FL919 – Software System Error May Cause Loss of Brakes – 2022 Freightliner Cascadia

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Internal Amended Defect Information Report (Section 573.6) FL919 Date of Submission: February 22, 2022 (Amended on April 5, 2022) Manufacturer: Daimler Truck 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: Freightliner Model: Cascadia Production Dates: Begin: 05/12/2021 End: 11/18/2021 Descriptive Information: Specific vehicles with a certain limited-production software version and a specific braking electronic control unit. Number potentially involved: 9 Estimated percentage of involve with defect: 100% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: It is possible to have a braking system error on vehicles with a certain combination of software and ABS hardware, which can lead to a loss of vehicle brakes, including alternate method of setting the parking brake. Describe the safety risk: Loss of vehicle braking capability may lead to an increase crash risk. Identify any warning which can precede or occur: Brake malfunction telltale on dash. Internal If applicable, identify the manufacture of the defective or noncompliant component.: ZF Group Viviane Silva International Projects – Legal & Compliance Leader 1220 Pacific Drive, Auburn Hills, MI 48326, USA Mobile +1 248-739-1533 viviane.silva@zf.com Involved Components Component Name: ABS ECU Component Description: Anti-lock brake system electronic control unit Component Part Number: WAB884 109 215 0 Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision: February 18, 2022 DTNA received a report of a limited-production vehicle for test purposes, but with FMVSS certification, having unresponsive brakes while resetting a specific ECU and while operating at low speed. DTNA promptly investigated the issue and was able to reproduce the event and reviewed the potentially affected population. The population was found to be a very specific group of customer vehicles. February 21, 2022, out of an abundance of caution, DTNA decided to conduct a voluntary safety recall campaign for the this very specific group of vehicles. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. The software will be updated on these vehicles. 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: 04/23/2022 Planned Dealer Notification End Date: 04/23/2022 Planned Owner Notification Begin Date: 04/23/2022 Planned Owner Notification End Date: 04/23/2022 Manufacture’s identification code for this recall (if applicable): FL919 DTNA Representative; Tiffani Torgeson Manager, Compliance and Regulatory Affairs

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Defect Information Report (Section 573.6) FL919 Date of Submission: February 22, 2022 Manufacturer: Daimler Truck 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: Freightliner Model: Cascadia Production Dates: Begin: 05/12/2021 End: 11/18/2021 Descriptive Information: Specific vehicles with a certain limited-production software version and a specific ABS ECU. Number potentially involved: 9 Estimated percentage of involve with defect: 100% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: It is possible to have a shutdown of a certain ECU on vehicles with this combination of software and ABS ECU, which can lead to a loss of vehicle brakes, including parking brake function. Describe the safety risk: Loss of vehicle braking capability may lead to an increase crash risk. Identify any warning which can precede or occur: Brake malfunction telltale on dash. If applicable, identify the manufacture of the defective or noncompliant component. : Involved Components Component Name: ABS ECU Component Description: ABS ECU Component Part Number: Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision: February 18, 2022 DTNA received a report of a limited-production vehicle for test purposes, but with FMVSS certification, having unresponsive brakes while resetting a specific ECU and while operating at low speed. DTNA promptly investigated the issue and was able to reproduce the event and reviewed the potentially affected population. The population was found to be a very specific group of customer vehicles. February 21, 2022, out of an abundance of caution, DTNA decided to conduct a voluntary safety recall campaign for the this very specific group of vehicles. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. The remedy for this recall is still being determined. 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: 04/23/2022 Planned Dealer Notification End Date: 04/23/2022 Planned Owner Notification Begin Date: 04/23/2022 Planned Owner Notification End Date: 04/23/2022 Manufacture’s identification code for this recall (if applicable): FL919 DTNA Representative; Tiffani Torgeson Manager, Compliance and Regulatory Affairs

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Defect Information Report (Section 573.6) FL919 Date of Submission: February 22, 2022 (Amended on March 2, 2022) Manufacturer: Daimler Truck 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: Freightliner Model: Cascadia Production Dates: Begin: 05/12/2021 End: 11/18/2021 Descriptive Information: Specific vehicles with a certain limited-production software version and a specific braking electronic control unit. Number potentially involved: 9 Estimated percentage of involve with defect: 100% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: It is possible to have a braking system error on vehicles with a certain combination of software and ABS hardware, which can lead to a loss of vehicle brakes, including alternate method of setting the parking brake. Describe the safety risk: Loss of vehicle braking capability may lead to an increase crash risk. Identify any warning which can precede or occur: Brake malfunction telltale on dash. If applicable, identify the manufacture of the defective or noncompliant component.: Involved Components Component Name: ABS ECU Component Description: Anti-lock brake system electronic control unit Component Part Number: Chronology of Defect / Noncompliance Determination Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision: February 18, 2022 DTNA received a report of a limited-production vehicle for test purposes, but with FMVSS certification, having unresponsive brakes while resetting a specific ECU and while operating at low speed. DTNA promptly investigated the issue and was able to reproduce the event and reviewed the potentially affected population. The population was found to be a very specific group of customer vehicles. February 21, 2022, out of an abundance of caution, DTNA decided to conduct a voluntary safety recall campaign for the this very specific group of vehicles. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. The software will be updated on these vehicles. 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: 04/23/2022 Planned Dealer Notification End Date: 04/23/2022 Planned Owner Notification Begin Date: 04/23/2022 Planned Owner Notification End Date: 04/23/2022 Manufacture’s identification code for this recall (if applicable): FL919 DTNA Representative; Tiffani Torgeson Manager, Compliance and Regulatory Affairs

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Daimler Trucks North America, LLC 4747 N. Channel Avenue Portland OR 97217-7699 Phone: 503-745-8000 April 14, 2022 Michelle Rice Recall Analyst Department of Transportation National Highway Traffic Safety Administration 1200 New Jersey Avenue SE., Washington, DC 20590 Office: 202-366-1060 Subject: Freightliner Cascadia Braking Software NHTSA NS No. 22V-101 Manufacturer number: FL-919 Ms. Rice, There will be no publications for safety recall 22V-101. All vehicles within this recall campaign have been repaired prior to the publication of a Dealer’s Bulletin or Owner Notification. All impacted serial numbers were repaired from 3/10/2022 – 4/13/2022 Please contact me if you have any questions. Sincerely, Tiffani Torgeson Executive Manager, Vehicle Safety Compliance and Regulatory Affairs Daimler Trucks North America Tiffani Torgeson Executive Manager, Vehicle Safety Compliance and Regulatory Affairs

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-101 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : APR 05, 2022 NHTSA Recall No. : 22V-101 Manufacturer Recall No. : FL919 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 : 9 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 Freightliner Cascadia Vehicle Type : Body Style : Power Train : NR Descriptive Information : Specific vehicles with a certain limited-production software version and a specific braking electronic control unit. Production Dates : MAY 12, 2021 – NOV 18, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : It is possible to have a braking system error on vehicles with a certain combination of software and ABS hardware, which can lead to a loss of vehicle brakes, including alternate method of setting the parking brake. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Loss of vehicle braking capability may lead to an increase crash risk. Description of the Cause : NR Identification of Any Warning that can Occur : Brake malfunction telltale on dash. Involved Components : Part 573 Safety Recall Report 22V-101 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : ABS ECU Component Description : Antilock Brake System Electronic Control Unit Component Part Number : WAB884 109 215 0 Supplier Identification : Component Manufacturer Name : ZF Group Address : 1220 Pacific Drive Auburn Hills Michigan 48326 Country : United States Chronology : February 18, 2022 DTNA received a report of a limited-production vehicle for test purposes, but with FMVSS certification, having unresponsive brakes while resetting a specific ECU and while operating at low speed. DTNA promptly investigated the issue and was able to reproduce the event and reviewed the potentially affected population. The population was found to be a very specific group of customer vehicles. February 21, 2022, out of an abundance of caution, DTNA decided to conduct a voluntary safety recall campaign for the this very specific group of vehicles. Description of Remedy : Description of Remedy Program : The software will be updated on these vehicles. 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 : APR 23, 2022 – APR 23, 2022 Planned Owner Notification Date : APR 23, 2022 – APR 23, 2022 Part 573 Safety Recall Report 22V-101 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-101 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : MAR 02, 2022 NHTSA Recall No. : 22V-101 Manufacturer Recall No. : FL919 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 : 9 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 Freightliner Cascadia Vehicle Type : Body Style : Power Train : NR Descriptive Information : Specific vehicles with a certain limited-production software version and a specific braking electronic control unit. Production Dates : MAY 12, 2021 – NOV 18, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : It is possible to have a braking system error on vehicles with a certain combination of software and ABS hardware, which can lead to a loss of vehicle brakes, including alternate method of setting the parking brake. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Loss of vehicle braking capability may lead to an increase crash risk. Description of the Cause : NR Identification of Any Warning that can Occur : Brake malfunction telltale on dash. Involved Components : Part 573 Safety Recall Report 22V-101 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : ABS ECU Component Description : Antilock Brake System Electronic Control Unit Component Part Number : NR Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : February 18, 2022 DTNA received a report of a limited-production vehicle for test purposes, but with FMVSS certification, having unresponsive brakes while resetting a specific ECU and while operating at low speed. DTNA promptly investigated the issue and was able to reproduce the event and reviewed the potentially affected population. The population was found to be a very specific group of customer vehicles. February 21, 2022, out of an abundance of caution, DTNA decided to conduct a voluntary safety recall campaign for the this very specific group of vehicles. Description of Remedy : Description of Remedy Program : The software will be updated on these vehicles. 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 : APR 23, 2022 – APR 23, 2022 Planned Owner Notification Date : APR 23, 2022 – APR 23, 2022 Part 573 Safety Recall Report 22V-101 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-101 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : FEB 22, 2022 NHTSA Recall No. : 22V-101 Manufacturer Recall No. : FL919 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 : 9 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 Freightliner Cascadia Vehicle Type : Body Style : Power Train : NR Descriptive Information : Specific vehicles with a certain limited-production software version and a specific ABS ECU. Production Dates : MAY 12, 2021 – NOV 18, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : It is possible to have a shutdown of a certain ECU on vehicles with this combination of software and ABS ECU, which can lead to a loss of vehicle brakes, including parking brake function. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Loss of vehicle braking capability may lead to an increase crash risk. Description of the Cause : NR Identification of Any Warning that can Occur : Brake malfunction telltale on dash. Involved Components : Part 573 Safety Recall Report 22V-101 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : ABS ECU Component Description : ABS ECU Component Part Number : NR Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : February 18, 2022 DTNA received a report of a limited-production vehicle for test purposes, but with FMVSS certification, having unresponsive brakes while resetting a specific ECU and while operating at low speed. DTNA promptly investigated the issue and was able to reproduce the event and reviewed the potentially affected population. The population was found to be a very specific group of customer vehicles. February 21, 2022, out of an abundance of caution, DTNA decided to conduct a voluntary safety recall campaign for the this very specific group of vehicles. Description of Remedy : Description of Remedy Program : The remedy for this recall is still being determined. 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 : APR 23, 2022 – APR 23, 2022 Planned Owner Notification Date : APR 23, 2022 – APR 23, 2022 Part 573 Safety Recall Report 22V-101 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 * NR – Not Reported

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