# Service bulletin TSB210183\-082420

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: 10202383
- Published by NHTSA: 2021\-10\-25
- Manufacturer's number: TSB210183\-082420
- Manufacturer's date: 2021\-08\-24
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of FC 5655 due to the aftertreament system test failing Nox sensors on low hour aftertreatment systems. The system test fails the sensor rationality and directs the technician to replace the NOx sensors.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10202383-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10202383-9999.pdf)

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

## Components

Engine

## Vehicles listed

- CUMMINS L9

JSON: [/v1/bulletins/10202383](/v1/bulletins/10202383)

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