# Service bulletin T1479A

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: 10085286
- Published by NHTSA: 2016\-12\-01
- Manufacturer's number: T1479A
- Manufacturer's date: 2014\-04\-11
- NHTSA component: ELECTRICAL SYSTEM; ENGINE

## NHTSA's summary

AS NEW ECM CALIBRATIONS ARE INSTALLED, THE COMPATIBILITY OF THE ECM CALIBRATION AND THE SCR CATALYST MUST BE MAINTAINED. THIS TEMPORARY REPAIR PRACTICE ALLOWS FOR THE INSPECTION OF THE SCR CATALYST PER TSB130099 WHEN A NEW ECM CALIBRATION IS INSTALLED DURING A REPAIR EVENT. THIS IS A REVISION TO A PREVIOUS COMMUNICATION.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Engine

## Vehicles listed

- CUMMINS ISX12
- CUMMINS ISX15

JSON: [/v1/bulletins/10085286](/v1/bulletins/10085286)

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