110-Volt Power Supply May Overheat Causing a Fire – 2022 Grand Design Momentum Travel Trailers

Dealers will rewire the 110-volt power wire, free of charge. Owner notification letters were mailed July 25, 2022. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design’s number for this recall is 910030.

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GRAND SIGN Safety Recall #22V-442 Claim Preparation & Filing Instructions Please complete a warranty claim pre-authorization request using the following codes & labor times: LABOR: PARTS: Operation Code: Fault Code: Labor Time: Administrative Allowance: Shop Supplies (outlet/wire) 910030 Recall .4 hrs. per unit .1 hrs. per unit Claim at 5% of Labor Please follow the repair instructions that are attached. Promptly submit all pre-authorizations/claims through our Dealer Portal. If you have any questions or need assistance, please call our Technical Service Team at 888-825-2820. 11333 County Road 2, Middlebury, IN 46540 Phone: 574-825-8000, Fax: 574-825-9700 gra nddesignrv .com Instructions for Correcting 1000 Watt Inverter Wiring Step #1 Determine correct wire for 1000 watt inverter A. Disconnect all wires to battery. B. Plug shore cord into unit. C. Unplug inverter from recept. D. Use voltage tester to check power at inverter output (romex wire). If power is present, then inverter is installed incorrectly. E. Use voltage tester to check for power at the recept that the inverter is plugged into. F. If power is not at recept, then the recept romex wire and the inverter romex wire will need to be switched around to correct the installment. G. Disconnect power shore cord. Note: Use the following instructions to complete repair of inverter and call Grand Design if you have any questions regarding color of Romex wires. 1 Step #1 Make sure power shore cord is disconnected. Step #2 Unhook all battery terminals and separate positive and negative. Step #3 Remove panel from front door-side cargo Step #4 Assess wiring on inverter in Photo #2. compartment {see Photo #1). I ———–Loosen 2 screws on romex connection, Step #6 Unhook wagos and remove blue romex 1 o o sen black thumb screw and remove plate (see Photo from inverter (see Photo #4). #3). ,,,……::::::ac=- 2 Step #7 Install new recept on blue romex wire (see Photo #5). Step #9 Take back romex and insert to Inverter, Step #8 Unplug Inverter, remove recept with black romex, cut black romex close to recept, discard recept (see Photo #6). Step #10 Reinstall recept 5″ to the right of bt solar reconnect wagos and tighten romex connection, adaptor, resecure blue romex with zip tie, plug in reinstall cover and tighten thumb screw (see Photo #7). inverter (see Photo #8). 3 Step #11 Correct Installation blue romex at recept black romex at Inverter (see Photo #9). Step #13 To test Inverter, make sure Inverter disconnect Is In “on” position, then use bedroom front left recept to confirm power with recept checker (see Photo #10). Step #12 Reattach positive and negative inverter cables to battery. 4

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GRAND DESIGN IMPORTANT SAFETY RECALL This notice applies to your 2022 Grand Design Momentum 21G, VIN 573TM2720N1 NHTSA Recall No. 22V-442 July 25, 2022 Golden, Colorado- Dear Grand Design RV Owner: This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Grand Design RV has decided that a defect which relates to motor vehicle safety exists in certain 2022 Momentum Travel Trailer recreational vehicles. ! IMPORTANT ! ► Your vehicle falls within the recall population. ‘ ► You should immediately schedule an appointment with your dealer to have your vehicle inspected and, if necessary, repaired. Why is a recall being conducted? On select 2022 Momentum Travel Trailer recreational vehicles manufactured between November 8, 2021, and January 24, 2022, the 110- volt power source was incorrectly wired directly to the output of the solar inverter. This can overload the circuit and create the potential for a fire. 11333 County Road 2, Micld’ebury, IN 46540 Phone: 574-825-8000, Fax: 574 -825-9700 www.granddesignrv.com What are we doing about the problem? What should you do? What if I no longer own this recreational vehicle? Who should you contact if you have further questions or concerns? On affected vehicles, Grand Design is authorizing the correction of the wiring to the solar inverter. Any damaged inverters, or wiring to the inverter, will be replaced at no cost. Grand Design dealers have been notified of this recall and have the required repair instructions available. Repair time is estimated to take no more than .5 hours. There will be no charge for this service through your Grand Design dealership. Please contact your selling or nearest Grand Design RV dealer as soon as possible to schedule an appointment. If your distance from a Grand Design dealer is significant, please contact us at 574-825-9679 and choose the “Recall” prompt or email recall@granddesignrv.com We can discuss other arrangements to have the needed inspection & repairs completed. Notify Grand Design either by phone: 574-825-9679, fax: 574-825- 9249, or email: registration@granddesignrv.com http://www.granddesignrv.com/to inform us that you no longer own this vehicle. Please be sure to include your 17- digit VIN in all correspondence. Please contact Grand Design either by phone: 574-825-9679, fax: 574- 825-9249 and choose the “Recall” prompt, or email: recall@granddesignrv.com with any questions or concerns. If you are the lessor of this vehicle, please forward a copy of this notice to the lessee within ten days to comply with federal regulations. If you have already paid to have your vehicle repaired for this condition, you may be eligible for reimbursement of the charges you paid for the repair. To request reimbursement, please submit your request with a repair receipt to: recall@granddesignrv.com If after having attempted to take advantage of this recall you believe you have not been able to have your vehicle remedied without charge and within a reasonable amount of time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., S.E., Washington, D.C., 20590; or call the toll-free Vehicle Safety Hotline at 1- 888-327-4236 {TTY: 1-800-424-9153); or go to http://www.safercar.gov. We apologize for any inconvenience this recall may cause; however, your safety is our primary concern. Sincerely, Grand Design RV, LLC 11333 County Road 2, Middlebury, 11\J 46540 Phone: 574-825-8000, Fax: 574-825-9700 www.granddesignrv.com

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11333 County Road 2, Middlebury, IN 46540 Phone: 574-825-8000, Fax: 574-825-9700 granddesignrv.com SAFETY RECALL NOTICE 22V-442 To: All Grand Design RV Dealers July 18, 2022 Grand Design RV has determined a safety defect exists in certain 2022 Grand Design Momentum Travel Trailers produced between November 8, 2021, and January 24, 2022. Accordingly, a recall to address this issue is being initiated effective July 25, 2022. Affected vehicles include involve 2022 Momentum travel trailer recreational vehicles manufactured between November 8, 2021, and January 24, 2022. The VIN range of affected units is: Momentum TT – 573TM2720N1216882 through 573TM2120N1217359 (non-sequential) The defect involves 110v power wired direct to the output of the solar inverter during the solar preparation install at the factory. This creates the potential for overloading the circuit, resulting in the potential for fire. Owners of affected vehicles will be notified of this recall by mail. A copy of the Owner Notification Letter will be attached to the Dealer Notification Letter, which will also include detailed repair instructions and a VIN list of your affected units. Please find attached the inspection, repair and claim filing instructions associated with this recall action. Should you have any questions or concerns, please contact Grand Design Technical Support at 574-825-6264 or 888-825-2820 and select the phone prompt for “Recall”. Respectfully, GRAND DESIGN RV, LLC

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-442 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Grand Design RV, LLC Submission Date : JUN 22, 2022 NHTSA Recall No. : 22V-442 Manufacturer Recall No. : 910030 Manufacturer Information : Manufacturer Name : Grand Design RV, LLC Address : 11333 County Road 2 Middlebury IN 46540 Company phone : (574) 825-8000 x2015 Population : Number of potentially involved : 165 Estimated percentage with defect : 5 % Vehicle Information : Vehicle 1 : 2022-2022 Grand Design RV Momentum Travel Trailer Vehicle Type : Body Style : Power Train : NR Descriptive Information : The recall population was determined based on the dates a product substitution took place in production. The substituted solar inverter installed incorporated a different wiring installation method versus the normal component. A total of 165 Model Year 2022 Momentum Travel Trailers are affected. Production Dates : NOV 08, 2021 – JAN 24, 2022 VIN Range 1 : Begin : 573TM2720N1216882 End : 573TM2120N1217359 ✔ Not sequential Description of Defect : Description of the Defect : The defect involves the 110-volt power supply wire that was incorrectly wired directly into the solar inverter output port. This supply wire should have been wired to an outlet that the solar inverter plugs into. Wired to the output port creates the potential for a current overload to the circuit. As a result the potential exists for an overheated inverter and power supply line. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : Direct power to the inverter through the outlet port creates the potential to overload the circuit, resulting in the potential for a fire. Description of the Cause : The 110V power supply line was incorrectly wired to the output port of the solar inverter. This supply line should have been wired to a power outlet that powers the solar inverter. Identification of Any Warning that can Occur : Failure can be preceded by a strong odor of melting plastic from the area where the inverter is installed. Part 573 Safety Recall Report 22V-442 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name 1 : WFCO Component Description : 1k Watt Solar Inverter Component Part Number : WF-5110RS Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : • 6/7/22 – Grand Design notified of a thermal event involving a WFCO a solar inverter installed on a vehicle at Bretz RV. The root cause was determined to be incorrect 110V wiring to the inverter. This inverter was a substituted component and not the typical solar inverter used for this product line. • 6/8/22 – Grand Design pulled the scope of trailers using this substitute inverter. It was determined the concern was isolated to Momentum Travel Trailers built on line 2 between November 8, 2021, and January 24, 2022. Subsequent investigation of suspect vehicles confirmed that the substitute inverter was wired incorrectly. • 6/14/22 – Grand Design finalized the unit scope. The Product Safety Review Committee was informed, and a formal meeting was scheduled. • 6/21/22 – The Product Safety Review Committee determined a recall field action was required to address this safety concern. Description of Remedy : Description of Remedy Program : On affected vehicles, the dealer will remove the 110V power wire to the solar inverter outlet port and run this line to a 110-volt outlet. The inverter output will be wired correctly to function as an output feed. The inverter is then plugged into the outlet for power. Owner’s that have paid to have this service performed will be reimbursed by Grand Design for any expenses incurred relating to this defect. Part 573 Safety Recall Report 22V-442 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 How Remedy Component Differs from Recalled Component : There is no component replacement involved in this recall. Identify How/When Recall Condition was Corrected in Production : The substitute inverter was replaced with the standard inverter in production. Inspection and verification of proper wiring has been added to the daily audit check sheet and is being monitored in production daily. Electrical installers on line have also been retrained on proper wiring of this component. Recall Schedule : Description of Recall Schedule : Owners of affected vehicles will be notified by First Class mail that their vehicle is affected by the recall. In addition, we will poste recall information electronically for consumer access. Dealers will be notified of the recall action (by First Class mail & electronically) and will be supplied with repair information and vehicle identification information. Planned Dealer Notification Date : JUL 18, 2022 – JUL 20, 2022 Planned Owner Notification Date : JUL 25, 2022 – JUL 27, 2022 * NR – Not Reported

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