2021 Tiffin Phaeton problems: recalls, complaints and what to check
NHTSA has 7 recalls and 3 owner complaints on file for the 2021 Tiffin Phaeton. Here is what they are, what a technician checks for each kind of fault, and how to look one over before you buy it.
LP gas and gas appliances: 3 recalls
Recall 21V545000 (20/07/2021): FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2021-2022 Allegro Bus and Phaeton motorhomes, equipped with certain Cummins L9 diesel engines. A fuel leak may occur from the fuel hose between the fuel pump and remote filter head.
Fix: Dealers will replace the fuel hoses, free of charge. Owner notification letters were mailed September 10, 2021. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-117.
Recall 21V306000 (30/04/2021): FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2017-2021 Bus and Phaeton vehicles. The sealing washer may not seat correctly in the pilot bore, allowing the high pressure fuel rail assembly to leak.
Fix: Tiffin will work with Cummins to inspect the rail threads , and replace the rail and fuel lines if damage is found, free of charge. Owner notification letters were mailed August 11, 2021. Owners may contact Tiffin customer service at 1-256-356-8661.
Recall 22V511000 (20/07/2022): EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:LPG SYSTEMS
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2021-2023 Allegro, Red 340, 2021-2022 Phaeton, Breeze, Allegro Red 360, and 2022 Bay motorhomes. The output line on the LPG tanks may not connect properly to the service valve, which can cause a propane leak.
Fix: Dealers will inspect and replace the service valves, as necessary, free of charge. Owner notification letters were mailed September 18, 2022. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-124.
What a tech checks: Regulator, lines and fittings, then the appliances: furnace, water heater, range. A proper pressure-drop leak test is the first thing a tech does on an LP complaint. Before you buy: Smell for gas with the tank open; have a shop do the leak test.
LP and furnace lessons · Furnace guide · Furnace 3D lab · Water heater 3D lab
Doors, windows, steps and lights: 1 recall, 2 complaints
Recall 21V680000 (05/11/2021): SEAT BELTS:REAR/OTHER:ANCHORAGE
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2018-2022 Allegro Breeze, Allegro Red, Allegro, Allegro Bus, Phaeton, and 2018-2021 Zephyr recreational vehicles. The sofa seat belts may not have been installed correctly, which could result in unsecured passengers. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."
Fix: Dealers will inspect and repair the seat belts as necessary, free of charge. Owner notification letters were mailed October 29, 2021. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-118.
What a tech checks: Mostly adjustments and wear: steps that stop halfway on a bad switch, doors out of alignment after a slide shifted, exterior lights with a corroded ground. Before you buy: Every door, lock, window and light.
12 volt and 120 volt electrical: 1 recall, 1 complaint
Recall 21V783000 (07/10/2021): ELECTRICAL SYSTEM:WIRING
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2021-2022 Phaeton recreational vehicles. During manufacturing, an electrical outlet was not installed as intended, resulting in an open electrical wire inside the wall.
Fix: Dealers will inspect the vehicle and install an outlet on the wire, free of charge. Owner notification letters were mailed October 27, 2021. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-119.
What a tech checks: Voltage drop, grounds, the converter and the transfer switch. Melted shore-cord plugs and bad grounds cause most of the electrical complaints techs actually see. Before you buy: Battery at rest, converter output on shore power, GFCI test, every outlet.
12 V electrical lessons · 120 V and generator lessons · Wiring diagrams
Structure, roof and leaks: 1 recall, 1 complaint
Recall 21V265000 (15/04/2021): STRUCTURE:BODY:ROOF AND PILLARS
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2021 Phaeton motorhomes, equipped with a roof mounted passenger side awning. A roof mounted body panel may have been improperly attached to the roof.
Fix: Tiffin will notify owners, and dealers will inspect and, if necessary, properly adhere the body panel, free of charge. Owner letters were mailed April 26, 2021. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-115.
What a tech checks: Roof sealant, seams, window and slide seals, and the frame. Water intrusion shows up as delamination, soft floors and stained ceilings months after the leak started. Before you buy: Press the sidewalls and walk the floor; look at every seam and seal.
Roof, leaks and body lessons · Seals and leaks guide
Tires: 1 recall
Recall 21V193000 (18/03/2021): TIRES:VALVE
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2021 Phaeton recreational vehicles. The valve stem stabilizer can become loose, allowing the valve stem extender to contact the wheel.
Fix: Tiffin will notify owners, and dealers will replace the valve stem stabilizer, free of charge. The recall began April 22, 2021. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-114.
What a tech checks: Age, load range and pressure. RV tires age out before they wear out, and an underrated tire on a heavy trailer is a blowout waiting to happen. Before you buy: Read the DOT date and the load range on the sidewall.
Chassis, towing and tires lessons · Trailer guide
Other: 1 complaint
What owners reported to NHTSA
12/08/2021, ELECTRICAL SYSTEM: The contact owns a 2021 Tiffin Phaeton Motorhome. The contact stated that while driving at 65 MPH, the instrument cluster went black and was inoperable. The vehicle was taken to the dealer and diagnosed with loose wiring. The dealer repaired the vehicle on six separate occasions; however, the failure recurred. The manufacturer was made aware of the failure. The failure mileage was approximately 6,000.
11/16/2020, SEATS,UNKNOWN OR OTHER,VISIBILITY/WIPER: UPON PURCHASING THIS 2021 TIFFIN PHAETON RV, I REALIZED THE "A PILLARS" CAUSED MIRROR AND VISUAL OBSTRUCTION. INITIALLY BELIEVING IT WAS A MIRROR ADJUSTMENT, I LEARNED THAT THE DRIVER SEAT WAS NOT CENTERED ON THE STEERING WHEEL / DASHBOARD AND IT WAS POSITIONED TO THE LEFT APPROX. 2"-3". NOT ONLY DOES THIS PREVENT A CLEAR VIEW TO THE MIRRORS, BUT IT CAUSES "PEDAL CONFUSION" AND COULD RESULT IN A CATASTROPHIC COLLIS
02/14/2024, STRUCTURE: The electric step on our coach broken on the road with the gear box issue and get loose , it is very dangerous to run with the electric step open to get people injured and also for the people that disembarked from the motor home, we feel that electrical step should have a safety when it is close .
Looking at a 2021 Tiffin Phaeton?
The Buyer's Check walks you through it on your phone: what to ask, the outside walk-around, water damage, every system on every power source, with the recalls above built in. You get a report that says what's a walk-away and what to negotiate on.
Checked against NHTSA 2026-10-23. Recall repairs are free at an authorized dealer. Complaints are owner reports to NHTSA and are not verified.