# Service bulletin TSB\-15\-023

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: 10185457
- Published by NHTSA: 2021\-01\-11
- Manufacturer's number: TSB\-15\-023
- Manufacturer's date: 2015\-04\-13
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; EQUIPMENT

## NHTSA's summary

A subject vehicle may exhibit an illuminated check engine lamp with DTC \(Diagnostic Trouble Code\) P2148 and/or P2151. The engine ECU software may falsely detect an issue and record these DTC?s in the engine ECU. Revised engine ECU software has been made available to prevent this false detection. If DTC P2148 and/or P2151 are recorded in the engine ECU, reprogram the ECU to the software level listed in this bulletin. A subject vehicle may exhibit an illuminated check engine lamp with DTC \(Diagnostic Trouble Code\) P026C and/or P026D. The engine ECU software may falsely detect an issue and record these DTC?s in the engine ECU. Revised engine ECU software has been made available to prevent this false detection. If DTC P026C and/or P026D are recorded in the engine ECU, reprogram the ECU to the software level listed in this bulletin.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10185457-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10185457-9999.pdf)

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

## Components

Engine, Equipment and accessories, Engine control module

## Trouble codes named

P026C, P026D, P2148, P2151

## Vehicles listed

- 2016 HINO CONVENTIONAL TRUCKS W/JO8

JSON: [/v1/bulletins/10185457](/v1/bulletins/10185457)

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