TIF-126 – Powerglide Chassis Fuse May Overheat Causing Stall – 2022 Tiffin Zephyr, 2022-2023 Phaeton, Allegro Breeze & Allegro Bus Motorhomes

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Page 1 of 2 105 2nd Street NW Red Bay, Alabama 35582 IMPORTANT SAFETY RECALL This notice applies to your vehicle, VIN: NHTSA Recall # 22V-589 Tiffin Recall # TIF-126 August 8, 2022 PowerGlide Chassis 150-A Circuit Breaker Dear Tiffin Motorhome Owner or Dealer, This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Tiffin Motorhomes has decided that a defect, which relates to motor vehicle safety, exists in certain 2022 and 2023 Allegro Breeze, 2022 and 2023 Allegro Bus, 2022 and 2023 Phaeton, and 2022 Zephyr Motorhomes, all built on Tiffin Motorhome’s PowerGlide Chassis. Tiffin Motorhomes has become aware of the possibility that on these motorhomes, the chassis 150-amp circuit breakers may overheat and trip. If this were to happen, the chassis would lose power and the driver’s dash display would go blank. If the chassis were to lose power, this would increase the risk of a crash. Tiffin Motorhomes will have the circuit breakers inspected and if they are found to be defective, they will be replaced with new updated circuit breakers. Please arrange to take your motorhome to a reputable service center OR dealer of your choice to have the correction completed. A list of Tiffin Motorhomes authorized dealers is available online at https://tiffinmotorhomes.com/service-center-locations. The recall inspection will take approximately 15 minutes and will be completed at no charge to you, the owner. Please be aware that 15 additional minutes may be needed if the circuit breakers for the chassis are found to be defective and replacement is needed. If you are using a service center that is not a Tiffin Motorhomes authorized repair facility, please make sure that they contact Tiffin Motorhomes for the required parts, instructions and time allowed for the repair. Tiffin Motorhomes will not pay over the allowed time unless the repair facility receives a prior authorization. For authorization, contact Tiffin Motorhomes at 256-356-0261 or service@tiffinmotorhomes.com . Page 2 of 2 You may be liable for any progressive damage that results from your failure to complete the recall within a reasonable time after receiving notification. If owners have paid to have this repair completed, please send a copy of the invoice, that was paid by the owner to Tiffin Motorhomes at the following address: Tiffin Motorhomes, attn. Recalls, 105 2nd Street NW, Red Bay AL 35582 or by email to service@tiffinmotorhomes.com. Please make sure the invoice notes who paid for the repair, the VIN of the motorhome and the date the repair was completed. If you do not own the vehicle that corresponds to the vehicle identification number which appears on this Recall Notification, please return the notification to the Tiffin Warranty Department with any information you can furnish that will assist us in locating the present owner. You may also send an email to recalls@tiffinmotorhomes.com. If you are unable to have the defect remedied without charge and within a reasonable time after you tender the vehicle for repair, please contact the Tiffin Warranty Department, at 1-256-356-8661, 8:00 a.m. to 3:30 p.m., Central Time. You may also wish to notify the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington DC 20590, or phone 1-888-327-4236 (TTY: 1-800-424-9153): or go to http://www.safercar.gov. Federal regulations require that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. Tiffin Recall Department

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Page 1 of 2 105 2nd Street NW Red Bay, Alabama 35582 IMPORTANT SAFETY RECALL NHTSA Recall # 22V-589 TC Recall # 2022-440 Tiffin Recall # TIF-126 August 8, 2022 PowerGlide Chassis 150-A Circuit Breaker Dear Tiffin Motorhome Dealer, This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Tiffin Motorhomes has decided that a defect, which relates to motor vehicle safety, exists in certain 2022 and 2023 Allegro Breeze, 2022 and 2023 Allegro Bus, 2022 and 2023 Phaeton, and 2022 Zephyr Motorhomes, all built on Tiffin Motorhome’s PowerGlide Chassis. Tiffin Motorhomes has become aware of the possibility that on these motorhomes, the chassis 150-amp circuit breakers may overheat and trip. If this were to happen, the chassis would lose power and the driver’s dash display would go blank. If the chassis were to lose power, this would increase the risk of a crash. Tiffin Motorhomes will have the circuit breakers inspected and if they are found to be defective, they will be replaced with new updated circuit breakers. Owners will be notified by mail about the recall and will be instructed to take their motorhome to a reputable service center OR dealer of their choice to have this inspection and replacement, if needed, completed. Tiffin Motorhomes is allowing 15 minutes for inspection of these circuit breakers. If the circuit breakers need to be replaced Tiffin Motorhomes is allowing an additional 15 minutes. To verify a motorhome’s involvement in this recall, please visit our website, TiffinMotorhomes.com. Choose the “Dealer Login” page and click on “Vehicle Recall Lookup” and enter the complete 17-digit VIN number. No login or password is needed. To view work instructions, please click on “Flat Rate Manual” and choose RECALL for Model and Section, scroll down to the NHTSA recall number for the recall you are looking for and choose “Show Files” and then download the work instructions. Please be reminded that it is a violation of Federal law for you to sell or lease any new Tiffin Motorhome covered by this notification until this recall has been performed on the motorhome. Substantial civil penalties apply to violations of this law. Page 2 of 2 We regret any inconvenience this action may cause but feel certain you understand our interest in motor vehicle safety. Tiffin Compliance Department

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-589 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Tiffin Motorhomes, Inc. Submission Date : AUG 05, 2022 NHTSA Recall No. : 22V-589 Manufacturer Recall No. : TIF-126 Manufacturer Information : Manufacturer Name : Tiffin Motorhomes, Inc. Address : 105 2nd Street NW PO Box 596 Red Bay AL 35582 Company phone : 999 Population : Number of potentially involved : 315 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2022-2023 Tiffin Breeze Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : In review of manufacturing records, it was determined that the scope started when Tiffin started using new fuse to replace our original fuse due to supply chain shortages. Production Dates : FEB 15, 2022 – AUG 04, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 2 : 2022-2023 Tiffin Bus Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : In review of manufacturing records, it was determined that the scope started when Tiffin started using new fuse to replace our original fuse due to supply chain shortages. Production Dates : FEB 14, 2022 – AUG 04, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Part 573 Safety Recall Report 22V-589 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Vehicle 3 : 2022-2023 Tiffin Phaeton Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : In review of manufacturing records, it was determined that the scope started when Tiffin started using new fuse to replace our original fuse due to supply chain shortages. Production Dates : FEB 14, 2022 – AUG 04, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Vehicle 4 : 2022-2022 Tiffin Zephyr Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : In review of manufacturing records, it was determined that the scope started when Tiffin started using new fuse to replace our original fuse due to supply chain shortages. Production Dates : MAR 14, 2022 – APR 14, 2022 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : This only involves Powerglide chassis. The chassis fuse can overheat while motorhome is being driven and cause engine to shut down, thereby causing the motorhome to come to an unexpected stop. Dash displays will also go blank. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the fuse overheats and shuts off, there is no power to the engine. This will cause the unit to stop unexpectedly and all dash displays go off. The unit can still be steered. However, if these events happen, it could lead to crash. Description of the Cause : Due to supply chain shortages, Tiffin had to find a substitute 150 amp chassis fuse (of which there are two per unit). This substitute fuse is unable to withstand the temperature that can be reached in the engine compartment. Identification of Any Warning that can Occur : None Involved Components : Part 573 Safety Recall Report 22V-589 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 1 : 150 Amp Fuse-NAPA brand Component Description : 150 Amp Thermal Circuit Breaker Component Part Number : 7823039 Component Name 2 : 150 Amp Fuse-O’Reilly brand Component Description : 150 Amp Thermal Circuit Breaker Component Part Number : 185150BP Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : 8/3/22 – Chassis manager brought to the attention of Tiffin that he had a customer call in a couple of weeks ago and say that his chassis had lost power while he was driving. He was able to steer the coach to safety. Customer checked the engine compartment and he saw the fuse was tripped. He let the fuse cool off, and was able to reset the fuse and continue driving. Customer stated this happened repeatedly on trip. Shortly afterwards, this happened to our driver on his way to deliver coach. Chassis shopped investigated and found there was a fuse that had been substituted due to supply chain shortage. The substitute fuse is unable to withstand the temperatures that can be reached in engine compartment in certain conditions. Description of Remedy : Description of Remedy Program : Work instructions will be issued detailing components that will be inspected and replaced if defective fuse is found. This will be done at no charge to the owner of the coach. There is no plan for reimbursement of past issues because if there were any issues it would have been taken care of under Tiffin warranty. How Remedy Component Differs The original fuse that was good is black with yellow arm. Both defective substitutes are black with red arms. The replacement fuse is black with Part 573 Safety Recall Report 22V-589 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 from Recalled Component : yellow arm. Identify How/When Recall Condition was Corrected in Production : As of 8/4/2022, all inventory, production units, and off line WIP units were checked. If bad fuse was found (black and red), it was replaced with good fuse (black and yellow). Warehouse inventory was discarded of bad fuses. Recall Schedule : Description of Recall Schedule : Tiffin will send letters to customers and dealers that are in possession of coached explaining the problem and asking them to take the motorhome to a dealer or service center for proper inspection and replacement at no cost to them. Planned Dealer Notification Date : OCT 04, 2022 – OCT 04, 2022 Planned Owner Notification Date : OCT 04, 2022 – OCT 04, 2022 * NR – Not Reported

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