# Service bulletin C2110A

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: 10171576
- Published by NHTSA: 2020\-02\-24
- Manufacturer's number: C2110A
- Manufacturer's date: 2020\-01\-15
- NHTSA component: EQUIPMENT; ELECTRICAL SYSTEM

## NHTSA's summary

This field action authorizes certified repair locations to upfit certain ISL CM2350 engines with an improved Selective Catalytic Reduction \(SCR\) Catalyst, if the engine meets certain criteria. For MY2013 thru MY2014 engines that qualify for a new SCR Catalyst, a wiring harness connector plug and a calibration update will be required. This is a revision to a previously submitted communication.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171576-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171576-9999.pdf)

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

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- CUMMINS L9

JSON: [/v1/bulletins/10171576](/v1/bulletins/10171576)

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