2019 Hino Conventional Models

Owner complaints

What owners report most

1. Engine and engine cooling1
2. Fuel system, diesel1

Latest complaints

• Dec 3, 2025OH452,000 mi
  Engine and engine cooling › Exhaust system › Emission control › Urea injection system (def) · Fuel system, diesel

  The contact owns a 2019 Hino Conventional 338-19. The contact stated that the Diesel Emission System (DES) was previously repaired. 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.

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 11000898This article will provide dealership technicians with information on how to open a tech assist case and discuss what is required when opening a Tech Assist Case.
• 11000897After connecting to a truck using DX3, it may be necessary to review or create a DX Diagnostic Report for review.
• 10235337The purpose of this procedure is to provide instructions in how to properly record Nox Sensors using DX3
• 10231442Conventional diesel particulate filter (dpf) aasw0
• 10231440Conventional nitrogen oxide (nox) sensor aapd0
• 10231439Recovering the doser control unit (dcu) after a failed programming event dcu blank. Tt-23-011
• 102289392011MY-2021MY CONVENTIONAL EXTERIOR MIRROR STAY. The subject vehicle may experience an exterior mirror stay that is loose or drifts slightly from its position. An enhanced mirror stay, mirror stay mount, related fasteners and revised torque specifications have been released to correct this condition. This procedure provides directions for installation of the enhanced components. Reports of looseness have accompanied reports that vehicle operators have folded exterior mirrors inward. As clearly stated in the Hino owners manual, the structure of the mirror stay does not allow for folding.
• 10227282The purpose of this procedure is to provide instructions in how to properly record NOx sensors using DX3.
• 10227281The purpose of this procedure is to provide instructions in performing an injection quantity test on 2011 and newer Conventional or COE series trucks with DX3.
• 10227279The purpose of this procedure is to provide instructions in performing DCU programming on 2011 and newer Conventional or COE series trucks.
• 10227276The purpose of this procedure is to provide instructions in how to perform a manual regen recording on Hino Trucks equipped with a 5th or 7th exhaust fuel injector with DX3.
• 10227273Certain 2017 ~ 2020 model year Hino Conventional vehicles were manufactured with a modified jumper harness between the Transmission Control Module (TCM) and vehicle chassis. The modified jumper harness may allow for potential water intrusion of the modified jumper harness. Water intrusion may cause illumination of the check transmission light on the dashboard. If the illuminated check transmission light is ignored, the transmission may go into fail-safe (or limp mode as it is also called) to protect the transmission from internal damage that could be caused by the fault. While in fail-safe (or limp mode) the transmission will be locked in either 3rd. or 4th. gear. This procedure will provide instruction for replacement of the transmission jumper harness.
• 10227271This parts alert is to inform our dealers that when ordering part number 16400E0E62 passenger side radiator support, it will come with an extra bracket as shown below. When replacing the radiator support brackets, the new passenger side support can be installed with no issues
• 10214940Conventional cab structure front mount repair
• 10213495Conventional after turbo catalyst (atc) aapa0. Wp-22-010
• 10213492Conventional particulate sensor (pm) sensor aap60. Wp-22-008
• 10206053SB-21-002 CONVENTIONAL FUEL SENDER LEAK. Certain vehicles may exhibit fuel residue accumulation around the fuel level sensor or cover plate in certain conditions, including if the vehicle is equipped with dual fuel tanks. Updated fuel level sensor bolt sealing washers have been made available to address this condition.
• 10189453BOSTROM - LTSS (LIGHT TRUCK SUSPENSION SEAT) DESIGNED TO FIT THE HINO 155 & 195 COE ? Proven to reduce vibration to the occupant compared to the conventional static seat = LESS FATIGUE ? The suspension system can easily be adjusted to the weight of the driver
• 10189439Hino Trucks floor mats. Black durable rubber floor mats with the red Hino Trucks emblem. Easy to shake out the dirt and debris or clean it with soapy water.
• 10189424Hino COE Quick Reference Guide
• 101848552005 through current model year trucks equipped with an Aisin transmission. When rekplacing an Ais in transmission, the below transmission return form is required to be filled out. Include this form with the warranty returned part.
• 10182727This document is to inform of the following information regarding the replacement and installation of the Aisin 450-43 LE Automatic Transmissions.
• 10182676This document is to inform of the procedure to calibrate the Pulse Adjust Module when needed (ex. tire size change, rear carrier ratio change) .
• 10177758Hino is performing a reliability collection of the outside mirror glass to identify potential defects and improve the quality of this component. This service alert will advise you how to remove the outside mirror covers, document the mirror assembly manufacturing dates, and then direct you to contact the technical assistance center for repair direction.
• 10165538Conventional dcu and ecu software enhancement
• 10164288The following tech tip is to assist in replacing the engine fuel filter.
• 10164286The following tech tip is for fixing hard steering or power steering pump noise on a Hino Conventional truck.
• 10160761Sb-19-003 air tank crack
• 10159331Sb-19-012 exhaust valve inspection workshop manual correction
• 10156478SB-19-009 P204B DTC WORKSHOP MANUAL CORRECTION. Workshop manual correction of Diagnostic Trouble Code (DTC) P204B.
• 10156477SB-19-008 P24FE DTC WORKSHOP MANUAL CORRECTION. Workshop manual correction of Diagnostic Trouble Code (DTC) P24FE.
• 10153287Sb-18-036 coe dtcp24fe workshop manual correction
• 10153286Sb-18-035 conventional dtcp24fe workshop manual correction
• 10153284Sb-18-033 coe dtcp2483 workshop manual correction
• 10153283Sb-18-032 conventional dtcp2483 workshop manual correction
• 10152286Cab over engine (coe) ecu and dcu software update campaign no: aabj0
• 10152285Conventionaldcuand ecu software update campaign no: aabf0
• 10152283SB-18-030 Air Spring Shield
• 10144319Sa-18-018 hino XL series parts and service support
• 10128683Enhanced engine ECU (Electronic Control Unit) software has been made available to address the following conditions: 1. The engine ECU (Electronic Control Unit) may falsely detect and store the following DTC (Diagnostic Trouble Code): P24FE: Removal of DEF SCR catalyst Revised engine ECU software has been made available to prevent this false detection. If DTC P24FE is found stored in the engine ECU, reprogram the ECU to the software level listed in this bulletin.

Every Hino Conventional Models model year

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