# Service bulletin C2117A

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: 10170437
- Published by NHTSA: 2020\-01\-21
- Manufacturer's number: C2117A
- Manufacturer's date: 2019\-12\-17
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This field action authorizes certified repair locations to upfit certain ISL CM2350 engines with an improved SCR Catalyst. For MY2013 thru MY2014 engines that qualify for a new SCR Catalyst, a new wiring harness connector plug and a calibration update will be required. This is an update to a previously submitted communication.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10170437-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10170437-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- CUMMINS ISC

JSON: [/v1/bulletins/10170437](/v1/bulletins/10170437)

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