FL-943 – ABS Fault Codes Not Stored – 2022 Freightliner Cascadia

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Defect / Noncompliance Information Report (Section 573.6) FL-943 Date of Submission: June 24, 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: 2022 Model Yr. End: 2022 Make: Freightliner Model: Cascadia Production Dates: Begin: October 28, 2021 End: December 17, 2021 Descriptive Information: Specific vehicles with a limited production braking system will not retain ABS fault information as required by FMVSS 121. Basis for Determination of the Recall Population: All specific limited production vehicles with this design are included. Number potentially involved: 17 Estimated percentage of involved with defect: 100% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: FMVSS 121 requires the retention of ABS fault codes in the system when the vehicle is keyed off and then back on again. If these limited production vehicles are keyed off for more than 5 seconds, the ABS fault codes will not be retained. Describe the safety risk: Retention of ABS fault codes in the system is required for proper diagnosis of any issues with the system and with driver notification of required vehicle maintenance. Driving the vehicle without proper maintenance can increase the risk of a crash. Identify any warning which can precede or occur: The ABS light would be illuminated before the key off cycle occurs. If applicable, identify the manufacture of the defective or noncompliant component.: This is not applicable because there is not a defective part involved. The defective software, supplied by the manufacturer DTNA, not the hardware component created the non-compliance. Involved Components Component Name: Brake Electronic Control Unit Component Description: Brake Controller 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: DTNA discovered that an ABS fault code was not storing during a routine test procedure on June 2, 2022. DTNA promptly began an investigation into the issue, within which investigation it was confirmed to the best of DTNA’s knowledge that the issue exists on 17 specific customer vehicles. On June 22, 2022, DTNA determined that a non-compliance existed and decided to conduct a voluntary non-compliance recall campaign for these limited production vehicles. The investigation found no evidence of accident or injury as a result of the issue. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. The repair strategy is still being determined and is therefore not available at this time. Repairs will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. 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: August 23, 2022 Planned Dealer Notification End Date: August 23, 2022 Planned Owner Notification Begin Date: August 23, 2022 Planned Owner Notification End Date: August 23, 2022 Does DTNA plan to file inconsequentiality petition? ⃝ Yes X No Manufacturer’s identification code for this recall (if applicable): FL-943 DTNA Representative; Sam Geser Manager, Compliance and Regulatory Affairs

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Defect / Noncompliance Information Report (Section 573.6) FL-943 Date of Submission: June 24, 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: 2022 Model Yr. End: 2022 Make: Freightliner Model: Cascadia Production Dates: Begin: October 28, 2021 End: December 17, 2021 Descriptive Information: Specific vehicles with a limited production braking system will not retain ABS fault information as required by FMVSS 121. Basis for Determination of the Recall Population: All specific limited production vehicles with this design are included. Number potentially involved: 17 Estimated percentage of involved with defect: 100% Defect / Noncompliance Description For this Defect/Noncompliance: Describe the defect or noncompliance: FMVSS 121 requires the retention of ABS fault codes in the system when the vehicle is keyed off and then back on again. If these limited production vehicles are keyed off for more than 5 seconds, the ABS fault codes will not be retained. Describe the safety risk: Retention of ABS fault codes in the system is required for proper diagnosis of any issues with the system and with driver notification of required vehicle maintenance. Driving the vehicle without proper maintenance can increase the risk of a crash. Identify any warning which can precede or occur: The ABS light would be illuminated before the key off cycle occurs. If applicable, identify the manufacture of the defective or noncompliant component.: This is not applicable because there is not a defective part involved. Involved Components Component Name: Brake Electronic Control Unit Component Description: Brake Controller 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: DTNA discovered that an ABS fault code was not storing during a routine test procedure on June 2, 2022. DTNA promptly began an investigation into the issue, within which investigation it was confirmed to the best of DTNA’s knowledge that the issue exists on 17 specific customer vehicles. On June 22, 2022, DTNA determined that a non-compliance existed and decided to conduct a voluntary non-compliance recall campaign for these limited production vehicles. The investigation found no evidence of accident or injury as a result of the issue. Identify the Remedy Describe the defect/noncompliance remedy program, including the manufacture’s plan for reimbursement. The repair strategy is still being determined. Repairs will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. 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: August 23, 2022 Planned Dealer Notification End Date: August 23, 2022 Planned Owner Notification Begin Date: August 23, 2022 Planned Owner Notification End Date: August 23, 2022 Does DTNA plan to file inconsequentiality petition? ⃝ Yes X No Manufacturer’s identification code for this recall (if applicable): FL-943 DTNA Representative; Tiffani Torgeson Manager, Compliance and Regulatory Affairs

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Daimler Truck North America LLC August 2022 FL943 Interim Recall Notice NHTSA #22V-456 IMPORTANT SAFETY RECALL See enclosed VIN list Subject: CASCADIA ABS FAULT RETENTION This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Daimler Truck North America LLC (DTNA), on behalf of its Freightliner Trucks Division, has decided that certain 2022 Freightliner Cascadia vehicles manufactured October 28, 2021, through December 17, 2021, fail to conform to Federal Motor Vehicle Safety Standard No. 121, “Air Brake Systems.” On certain limited production vehicles when keyed off for more than 5 seconds, the Anti-lock Brake System (ABS) fault codes will not be retained, which can impair the ABS diagnostic features and warning light. An ABS system that does not store fault codes may fail to warn the driver of an issue, or prevent proper repair. Operating a vehicle that may fail to warn the driver of an issue, or prevent proper repair can increase the risk of a crash. This is the first of two notices you will receive regarding this subject. This letter is to inform you of an upcoming Recall to correct the issue noted above. Daimler Trucks is currently working on a solution. There is no action for you to take at this time. The second notice will inform you when the free, final remedy is available. When you receive the second notice, please contact your authorized Daimler Trucks North America dealer to schedule the Recall for your vehicle. 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 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

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Daimler Trucks North America, LLC 4747 N. Channel Avenue Portland OR 97217-7699 Phone: 503-745-8000 October 07, 2022 Emily Smith Recall Analyst Department of Transportation National Highway Traffic Safety Administration 1200 New Jersey Avenue SE., Washington, DC 20590 Office: 202-366-1060 Subject: Letter in-lieu of a Dealer Notification NHTSA SB No. 22V-339, 22V443, 22V456, 22V468 Manufacturer number: FL932, FL941, FL943, FL945 Ms. Smith, There will be no Dealer Notification for safety recall 22V-339, 22V443, 22V456, 22V468. DTNA has tracked all of the vehicles in this limited population and knows with certainty that none of the vehicles remain in the hands of a dealership. Due to the limited population subject to the recall, DTNA will work with the lone customer to get the vehicles repaired. Therefore, no dealership letter is needed in this unique case. Please contact me if you have any questions. Sincerely, Sam Geser Sam Geser Manager, Compliance and Regulatory Affairs Daimler Trucks North America Sam Geser Product Defect Investigation Engineering Manager Compliance and Regulatory Affairs

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-456 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : JUL 05, 2022 NHTSA Recall No. : 22V-456 Manufacturer Recall No. : FL-943 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 : 17 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 Freightliner Cascadia Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : Specific vehicles with a limited production braking system will not retain ABS fault information as required by FMVSS 121. Production Dates : OCT 28, 2021 – DEC 21, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Noncompliance : Description of the Noncompliance : FMVSS 121 requires the retention of ABS fault codes in the system when the vehicle is keyed off and then back on again. If these limited production vehicles are keyed off for more than 5 seconds, the ABS fault codes will not be retained. FMVSS 1 : 121 – Air brake systems FMVSS 2 : NR Description of the Safety Risk : Retention of ABS fault codes in the system is required for proper diagnosis of any issues with the system and with driver notification of required vehicle maintenance. Driving the vehicle without proper maintenance can increase the risk of a crash. Description of the Cause : NR Identification of Any Warning that can Occur : The ABS light would be illuminated before the key off cycle occurs. Involved Components : Part 573 Safety Recall Report 22V-456 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Brake Electronic Control Unit Component Description : Brake Controller Component Part Number : WAB884 109 215 0 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : DTNA discovered that an ABS fault code was not storing during a routine test procedure on June 2, 2022. DTNA promptly began an investigation into the issue, within which investigation it was confirmed to the best of DTNA’s knowledge that the issue exists on 17 specific customer vehicles. On June 22, 2022, DTNA determined that a non-compliance existed and decided to conduct a voluntary non-compliance recall campaign for these limited production vehicles. The investigation found no evidence of accident or injury as a result of the issue. Description of Remedy : Description of Remedy Program : The repair strategy is still being determined and is therefore not available at this time. Repairs will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. 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. Part 573 Safety Recall Report 22V-456 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Planned Dealer Notification Date : AUG 23, 2022 – AUG 23, 2022 Planned Owner Notification Date : AUG 23, 2022 – AUG 23, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-456 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Daimler Trucks North America, LLC Submission Date : JUN 24, 2022 NHTSA Recall No. : 22V-456 Manufacturer Recall No. : FL-943 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 : 17 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2022 Freightliner Cascadia Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : Power Train : NR Descriptive Information : Specific vehicles with a limited production braking system will not retain ABS fault information as required by FMVSS 121. Production Dates : OCT 28, 2021 – DEC 21, 2021 VIN Range 1 : Begin : NR End : NR Not sequential Description of Noncompliance : Description of the Noncompliance : FMVSS 121 requires the retention of ABS fault codes in the system when the vehicle is keyed off and then back on again. If these limited production vehicles are keyed off for more than 5 seconds, the ABS fault codes will not be retained. FMVSS 1 : 121 – Air brake systems FMVSS 2 : NR Description of the Safety Risk : Retention of ABS fault codes in the system is required for proper diagnosis of any issues with the system and with driver notification of required vehicle maintenance. Driving the vehicle without proper maintenance can increase the risk of a crash. Description of the Cause : NR Identification of Any Warning that can Occur : The ABS light would be illuminated before the key off cycle occurs. Involved Components : Part 573 Safety Recall Report 22V-456 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Brake Electronic Control Unit Component Description : Brake Controller Component Part Number : WAB884 109 215 0 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : DTNA discovered that an ABS fault code was not storing during a routine test procedure on June 2, 2022. DTNA promptly began an investigation into the issue, within which investigation it was confirmed to the best of DTNA’s knowledge that the issue exists on 17 specific customer vehicles. On June 22, 2022, DTNA determined that a non-compliance existed and decided to conduct a voluntary non-compliance recall campaign for these limited production vehicles. The investigation found no evidence of accident or injury as a result of the issue. Description of Remedy : Description of Remedy Program : The repair strategy is still being determined. Repairs will be performed by Daimler Truck North America authorized service facilities. Daimler Truck North America shall be offering a refund for owner-paid repairs covered by this recall if the repair was performed prior to the date indicated in the reimbursement plan, which will be posted with owner’s notification letter. Owners are directed to seek reimbursement through authorized dealers. 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 : AUG 23, 2022 – AUG 23, 2022 Part 573 Safety Recall Report 22V-456 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Planned Owner Notification Date : AUG 23, 2022 – AUG 23, 2022 * NR – Not Reported

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