# Service bulletin 167\-B2610\-3

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.

- Type: Service bulletin
- NHTSA id: 11038240
- Published by NHTSA: 2026\-10\-06
- Manufacturer's number: 167\-B2610\-3
- Manufacturer's date: 2026\-09\-09
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: EMISSIONS: SCR

## NHTSA's summary

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 through ECU software 89663E5K66 or later.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11038240-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11038240-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2018 to 2021 HINO CONVENTIONAL MODELS

JSON: [/v1/bulletins/11038240](/v1/bulletins/11038240)

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