2025 Tiffin Phaeton problems, complaints & recalls
Most-reported problem areas: Forward Collision Avoidance: Warnings (1)
Safety recalls (2)
Fuel System, Diesel:delivery:hoses, Lines/Piping, And Fittings 2026-10-08 · campaign 26V662000 · 177 vehicles
Defect: Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2022-2025 Allegro Bus, and Phaeton motorhomes, equipped with certain L9 diesel engines, part number D563027BX03. The remote fuel filter hoses may separate from the fitting, causing a fuel leak and an engine stall.
Risk: A fuel leak in the presence of an ignition source increases the risk of a fire. An engine stall increases the risk of a crash.
Fix: Cummins dealers will replace the fuel hoses, free of charge. Owner notification letters are expected to be mailed November 20, 2026. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-150
Electrical System:ignition 2024-07-30 · campaign 24V566000 · 679 vehicles
Defect: Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2022-2025 Phaeton, Allegro Bus, and Zephyr motorhomes. The PowerGlide chassis controller may have insufficient circuit protection, which can result in a blown fuse and cause an engine shutdown.
Risk: An engine shutdown increases the risk of a crash.
Fix: Dealers will install circuit protection, free of charge. Owner notification letters were mailed September 13, 2024. Owners may contact Tiffin customer service at 1-256-356-8661. Tiffin's number for this recall is TIF-141.
Service bulletins (6)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2025-09-22 · SB-77 · Service Bulletin/Repair Instructions
trimark brought to tiffin’s attention that on certain 2025 and 2026 allegro breeze; 2025 and 2026 allegro bus; 2025 and 2026 allegro red 360; 2025 and 2026 byway; 2025 and 2026 phaeton; 2025 and 2026 zephyr motorhomes that are equipped with ptl entry doors with a trimark entry lock, owners may exper
Fuel/Propulsion System 2025-09-08 · CSA-045 · Other
tiffin sent out an addendum to be added to owner's manuals that states, "tiffin motorhomes recommends that all diesel units be refueled using standard automotive-grade diesel fuel pumps, rather than high-flow commercial truck stop pumps. the fuel delivery rate from commercial truck stop pumps is oft
Exterior Lighting 2025-06-09 · MCD-009 · Other
stopped using the lights we had been using due to expense. replaced with these, but these new lights have to be wired in instead of just clicking in. these are the instructions to wire in.
Unknown Or Other 2024-11-13 · MCD-006 · Other
tiffin sent out letter asking customer to please review the enclosed information for the proper operation of the starlink system in their tiffin motorhome. and after reviewing the information, to add it to their owner's manual for future reference.
Unknown Or Other 2024-10-29 · SB-75 · Service Bulletin/Repair Instructions
it has come to our attention that on certain tiffin motorhomes equipped with optional go power! solar panel solar panels systems, the 30a inline fuse located before the cable entry plate should be removed. the plastic housing surrounding the fuse may become heat damaged from heat generated by the n
Wheels 2024-08-05 · CSA-40 · Other
daimler truck north america on behalf of its freightliner trucks division and wholly owned subsidiaries have issued nhtsa #24c-392 and #24v-393 on certain 2025 model year vehicles. the affected vehicles may be missing the snap ring on the preset hubs and/or have unbent retainer tabs on the conventi
What owners report
2026-04-27 · Forward Collision Avoidance: Warnings“hello, i would like to report a safety issue related to my motorhome. i have a 2025 tiffin phaeton 40ih on a freightliner custom chassis, vin [xxx] . freightliner custom chassis has a safety system called roadwatch which is a collision avoidance device that integrates the adaptive cruise control and the standard cruise control. when the vehicle exp…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.