# Service bulletin T2237

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: 10170449
- Published by NHTSA: 2020\-01\-21
- Manufacturer's number: T2237
- Manufacturer's date: 2019\-12\-03
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

## NHTSA's summary

This Temporary Repair Practice is being issued to address Turbocharger and/or System Outlet NOx Sensor failures on certain ISX12 CM2350 engines. This TRP authorizes certified repair locations to replace the Turbocharger and/or the System Outlet NOx Sensor if fault codes or troubleshooting lead to a confirmed failure of the Turbocharger and/or the System Outlet NOx Sensor.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10170449-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10170449-9999.pdf)

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

## Components

Engine, Turbocharger or supercharger

## Vehicles listed

- CUMMINS ISX12

JSON: [/v1/bulletins/10170449](/v1/bulletins/10170449)

[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%20T2237&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10170449&vehicle=Service%20bulletin%20T2237)