AI DamageTiffin Allegro BUS: problems, complaints, bulletins
Summary for the Tiffin Allegro BUS across 12 model years: 0 owner complaints and 16 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Exterior lighting | 0 | 0 | 12 |
| Engine and cooling | 0 | 0 | 6 |
| Fuel/propulsion system | 0 | 0 | 6 |
| Equipment | 0 | 0 | 3 |
| Electrical system | 0 | 0 | 2 |
| Structure | 0 | 0 | 2 |
| Engine | 0 | 0 | 1 |
| Other | 0 | 0 | 8 |
What to check before buying
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- A software issue was causing the turn signal to stop functioning if the brake pedal was depressed
- On certain 2027 Allegro Bus motorhomes, the tail light parameters were not correct
- On certain 2026 & 2026 Allegro Bus, 45 BP floorplan only, a small opening may be in the driver's side…
- Tiffin issued a technical service bulletin to remove a reverse signal that automatically triggers the…
- Daimler Truck sent letter to Tiffin Motorhomes to send to customers
- TriMark brought to Tiffin’s attention that on certain 2025 and 2026 Allegro Breeze; 2025 and 2026 Allegro…
- Tiffin sent out an addendum to be added to Owner's Manuals that states, "Tiffin Motorhomes recommends that…
- Stopped using the lights we had been using due to expense
- Tiffin sent out letter asking customer to please review the enclosed information for the proper operation…
- It has come to our attention that on certain Tiffin motorhomes equipped with optional Go Power!
- Cummins Inc has launched a campaign that may affect your Model Year 2021-2022 L9 CM2450 L126B engine
- Tiffin Motorhomes was made aware by Riverpark that there is a risk of improper operation in the monitor of…
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.