Tire Pressure Regulation System Failure – 2024 Great Dane Champion & Everest Dry Van Trailers

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-427 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Great Dane Trailers Submission Date : JUN 14, 2023 NHTSA Recall No. : 23V-427 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Great Dane Trailers Address : 602 E Lathrop Avenue Savannah GA 31415 Company phone : 912-232-4471 Population : Number of potentially involved : NR Estimated percentage with defect : NR Vehicle Information : Vehicle 1 : 2024-2024 Great Dane Everest and Champion Vehicle Type : TRAILERS Body Style : OTHER Power Train : NR Descriptive Information : Certain model year 2024 Great Dane produced Everest Refrigerated, and Champion Dry van trailers were equipped with Holland’s Tire Pilot Plus system. Under certain circumstances, the Tire Pilot Plus (TPP) tire pressure management system allows all 8 tires on a trailer to lose pressure. The condition exists on Tire Pilot Plus models with electronic control units which were first supplied to Great Dane beginning on December 2022. TPP units that are controlled by a manual pressure adjustment feature are not impacted by the defect. Production Dates : JAN 13, 2023 – JUN 09, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Certain model year 2024 Great Dane produced Everest Refrigerated, and Champion Dry van trailers were equipped with Holland’s Tire Pilot Plus system. Some trailers equipped with Tire Pilot Plus – Electronic Regulator Control Unit Assembly tire pressure regulation system (TPRS) are experiencing unintended loss of pressure of all 8 tires while traveling at speeds higher than 45 mph. This loss of pressure event occurs only on Tire Pilot Plus – Electronic Regulator Control Unit Assembly that was launched by SAF-HOLLAND in late 2022. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Reduced vehicle control and/or stability. Risk of tire tread separation and debris on the road, increasing the likelihood of a crash. Part 573 Safety Recall Report 23V-427 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of the Cause : The root cause of the defect is not known at this time Identification of Any Warning that can Occur : These trailers are equipped with a warning light that notifies the driver when the tire pressure drops below 80 PSI. The function of the warning light may be intermittent on effected units. Involved Components : Component Name 1 : The root cause of the defect is not known at this Component Description : The root cause of the defect is not known at this time Component Part Number : The root cause of the defect is not known at this time Supplier Identification : Component Manufacturer Name : SAF-Holland Address : 1950 Industrial Blvd Muskegon Michigan 49442 Country : United States Chronology : April 27, 2023 The customer reported the first case of tires going flat April 27, 2023 – May 24, 2023 The customer reported 11 additional cases May 24, 2023 Great Dane Manufacturing reported 8 failures that were discovered at the manufacturing facilities June 02, 2023 Holland reported to Great Dane that they determined that this was a safety issue, and they intended to file a 573 June 09, 2023 Holland notified Great Dane that they had filed their 573 by provided a copy of their 573 to Great Dane Part 573 Safety Recall Report 23V-427 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : The interim corrective action is to disable the TPP system and for fleets to manage tire pressure manually. The final corrective action will not be known until the root cause has been determined. SAF-HOLLAND will pay appropriate costs. How Remedy Component Differs from Recalled Component : The Interim corrective action will result in disconnected air supply hoses on all tires and at the ECU. Identify How/When Recall Condition was Corrected in Production : Permanent corrective action for production processes will follow the root cause determination. Recall Schedule : Description of Recall Schedule : An interim customer notification letter will, after NHTSA approval be mailed to all sold to customers. The letter will include a SAF-Holland service bulletin advising owners to disable their TPP System and telling them how to do so. Once the root cause has been identified and permanent corrective action has been developed, a customer notification letter will be sent out, after NHTSA approval. Great Dane intends to provide the interim notice to all parties by August 8, 2023. Planned Dealer Notification Date : AUG 08, 2023 – AUG 08, 2023 Planned Owner Notification Date : AUG 08, 2023 – AUG 08, 2023 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-427 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Great Dane Trailers Submission Date : JUN 20, 2023 NHTSA Recall No. : 23V-427 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Great Dane Trailers Address : 602 E Lathrop Avenue Savannah GA 31415 Company phone : 912-232-4471 Population : Number of potentially involved : 2,426 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2024-2024 Great Dane Everest and Champion Vehicle Type : TRAILERS Body Style : OTHER Power Train : NR Descriptive Information : Certain model year 2024 Great Dane produced Everest Refrigerated, and Champion Dry van trailers were equipped with Holland’s Tire Pilot Plus system. Under certain circumstances, the Tire Pilot Plus (TPP) tire pressure management system allows all 8 tires on a trailer to lose pressure. The condition exists on Tire Pilot Plus models with electronic control units which were first supplied to Great Dane beginning on December 2022. TPP units that are controlled by a manual pressure adjustment feature are not impacted by the defect. Production Dates : JAN 13, 2023 – JUN 09, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Certain model year 2024 Great Dane produced Everest Refrigerated, and Champion Dry van trailers were equipped with Holland’s Tire Pilot Plus system. Some trailers equipped with Tire Pilot Plus – Electronic Regulator Control Unit Assembly tire pressure regulation system (TPRS) are experiencing unintended loss of pressure of all 8 tires while traveling at speeds higher than 45 mph. This loss of pressure event occurs only on Tire Pilot Plus – Electronic Regulator Control Unit Assembly that was launched by SAF-HOLLAND in late 2022. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Reduced vehicle control and/or stability. Risk of tire tread separation and debris on the road, increasing the likelihood of a crash. Part 573 Safety Recall Report 23V-427 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of the Cause : The root cause of the defect is not known at this time Identification of Any Warning that can Occur : These trailers are equipped with a warning light that notifies the driver when the tire pressure drops below 80 PSI. The function of the warning light may be intermittent on effected units. Involved Components : Component Name 1 : SAF Holland Tire Pilot Plus Component Description : Tire inflation system with electronic regulator assembly Component Part Number : 40500456 / 2116300001370 Supplier Identification : Component Manufacturer Name : SAF-Holland Address : 1950 Industrial Blvd Muskegon Michigan 49442 Country : United States Chronology : April 27, 2023 The customer reported the first case of tires going flat April 27, 2023 – May 24, 2023 The customer reported 11 additional cases May 24, 2023 Great Dane Manufacturing reported 8 failures that were discovered at the manufacturing facilities June 02, 2023 Holland reported to Great Dane that they determined that this was a safety issue, and they intended to file a 573 June 09, 2023 Holland notified Great Dane that they had filed their 573 by provided a copy of their 573 to Great Dane Part 573 Safety Recall Report 23V-427 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : The interim corrective action is to disable the TPP system and for fleets to manage tire pressure manually. The final corrective action will not be known until the root cause has been determined. SAF-HOLLAND will pay the customer directly for performing the prescribed repair. How Remedy Component Differs from Recalled Component : The Interim corrective action will result in disconnected air supply hoses on all tires and at the ECU. Identify How/When Recall Condition was Corrected in Production : Permanent corrective action for production processes will follow the root cause determination. Recall Schedule : Description of Recall Schedule : An interim customer notification letter will, after NHTSA approval be mailed to all sold to customers. The letter will include a SAF-Holland service bulletin advising owners to disable their TPP System and telling them how to do so. Once the root cause has been identified and permanent corrective action has been developed, a customer notification letter will be sent out, after NHTSA approval. Great Dane intends to provide the interim notice to all parties by August 8, 2023. Planned Dealer Notification Date : AUG 08, 2023 – AUG 08, 2023 Planned Owner Notification Date : AUG 08, 2023 – AUG 08, 2023 * NR – Not Reported

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