NHTSA service bulletin

NHTSA Service Bulletin 10184829: 2014, 2015 Hino 195h

Official manufacturer communication context for 2014, 2015 Hino 195h, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10184829 summary graphic for 2014, 2015 Hino 195h
10184829NHTSA document ID
Manufacturer communicationcommunication type
7affected product rows
90/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

DTC U02A2 DEF sensor communication error. On subject vehicles, the MIL (Malfunction Indicator Lamp) may illuminate with DTC (Diagnostic Trouble Code) U02A2 stored in the engine ECU. This may be due to a malfunction of the DEF (Diese Exhaust Fluidf) tank sensor asslembly. Perform the diagnostic prolcedure for DT C U02A2 as outlined by the Workshop Manual (DEF SCR Section for Conventional Vehicles, Engine Troiubleshooting Section for COE Vehicles). If the diagnostic procedure leads to DEF tank sensor replacement, a more robust DEF tank sensor has been made available. Conventional Trucks (238, 258, 268 and 338) and COE (Cab Over Engine) Trucks (195, 195h).

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
Hino195h2014, 2015Ask for service records and run the exact VIN before purchase.
Hino2382014, 2015Ask for service records and run the exact VIN before purchase.
Hino2582014, 2015Ask for service records and run the exact VIN before purchase.
Hino2682014, 2015Ask for service records and run the exact VIN before purchase.
Hino3382014, 2015Ask for service records and run the exact VIN before purchase.
HinoCab-over2014, 2015Ask for service records and run the exact VIN before purchase.
HinoConventional Trucks W/jo82014, 2015Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 10184829?

DTC U02A2 DEF sensor communication error. On subject vehicles, the MIL (Malfunction Indicator Lamp) may illuminate with DTC (Diagnostic Trouble Code) U02A2 stored in the engine ECU. This may be due to a malfunction of the DEF (Diese Exhaust Fluidf) tank sensor asslembly. Perform the diagnostic prolcedure for DT C U02A2 as outlined by the Workshop Manual (DEF SCR Section for Conventional Vehicles, Engine.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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