# Service bulletin TSB190091

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: 11032113
- Published by NHTSA: 2026\-05\-05
- Manufacturer's number: TSB190091
- Manufacturer's date: 2026\-04\-13
- NHTSA component: ENGINE

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of fault codes 125, 222, 295, 743, 1664, 2191, 2973 and 5989 and/or low power, white smoke, engine misfire and aftertreatment performance complaints as caused by incorrect pressure/ temperature sensor installed in the incorrect location on the engine. This is an update to a previously submitted communication.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032113-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032113-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS B6.7
- CUMMINS ISB6.7
- CUMMINS ISC
- CUMMINS ISL
- CUMMINS ISM
- CUMMINS ISX11.9
- CUMMINS ISX12
- CUMMINS ISX15
- CUMMINS L9
- CUMMINS X12
- CUMMINS X15

JSON: [/v1/bulletins/11032113](/v1/bulletins/11032113)

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