# Service bulletin 167\-B1703\-02

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: 10115989
- Published by NHTSA: 2017\-08\-25
- Manufacturer's number: 167\-B1703\-02
- Manufacturer's date: 2017\-01\-23
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

SB?17?003 Enhanced engine ECU \(Electronic Control Unit\) software has been made available to address the following conditions: Engine torque reduction has been increased to 70%, from an original 50%, when the engine ECU detects a P244B ? Incomplete Regeneration in conjunction with the soot level indicator in the instrument cluster reaching 10 bars. Improved DPR \(Diesel Particulate Reduction\) auto regeneration function during continuous high speed driving. Enhanced DX data monitor display. ? EGR \(Exhaust Gas Recirculation\) gas flow monitor. ? Estimated boost pressure. Eliminate pending DTC \(Diagnostic Trouble Code\) on DX report. PTO \(Power Take Off\) control updates. ? Enable DPR auto regeneration function during PTO operation. ? Enhanced engine speed control during high load PTO operation. ? Engine speed will be increased to "Preset PTO engine speed 2" when idle up signal is provided to "PTO SWITCH 11MY\-16MY Conventional Trucks

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10115989-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10115989-0001.pdf)

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

## Components

Electrical system, Software

## Trouble codes named

P244B

## Vehicles listed

- HINO HINO

JSON: [/v1/bulletins/10115989](/v1/bulletins/10115989)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20167-B1703-02&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10115989&vehicle=Service%20bulletin%20167-B1703-02)