Hino Conventional Models: problems, complaints, bulletins
Summary for the Hino Conventional Models across 9 model years: 2 owner complaints and 90 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
What fails most often
- 1 Fuel system 50% of all complaints
- 2 Engine and cooling 50% of all complaints
- 3 Engine 50% of all complaints
- Fuel system: 1 complaints (50% of all); manufacturer bulletins for this component: 57.
- Engine and cooling: 1 complaints (50% of all); manufacturer bulletins for this component: 29.
- Engine: 1 complaints (50% of all); manufacturer bulletins for this component: 15.
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Fuel system | 1 | 0 | 57 |
| Engine and cooling | 1 | 0 | 29 |
| Engine | 1 | 0 | 15 |
| Electrical system | 0 | 0 | 76 |
| Equipment | 0 | 0 | 39 |
| Powertrain | 0 | 0 | 13 |
| Service brakes | 0 | 0 | 12 |
| Visibility | 0 | 0 | 8 |
| Structure | 0 | 0 | 6 |
| Exterior lighting | 0 | 0 | 3 |
| Suspension | 0 | 0 | 3 |
| Electronic stability control | 0 | 0 | 2 |
| Lane departure | 0 | 0 | 2 |
| Latches, locks, linkages | 0 | 0 | 1 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
While driving at 50 MPH, the SCR (Selective Catalytic Reduction) malfunction warning light illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 452,000.
Tl* the contact owns a 2016 hino 268. When the vehicle was approaching a stop sign or coming to a complete stop, the contact noticed an abnormal odor of exhaust fumes and the regenerate warning indicator illuminated. When the contact turned off and restarted the vehicle, it resumed normal operation.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Engine. Cold start, unusual noises, oil leaks and engine 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.
- SB-26-007 – J08 SCR INDUCEMENT STRATEGY UPDATE– AAYU0D Hino is updating the SCR inducement strategy on…
- TT-26-002 Post Campaign AB5R0x or AB5S0x Supplement Manuals
- Some vehicles may exhibit a condition where the CARB Clean Truck Check will not pass due to a “Test…
- 2011 – Current model year Hino Conventional and 2013 – 2020 model year Hino COE trucks equipped with…
- DO NOT REPROGRAM ECU or DCU FOR SUBJECT VEHICLES UNLESS RECALL AB5S0 or AB5R0 IS BEING PERFORMED Starting…
- AB5R0* CAMPAIGN KIT CONTENTS
- To improve the Emission Control System and On-Board Diagnostic (OBD) System, Hino will perform the…
- Beginning the week of November 3, 2025, both HinoNet and Dealer Connect will be updated to reflect the…
- STOP SALE NOTICE Hino Trucks has received approval to perform, and must now execute, an emissions recall…
- Warranty Enhancement Program # AB1Q0; Coolant Level Sensor
- Subject vehicles contain a radiator mount vibration isolator that may have been manufactured using a…
- CONVENTIONAL COOLANT LEVEL SENSOR – AB1Q0 Due to an internal malfunction of the Coolant level sensor, the…
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 2026-11-05.