# Service bulletin T2621A

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: 10235470
- Published by NHTSA: 2023\-05\-03
- Manufacturer's number: T2621A
- Manufacturer's date: 2023\-04\-05
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This TRP provides for retroactive coverage of repairs, including customer billable repairs, completed by Cummins authorized repair locations prior to the release date of this field action. This action specifically applies to Engine Outlet NOx Sensor replacements as result of Cummins published troubleshooting for Engine Outlet NOx Sensor failures.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235470-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10235470-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS X15

JSON: [/v1/bulletins/10235470](/v1/bulletins/10235470)

[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%20T2621A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10235470&vehicle=Service%20bulletin%20T2621A)