# Service bulletin TSB230162

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: 10243508
- Published by NHTSA: 2023\-10\-04
- Manufacturer's number: TSB230162
- Manufacturer's date: 2023\-09\-05
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of issue of fault codes FCs 1921, 1922, 1981, 2639, 3375, 3376 as well as excessive aftertreatment system regeneration.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243508-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243508-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS X15

JSON: [/v1/bulletins/10243508](/v1/bulletins/10243508)

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