# Service bulletin HINO 12\-003 TT

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: 10182894
- Published by NHTSA: 2020\-11\-23
- Manufacturer's number: HINO 12\-003 TT
- Manufacturer's date: 2012\-10\-11
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This Tech Tip pertains to 2012 NE8J, NJ8J, NV8J Models that have ECU software 89663\-E2B40A or 89663\-E2B50A. Some engines may erroneously record P2457 DTC in ECU. This fault condition is due to ECU software misdetection of EGR cooler efficiency.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2012/MC-10182894-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10182894-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

P2457

## Vehicles listed

- 2012 HINO NE8J
- 2012 HINO NJ8J
- 2012 HINO NV8J

JSON: [/v1/bulletins/10182894](/v1/bulletins/10182894)

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