# Service bulletin 167\-T2508\-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.

- Type: Service bulletin
- NHTSA id: 11021273
- Published by NHTSA: 2025\-08\-04
- Manufacturer's number: 167\-T2508\-1
- Manufacturer's date: 2025\-07\-17
- Campaign id or software version: TT\-25\-008
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Subject vehicles may experience the air conditioning not cooling at idle, and note that the engines cooling fan does not engage with high A/C pressures. This is related to the Air Conditioning Pressure Switch being disabled in the Cummins Engine ECU.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021273-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021273-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- HINO HINO

JSON: [/v1/bulletins/11021273](/v1/bulletins/11021273)

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