Recall 178 – Cables May Contact Brackets Causing Short Circuit – 2020-2024 Winnebago Revel Motorhomes

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-663 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Winnebago Industries, Inc. Submission Date : SEP 29, 2023 NHTSA Recall No. : 23V-663 Manufacturer Recall No. : 178 Manufacturer Information : Manufacturer Name : Winnebago Industries, Inc. Address : PO BOX 152 605 W. Crystal Lake Rd. Forest City IA 50436 Company phone : 1-641-585-3535 Population : Number of potentially involved : 4,968 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2024 Winnebago Revel Vehicle Type : Body Style : Power Train : NR Descriptive Information : The recall population was determined by identifying all Winnebago Revel motorhomes with a lithium house power system. Production Dates : DEC 20, 2019 – SEP 25, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Cables in the area of lithium batteries may come into contact with hold down brackets, becoming damaged and resulting in a short circuit. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A short circuit can result in a thermal incident. Description of the Cause : Improper routing and retention of current carrying cables. Identification of Any Warning that can Occur : No warning can be identified that precedes failure. Involved Components : Part 573 Safety Recall Report 23V-663 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Harness-Anderson, 36 Inch Component Description : Harness-Anderson, 36 Inch Component Part Number : 000242259A Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : On or about 08/16/2023 Winnebago was made aware of a field incident where an electrical cable had been worn or chaffed and created a short circuit. An investigation of this incident found cables in contact with the battery hold down bracket that can result in a short circuit. On Thursday, September 28, 2023 the Product Safety Committee reviewed all available information and determined the issue presents an unreasonable risk to motor vehicle safety and a recall was initiated. Winnebago is aware of 5 incidents potentially related to this condition, the first wear incident occurred on or about January 2022. Winnebago is not aware of any injuries or property damage as a result of this issue. Description of Remedy : Description of Remedy Program : The remedy to correct this recall condition is under development. Reimbursement requests will follow the general reimbursement plan on file with NHTSA. How Remedy Component Differs from Recalled Component : The remedy component will have proper routing, securement and protection of the cable. Identify How/When Recall Condition was Corrected in Production : Hold notice #1142 was issued to contain unshipped product and provide updated work instructions to manufacturing. Recall Schedule : Part 573 Safety Recall Report 23V-663 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Recall Schedule : The recall schedule will follow the 60 day requirement. Planned Dealer Notification Date : OCT 13, 2023 – OCT 13, 2023 Planned Owner Notification Date : NOV 28, 2023 – NOV 28, 2023 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-663 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Winnebago Industries, Inc. Submission Date : OCT 02, 2023 NHTSA Recall No. : 23V-663 Manufacturer Recall No. : 178 Manufacturer Information : Manufacturer Name : Winnebago Industries, Inc. Address : PO BOX 152 605 W. Crystal Lake Rd. Forest City IA 50436 Company phone : 1-641-585-3535 Population : Number of potentially involved : 4,968 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2020-2024 Winnebago Revel Vehicle Type : Body Style : Power Train : NR Descriptive Information : The recall population was determined by identifying all Winnebago Revel motorhomes with a lithium house power system. Production Dates : DEC 20, 2019 – SEP 25, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : Cables in the area of lithium batteries may come into contact with hold down brackets, becoming damaged and resulting in a short circuit. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : A short circuit can result in a thermal incident. Description of the Cause : Improper routing and retention of current carrying cables. Identification of Any Warning that can Occur : No warning can be identified that precedes failure. Involved Components : Part 573 Safety Recall Report 23V-663 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Harness-Anderson, 36 Inch Component Description : Harness-Anderson, 36 Inch Component Part Number : 000242259A Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : On or about 07/16/2023 NHTSA ODI provided Winnebago with a customer complaint regarding a worn electrical cable. An investigation was subsequently initiated based on this complaint. On or about 08/16/2023 Winnebago was made aware of a field incident where an electrical cable had been worn or chaffed and created a short circuit which resulted in a fire which was contained by the customer. An investigation of the incident found worn cables in contact with the battery hold down bracket as the cause of the short circuit. A further review of production routing and all available data was conducted. On 9/28/2023 the Product Safety Committee reviewed all available information and determined the issue presented an unreasonable risk to motor vehicle safety and a recall was initiated. Winnebago is aware of 5 incidents potentially related to this condition, the first wear incident occurred on or about January 2022. Winnebago is not aware of any injuries as a result of this issue. Description of Remedy : Description of Remedy Program : The remedy to correct this recall condition is under development. Reimbursement requests will follow the general reimbursement plan on file with NHTSA. Part 573 Safety Recall Report 23V-663 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 How Remedy Component Differs from Recalled Component : The remedy component will have proper routing, securement and protection of the cable. Identify How/When Recall Condition was Corrected in Production : Hold notice #1142 was issued to contain unshipped product and provide updated work instructions to manufacturing. Recall Schedule : Description of Recall Schedule : The recall schedule will follow the 60 day requirement. Planned Dealer Notification Date : OCT 13, 2023 – OCT 13, 2023 Planned Owner Notification Date : NOV 28, 2023 – NOV 28, 2023 * NR – Not Reported

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