2021 Hino Conventional Models problems, complaints & recalls
Safety recalls (1)
Electrical System:instrument Panel:fuel Gauge:fuel Level Float/Sensor/Sending Unit 2023-08-08 · campaign 23V560000 · 8,025 vehicles
Defect: Hino Motors Sales U.S.A., Inc. (Hino) is recalling certain 2020-2024 NE7A, NE7B, NE8A, NH9A, NJ7A, NJ7B, NJ8A, NJ8J, NV7A, NV7B, and NV8A vehicles equipped with 70 or 90 gallon fuel tanks. The fuel sender float may deform and detach, which can lead to an inaccurate fuel gauge reading.
Risk: An inaccurate fuel gauge may result in the vehicle unexpectedly running out of fuel and stalling, increasing the risk of a crash.
Fix: Dealers will replace the fuel sender gauge, free of charge. Owner notification letters were mailed October 5, 2023. Owners may contact Hino customer service at 1-248-699-9390. Hino's number for this recall is AAV70.
Service bulletins (28)
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 2026-09-09 · 167-B2610-3 · Service Bulletin/Repair Instructions
sb-26-007 – j08 scr inducement strategy update– aayu0d hino is updating the scr inducement strategy on certain 2018–2021my conventional trucks, aligning it with updated regulatory agency guidance by relaxing the torque and speed limits applied during inducement. the new strategy is delivered throu
Unknown Or Other 2026-04-08 · 167-T2604-2 · Service Bulletin/Repair Instructions
tt-26-002 post campaign ab5r0x or ab5s0x supplement manuals. after completing emissions campaign ab5r0x or ab5s0x, future diagnosis might be required. the purpose of this techtip is to assist with locating supplement service manuals for post emissions campaign trucks that have completed campaign a
Unknown Or Other 2025-12-01 · 167-T2601-1 · Service Bulletin/Repair Instructions
2011 – current model year hino conventional and 2013 – 2020 model year hino coe trucks equipped with reprogrammable control modules supported by the hino repro server when reprograming a control module that is supported by the hino reprogramming server such as an engine, vehicle or doser control
Unknown Or Other 2025-11-12 · 167-R2512-1 · Service Campaign
to improve the emission control system and on-board diagnostic (obd) system, hino will perform the modifications below: •re-programming software for engine control unit (ecu) and dosing control unit (dcu) •replacing nox sensors, pm sensor, , deisel exhaust fluid (def) sensor and mass air flow (m
Engine 2025-11-11 · 167-T2512-1 · Service Bulletin/Repair Instructions
do not reprogram ecu or dcu for subject vehicles unless recall ab5s0 or ab5r0 is being performed starting november 12, 2025, the hino dx3 program will be updated to include new software versions for both the engine control unit (ecu) and doser control unit (dcu). these updates apply exclusively t
Unknown Or Other 2025-11-08 · 167-R2512-2 · Service Campaign
ab5r0* campaign kit contents
Showing the 6 most recent of 28 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.