IMPORTANT: OWL must be viewed prior to performing the recall to ensure the vehicle is involved and the campaign has not been previously completed. Also, check for a completion sticker prior to beginning work. U.S. and Canadian dealers, contact the Warranty Campaigns Department via Web inquiry at DTNAConnect.com/WSC, if you have any questions or need additional information. Export distributors, submit a Web inquiry or contact your International Service Manager. U.S. and Canadian Dealers: To return excess kit inventory related to this campaign, U.S. dealers must submit a Parts Authorization Return (PAR) to the Memphis PDC. Canadian dealers must submit a PAR to their facing PDC. All kits must be in resalable condition. PAR requests must include the original purchase invoice number. Export Distributors: Export Distributors: Excess inventory is not returnable. The letter notifying U.S. and Canadian vehicle owners is included for your reference. Please note that the National Traffic and Motor Vehicle Safety Act, as amended (Title 49, United States Code, Chapter 301), requires the owner’s vehicle(s) be corrected within a reasonable time after parts are available to you. The Act states that failure to repair a vehicle within 60 days after tender for repair shall be prima facie evidence of an unreasonable time. However, circumstances of a particular situation may reduce the 60 day period. Failure to repair a vehicle within a reasonable time can result in either the obligation to (a) replace the vehicle with an identical or reasonably equivalent vehicle, without charge, or (b) refund the purchase price in full, less a reasonable allowance for depreciation. The Act further prohibits dealers from selling a vehicle unless all outstanding recalls are performed. Any lessor is required to send a copy of the recall notification to the lessee within 10 days. Any subsequent stage manufacturer is required to forward this notice to its distributors and retail outlets within five working days. Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 3 Copy of Notice to Owners Subject: FCCC Throttle Pedal For the Notice to U.S. Customers: This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. For the Notice to Canadian Customers: 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. Daimler Trucks North America LLC (DTNA), on behalf of its wholly owned subsidiary, Freightliner Custom Chassis Corporation, has decided that a defect that relates to motor vehicle safety exists on specific model year 2022 Freightliner Custom Chassis B2 school bus chassis (Thomas Built Buses C2 Saf-T-Liner), manufactured January 5, 2021, through September 22, 2021, and equipped with a certain accelerator pedal. On certain school buses equipped with a specific accelerator pedal, the accelerator pedal could be misaligned, allowing it to rub against the floor and potentially stick in an off-idle position without the driver’s knowledge. This could cause an unexpected loss of control of the vehicle speed, increasing the risk of a crash. The accelerator pedal assembly will be inspected and replaced if necessary. Repairs will be performed by Daimler Trucks North America authorized service facilities. Please contact an authorized Daimler Trucks North America dealer to arrange to have the Recall performed and to ensure that parts are available at the dealership. The Recall will take approximately one to two hours and will be performed at no charge to you. To locate an authorized dealer, search online at Daimler-TrucksNorthAmerica.com/contact-us/. Scroll down to “Locate a Dealer,” and select the appropriate brand. You may also confirm your vehicle’s involvement in this recall at this URL: https:// dtna-dlrinfo.prd.freightliner.com:48518/VinLookup/vin-module/getVinLookupPage. You may be liable for any progressive damage that results from your failure to complete the Recall within a reasonable time after receiving notification. 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 in the postage-paid envelope 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 the Notice to U.S. Customers: 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 to http://www.safercar.gov. For the Notice to Canadian Customers: If you wish to submit a complaint about this recall, you can contact Transport Canada road safety, 80 rue Noel, Gatineau, Quebec J8Z 0A1 or call (800) 333-0510. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. WARRANTY CAMPAIGNS DEPARTMENT Enclosure Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 4 Reimbursement to Customers for Repairs Performed Prior to Recall If you have already paid to have this recall condition corrected you may be eligible to receive reimbursement. Requests for reimbursement may include parts and labor. Reimbursement may be limited to the amount the repair would have cost if completed by an authorized Daimler Trucks North America LLC dealer. The following documentation must be presented to your dealer for consideration for reimbursement. Please provide original or clear copies of all receipts, invoices, and repair orders that show: • The name and address of the person who paid for the repair • The Vehicle Identification Number (VIN) of the vehicle that was repaired • What problem occurred, what repair was done, when the repair was done • Who repaired the vehicle • The total cost of the repair expense that is being claimed • Proof of payment for the repair (such as the front and back of a cancelled check or a credit card receipt) Reimbursement will be made by check from your Daimler Trucks North America LLC dealer. Please speak with your Daimler Trucks North America LLC authorized dealer concerning this matter. Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 5 Work Instructions Subject: FCCC Throttle Pedal Models Affected: Specific model year 2022 Freightliner Custom Chassis B2 school bus chassis (Thomas Built Buses C2 Saf-TLiner), manufactured January 5, 2021, through September 22, 2021, equipped with a specific accelerator pedal. FL913A Pneumatic Brake Pedal Replacement Inspection 1. Inspect the base label (Form WAR259) for a campaign completion sticker for FL913 (Form WAR260). If a sticker is present for FL913, no work is needed. If there is no sticker, proceed with the steps below. 2. Park the vehicle on a level surface, shut down the engine, and apply the parking brakes. Chock the tires. 3. Inspect the throttle pedal for clearance between the floor and bottom of the pedal. See Fig. 1 for a pedal having sufficient clearance and see Fig. 2 for insufficient clearance between the throttle pedal and the floor. Is there a clearance between the bottom of the throttle pedal and the floor? YES → No further action is required. Go to the next step. NO → Go to Removal below. 02/03/2022 f300432 Fig. 1, Throttle Pedal with Sufficient Clearance 02/03/2022 f300433 Fig. 2, Throttle Pedal with Insufficient Clearance Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 6 4. Clean a spot on the base label (Form WAR259) and attach a campaign completion sticker for FL913 (Form WAR260), indicating this work has been completed. Removal 1. Using the battery disconnect switch located in the battery compartment, shut off the battery power. 2. Drain the air from the air tanks by pumping the brake pedal repeatedly. 3. To make removal easier, adjust the pedals out towards the driver’s seat. See Fig. 3. 4. If equipped, remove the park brake interlock by removing the nut from the throttle pedal bolt located outside the firewall. 01/27/2022 f422815 1 1. Brake Pedal Fig. 3, Brake Pedal Assembly Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 7 6. Remove the three mounting nuts that attach the brake valve to the mounting plate, then push the brake valve assembly to the side. See Fig. 5. 7. Remove the four bolts that attach the brake pedal assembly to the firewall, then pull the brake pedal from the outside and remove it from the vehicle. See Fig. 5. 01/27/2022 f422818 1 2 3 1. Brake Pedal 2. Throttle Pedal Assembly 3. Fasteners, Throttle Pedal Assembly Fig. 4, Pedal Location 02/03/2022 f300434 1 2 1. Fasteners, Brake Valve Assembly 2. Fasteners, Brake Pedal Fig. 5, Fasteners, Brake Valve Mounting Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 8 5. Disconnect the two electrical connectors and one cable from the throttle pedal, then remove the throttle pedal assembly by removing the three mounting bolts. See Fig. 4. from outside the cab. Using a roll pin, attach the brake pedal to the mounting plate. 2. Position the brake pedal assembly on the firewall, then install the four bolts that attach the brake pedal assembly to the firewall. Tighten the bolts 12 lbf·ft (16 N·m). 3. Position the brake valve on the brake pedal assembly, then loosely install the three bolts that attach the valve to the pedal assembly. Ensure the valve is fully seated, then tighten the bolts 11 to 14 lbf·ft (15 to 19 N·m). 4. Install the new split pin into the brake pedal roll pin from the inside of the cab. See Fig. 6 . NOTE: Ensure that a new split pin is installed from the driver’s side, towards the passenger side. 5. Position the brake assembly on the firewall, then install the brake assembly mounting fasteners. Tighten the fasteners 12 lbf·ft (16 N·m), then apply the torque seal. 6. Position the throttle pedal assembly on the firewall, then install the three throttle pedal mounting bolts. Tighten the bolts 13 lbf·ft (18 N·m). See Fig. 4. 7. Connect the two electrical connections and one cable to the throttle pedal. Secure the cable and connectors away from any moving parts. 8. If equipped, install the park brake interlock by installing the nut into the throttle pedal bolt located outside the firewall. Tighten the bolts 13 lbf·ft (18 N·m). 08/10/2020 f422735 1 2 1. Split Roll Pin 2. Brake Pedal Arm Fig. 6, Brake Pedal Disassembly Installation 1. Position a new brake pedal on the firewall inside the cab, and the brake pedal mounting plate on the firewall Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 9 8. To disassemble the brake pedal, remove the split pin from the roll pin, then tap on the roll pin from the passenger side and take the roll pin out from the driver side. See Fig. 6. Go to installation below. 9. Clean a spot on the base label (Form WAR259) and attach a campaign completion sticker for FL913 (Form WAR260), indicating this work has been completed. FL913B Hydraulic Brake Pedal Replacement Inspection 1. Inspect the base label (Form WAR259) for a campaign completion sticker for FL913 (Form WAR260). If a sticker is present for FL913, no work is needed. If there is no sticker, proceed with the steps below. 2. Park the vehicle on a level surface, shut down the engine, and apply the parking brakes. Chock the tires. 3. Inspect the throttle pedal for clearance between the floor and bottom of the pedal. See Fig. 7 for a pedal having sufficient clearance and see Fig. 8 for insufficient clearance between the throttle pedal and the floor. Is there a clearance between the bottom of the throttle pedal and the floor? YES → No further action is required. Go to the next step. NO → Go to Removal below. 4. Clean a spot on the base label (Form WAR259) and attach a campaign completion sticker for FL913 (Form WAR260), indicating this work has been completed. 02/03/2022 f300432 Fig. 7, Throttle Pedal with Sufficient Clearance 02/03/2022 f300433 Fig. 8, Throttle Pedal with Insufficient Clearance Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 10 NOTE: Make notes and take pictures of the brake switch assembly before removing the brake switch from the brake pedal. This will help during the installation. 3. Remove the clevis pin and the hitch pin that attaches the brake switch to the brake pedal, then remove the brake switch from the brake pedal. 01/27/2022 f422818 1 2 3 1. Brake Pedal 2. Throttle Pedal Assembly 3. Fasteners, Throttle Pedal Assembly Fig. 9, Pedal Location Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 11 Removal 1. To make removal easier, use the adjustable pedal switch to move the pedal assembly to the full-out position. 2. Disconnect the two electrical connectors and one cable from the throttle pedal, then remove the throttle pedal assembly by removing the three mounting bolts. See Fig. 9. 5. Using a 3/8 wrench, disconnect the power wire from the brake motor. 6. Remove the ground ring terminal from the lower bolt in the adaptor plate. 7. Remove the brake line retainer clip and flat washer. Set the clip and washer aside for later use. 8. To gain access to the mounting plate at the firewall, disconnect the three electrical connector plugs, one relay, and one ring terminal from the brake valve, so that the brake valve can be moved further. 12/03/2020 f422778 1 2 3 4 1. Master Cylinder Booster Mounting Bolts (qty. 4) 2. Booster Relay Connector 3. Booster Power Stud 4. Brake Line Clip Fig. 10, Booster Connections Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 12 4. To remove power from the power wire and stud on the brake motor, unplug the brake relay connector from the brake relay mounted to the Hydromax, located at the bottom-left of the adaptor plate. See Fig. 10. 11. To disassemble the brake pedal, remove the split pin from the roll pin, then tap on the roll pin from the passenger side and take the roll pin out from the driver side. See Fig. 12. Go to installation below. 02/03/2022 f300434 1 2 1. Fasteners, Brake Valve Assembly 2. Fasteners, Brake Pedal Fig. 11, Fasteners, Brake Valve Mounting 08/10/2020 f422735 1 2 1. Split Roll Pin 2. Brake Pedal Arm Fig. 12, Brake Pedal Disassembly Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 13 10. Remove the four bolts that attach the brake pedal mounting plate to the firewall, then pull the mounting plate from the outside, and remove it from the vehicle. See Fig. 11. 9. Remove the four brake valve mounting fasteners that attach the brake valve to the mounting plate, and push the brake valve to the side. See Fig. 11. 3. Install the four fasteners that attach the brake valve to the mounting plate. Tighten the fasteners 34 lbf·ft (46 N·m). 4. Connect the three electrical connector plugs, one relay and one ring terminal to the brake valve. 5. If the pedal was not assembled as instructed in step 1, install the new split pin into the brake pedal roll pin from inside the cab. See Fig. 12. 6. Using the clevis pin and the hitch pin, attach the brake switch to the brake pedal. 7. Position the throttle pedal assembly on the firewall, then install the three throttle pedal mounting bolts. Tighten the bolts 13 lbf·ft (18 N·m). See Fig. 9. 8. Connect the two electrical connectors and one cable to the throttle pedal. Secure the cable and connectors away from any moving parts. 9. Attach the adjustment cable to the brake pedal. 10. Clean a spot on the base label (Form WAR259) and attach a campaign completion sticker for FL913 (Form WAR260), indicating this work has been completed. Daimler Trucks North America LLC Recall Campaign February 2022 FL913AB NHTSA #21V-945 Transport Canada #2021-738 Page 14 Installation NOTE: The brake pedal assembly can be completely assembled, then inserted through the firewall, if adjusted fully prior to assembly. The brake pedal can be adjusted by connecting the adjustable throttle motor harness to the cab harness, then connecting the brake pedal adjustment cable to the throttle pedal assembly. 1. Using a roll pin, attach a new brake pedal to the brake pedal mounting plate. 2. Position the brake pedal assembly on the firewall, then install the four fasteners that attach the brake pedal mounting plate to the firewall. Tighten the fasteners 12 lbf·ft (16 N·m).See Fig. 11.

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Pending Thomas Built Bus Recall Campaign FL913 Communication Type: Campaigns Date: 12/23/21 The Dealer Network is informed that a RECALL NOTIFICATION has been sent to NHTSA and TRANSPORT CANADA notifying them of an approved DTNA vehicle Recall: Campaign: FL913 TBB Throttle Pedal Sticking NHTSA: 21V945 TC: 2021-738 Vehicle Information: Model Yr. Start: 2022 Model Yr. End: 2022 Make: Thomas Built Buses Model: Saf-T-Liner C2 School Bus Production Dates: Begin: 01/05/2021 End: 09/22/2021 Descriptive Information: On C2 buses equipped with a certain accelerator pedal, the accelerator pedal could be misaligned, allowing it to rub against the floor and potentially stick in an off-idle position without the driver’s knowledge. Describe the defect or noncompliance: On affected chassis, the accelerator pedal may be contacting the floor mat potentially wearing a hole into the mat. In a rare, extreme case, the pedal could catch on the edge of the hole, possibly not allowing the pedal to return to idle. Describe the safety risk: An accelerator pedal stuck in an off idle position, may cause an unexpected loss of control of the vehicle speed, increasing the risk of a crash. Required Action: Until this Recall is released the Dealer Network and Vehicle Operators should, during service events and pre-trip or post trip inspection, visually detect wear marks or a hole being worn into the floor mat directly under the accelerator pedal. If the defect is found the Dealer is to contact their TBB service contact for next steps. Thank you, DTNA Campaign

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-945 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : DEC 08, 2021 NHTSA Recall No. : 21V-945 Manufacturer Recall No. : FL913 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 : 1,218 Estimated percentage with defect : 4 % Vehicle Information : Vehicle 1 : 2022-2022 Thomas Built Buses Saf-T-Liner C2 School Bus Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On C2 buses equipped with a certain accelerator pedal, the accelerator pedal could be misaligned, allowing it to rub against the floor and potentially stick in an off-idle position without the driver’s knowledge. Production Dates : JAN 05, 2021 – SEP 22, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : On affected chassis, the accelerator pedal may be contacting the floor mat potentially wearing a hole into the mat. In a rare, extreme case, the pedal could catch on the edge of the hole, possibly not allowing the pedal to return to idle. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : An accelerator pedal stuck in an off idle position, may cause an unexpected loss of control of the vehicle speed, increasing the risk of a crash. Description of the Cause : NR Identification of Any Warning that can Occur : During a pre-trip or post trip inspection, operators could visually detect wear marks or a hole being worn into the floor mat directly under the accelerator pedal. Involved Components : Part 573 Safety Recall Report 21V-945 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : ACCEL CTRL-C2, ADJ Component Description : ELECTRONIC ACCELERATOR CONTROL Component Part Number : A01-34001-000 Component Name 2 : ACCEL CTRL-C2, ADJ Component Description : ELECTRONIC ACCELERATOR CONTROL Component Part Number : A01-34001-001 Supplier Identification : Component Manufacturer Name : Kongsburg Automotive Address : NR NR Country : NR Chronology : In September of 2021, DTNA received a complaint from a dealer of the throttle pedal sticking to the floor. DTNA immediately opened an investigation into the issue. From late September thru mid-October, DTNA conducted inspections on similarly configured buses at Thomas Built Bus and at Freightliner Custom Chassis. In mid-October, an engineering design evaluation was conducted. In late October, suspect parts were sent to the supplier for testing. In early November, DTNA began its own testing of parts in parallel with the supplier. In mid-November, additional warranty analysis reports were reviewed as well as any customer complaint tickets. On Dec. 1, 2021, DTNA with an abundance of caution, decided to conduct a voluntary recall campaign on certain Thomas Built Buses Saf-T-Liner C2 model school buses with the potential for the accelerator pedal to stick. There are no reported injuries or deaths related to this issue. Description of Remedy : Description of Remedy Program : The accelerator pedal assembly will be inspected and replaced if necessary. Repairs will 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 Part 573 Safety Recall Report 21V-945 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 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 : FEB 05, 2022 – FEB 05, 2022 Planned Owner Notification Date : FEB 05, 2022 – FEB 05, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 21V-945 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : DEC 20, 2021 NHTSA Recall No. : 21V-945 Manufacturer Recall No. : FL913 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 : 1,218 Estimated percentage with defect : 4 % Vehicle Information : Vehicle 1 : 2022-2022 Thomas Built Buses Saf-T-Liner C2 School Bus Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : On C2 buses equipped with a certain accelerator pedal, the accelerator pedal could be misaligned, allowing it to rub against the floor and potentially stick in an off-idle position without the driver’s knowledge. Production Dates : JAN 05, 2021 – SEP 22, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : On affected chassis, the accelerator pedal may be contacting the floor mat potentially wearing a hole into the mat. In a rare, extreme case, the pedal could catch on the edge of the hole, possibly not allowing the pedal to return to idle. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : An accelerator pedal stuck in an off idle position, may cause an unexpected loss of control of the vehicle speed, increasing the risk of a crash. Description of the Cause : NR Identification of Any Warning that can Occur : During a pre-trip or post trip inspection, operators could visually detect wear marks or a hole being worn into the floor mat directly under the accelerator pedal. Involved Components : Part 573 Safety Recall Report 21V-945 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : ACCEL CTRL-C2, ADJ Component Description : ELECTRONIC ACCELERATOR CONTROL Component Part Number : A01-34001-000 Component Name 2 : ACCEL CTRL-C2, ADJ Component Description : ELECTRONIC ACCELERATOR CONTROL Component Part Number : A01-34001-001 Supplier Identification : Component Manufacturer Name : Kongsburg Automotive Address : NR NR Country : NR Chronology : In September of 2021, DTNA received a complaint from a dealer of the throttle pedal sticking to the floor. DTNA immediately opened an investigation into the issue. From late September thru mid-October, DTNA conducted inspections on similarly configured buses at Thomas Built Bus and at Freightliner Custom Chassis. In mid-October, an engineering design evaluation was conducted. In late October, suspect parts were sent to the supplier for testing. In early November, DTNA began its own testing of parts in parallel with the supplier. In mid-November, additional warranty analysis reports were reviewed as well as any customer complaint tickets. On Dec. 1, 2021, DTNA with an abundance of caution, decided to conduct a voluntary recall campaign on certain Thomas Built Buses Saf-T-Liner C2 model school buses with the potential for the accelerator pedal to stick. There are no reported injuries or deaths related to this issue. The initial report contained three additional VINs, alleging to have pedal contact with the floor matting. In mid October, a warranty report revealed a single claim filed in late Sept. 2021 for the pedal contacting the floor. No deaths or injuries have been reported for this issue. Part 573 Safety Recall Report 21V-945 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : The accelerator pedal assembly will be inspected and replaced if necessary. Repairs will 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 : FEB 05, 2022 – FEB 05, 2022 Planned Owner Notification Date : FEB 05, 2022 – FEB 05, 2022 * NR – Not Reported

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