WenmarOpen by Wenmar Pro

Service campaign 167-R2408-1

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11006074
Published by NHTSA2024-08-07
Manufacturer's number167-R2408-1
Manufacturer's date2024-08-07
Campaign id or software versionV2403
NHTSA componentELECTRICAL SYSTEM; ENGINE

NHTSA's summary

We have determined that certain 2022 – 2024MY Hino S-Series vehicles equipped with 5.2L (4HK1) diesel engines and option (IE1) 4-wheel disc brakes were built with an Engine Control Module (ECM) and Diesel Exhaust Fluid Control Unit (DCU) containing an On Board Diagnostic (OBD) calibration error for Diagnostic Trouble Codes (DTC) P2201 NOx Sensor Circuit Performance Sensor 1 and P20EE Diesel Exhaust Fluid (DEF) System NOx Trap Low Efficiency.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine

Trouble codes named

P20EE, P2201

Vehicles listed
HINO L-SERIES2022 to 2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.