Park Brake Interlock Valve Incorrectly Installed – 2023 Spartan RV Chassis K4 Motorhomes

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The Shyft Group, Inc. November 15, 2022 Bozzuto, Dan 6617 Camelia Dr. San Jose, CA 95120 IMPORTANT SAFETY RECALL – 22V-776 This notice applies to the vehicle identification number in the label below. 4VZ1U1R19PC092016 Dear Valued Customer, This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act. The Shyft Group, Inc. has decided that a defect which relates to motor vehicle safety exists in certain model year 2023, K4 model Spartan RV chassis equipped with a park brake interlock. What is the Defect? The pneumatic park brake interlock valve may be installed and plumbed incorrectly. What is the Safety Risk? An incorrectly plumbed pneumatic park brake interlock valve may cause inadvertent application of the park brake. What is the Warning? This could increase the risk of a crash and could occur without warning. What is the Remedy? Inspection of the valve orientation and plumbing should only take 0.25 hours. If needed, the orientation of the valve and correction of the plumbing should take approximately 1 hour. The Shyft Group, Inc. Both the inspection and repair, if needed, will be done at no charge to you. What You Should Do: Call Spartan RV Chassis at 855.589.9836 option 0 to locate a qualified service center near you for the inspection. Steps will be taken to ensure the work is performed at the nearest service center. For the steering gear replacement, we recommend the vehicle be returned to the factory. Call Spartan RV Chassis at 1-800-543-4277. Leased Vehicles: The lessor must notify the lessee by first class mail within ten (10) days from receipt of their owner notification letter from the manufacturer; both for the initial notification and all subsequent notifications. Reimbursement: If you had this repair performed before you received this letter, you may be eligible to receive reimbursement for the cost of obtaining a pre-notification remedy of the problem associated with this recall. For more information contact Spartan RV Chassis at 855.589.9836 option 0. Reply Card: Please fill out the enclosed prepaid postcard and mail it to us if you have changed your address, sold, or traded the vehicle. If the authorized service center has failed or is unable to remedy the defect without charge and within a reasonable time, contact Spartan RV Chassis at 1-800-543-4277. You may also submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, D.C. 20590 or call the Auto Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov if you feel the manufacturer has failed or is unable to remedy the defect without charge. We regret any inconvenience this service may cause you. Your safety and continued satisfaction with the quality and performance of your chassis is of the utmost concern to us. Sincerely, Spartan RV Chassis

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-776 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Shyft Group Submission Date : FEB 10, 2023 NHTSA Recall No. : 22V-776 Manufacturer Recall No. : 21-12 Manufacturer Information : Manufacturer Name : Shyft Group Address : 1541 Reynolds Road Charlotte MI 48813 Company phone : 517-543-6400 Population : Number of potentially involved : 15 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2023-2023 Spartan RV Chassis K4 Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Vehicles subject to this recall are equipped with a park brake interlock system which requires the synchronous valve (3616-MM5-001) Production Dates : JAN 13, 2022 – MAY 25, 2022 VIN Range 1 : Begin : 4VZ1U1R1XPC092011 End : 4VZ1U1R14PC092294 ✔ Not sequential Description of Defect : Description of the Defect : The pneumatic park brake interlock valve may be incorrectly installed and plumbed incorrectly. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : An incorrectly plumbed pneumatic park brake interlock valve may cause inadvertent application of the park brake. This could increase the risk of a crash. Description of the Cause : Operator on the line installed the valve incorrectly which led to incorrect plumbing of the pneumatic circuit. Identification of Any Warning that can Occur : The park brake could apply without warning. Involved Components : Part 573 Safety Recall Report 22V-776 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Synchronous Valve Component Description : Air Brake Valve Component Part Number : 3616-MM5-001 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : On June 9 2022, Shyft received a complaint of the rear brakes overheating on the rear drive axle. On June 10, 2022, Shyft received a complaint involving the inadvertent application of the park brake. At that point, Shyft, in conjunction with the final stage manufacturer, conducted an inspection at their location of all coaches to determine if the valve was installed, and plumbed correctly. No non-conformances were found. However, Shyft continued to investigate by reviewing build records for the two complainant vehicles to understand if there was a change in personnel (reviewing operator sign-off). No change in personnel was identified. On September 7, 2022, an issue was identified in production that indicated the valve could be installed incorrectly and therefore subject to incorrect plumbing. Shyft continued to evaluate the issue and on October 13, 2022, in an overabundance of caution, Shyft determined a safety related defect could exist in the affected vehicles. Description of Remedy : Description of Remedy Program : The orientation and plumbing scheme will be inspected and corrected if needed. This will be done at no charge. Vehicles subject to this recall are within their warranty period and any associated complaint would have been covered at no charge through the normal warranty process. How Remedy Component Differs from Recalled Component : The remedied vehicles will have the valve installed in the correct orientation and plumbed correctly. Identify How/When Recall Condition was Corrected in Production : The recall condition was corrected by error proofing the installation on, or near, June 5, 2022. Recall Schedule : Part 573 Safety Recall Report 22V-776 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Recall Schedule : Owner notification is expected to begin on, or before, October 28, 2022. Shyft does not have dealers for this product. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : OCT 28, 2022 – OCT 28, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-776 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Shyft Group Submission Date : OCT 14, 2022 NHTSA Recall No. : 22V-776 Manufacturer Recall No. : 21-12 Manufacturer Information : Manufacturer Name : Shyft Group Address : 1541 Reynolds Road Charlotte MI 48813 Company phone : 517-543-6400 Population : Number of potentially involved : 15 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2023-2023 Spartan RV Chassis K4 Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : Vehicles subject to this recall are equipped with a park brake interlock system which requires the synchronous valve (3616-MM5-001) Production Dates : JAN 13, 2022 – MAY 25, 2022 VIN Range 1 : Begin : 4VZ1U1R1XPC092011 End : 4VZ1U1R14PC092294 ✔ Not sequential Description of Defect : Description of the Defect : The pneumatic park brake interlock valve may be incorrectly installed and plumbed incorrectly. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : An incorrectly plumbed pneumatic park brake interlock valve may cause inadvertent application of the park brake. This could increase the risk of a crash. Description of the Cause : Operator on the line installed the valve incorrectly which led to incorrect plumbing of the pneumatic circuit. Identification of Any Warning that can Occur : The park brake could apply without warning. Involved Components : Part 573 Safety Recall Report 22V-776 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : Synchronous Valve Component Description : Air Brake Valve Component Part Number : 3616-MM5-001 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : Pending Description of Remedy : Description of Remedy Program : The orientation and plumbing scheme will be inspected and corrected if needed. This will be done at no charge. Vehicles subject to this recall are within their warranty period and any associated complaint would have been covered at no charge through the normal warranty process. How Remedy Component Differs from Recalled Component : The remedied vehicles will have the valve installed in the correct orientation and plumbed correctly. Identify How/When Recall Condition was Corrected in Production : The recall condition was corrected by error proofing the installation on, or near, June 5, 2022. Recall Schedule : Description of Recall Schedule : Owner notification is expected to begin on, or before, October 28, 2022. Shyft does not have dealers for this product. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : OCT 28, 2022 – OCT 28, 2022 * NR – Not Reported

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