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March 2015
Guidelines on Updating ECM Calibration and Replacing SCR Catalyst in ISX12/15 CM 2350 Engines

If an ECM calibration or SCR replacement is required on an ISX12/15 CM2350, SCR compatibility must be maintained. For further information read Guidelines on Updating ECM Calibration and Replacing SCR Catalyst in ISX12/15 CM 2350 Engines.

Technical Updates

We’ve updated the list of Technical Updates. Please keep in mind that this information does not replace instructions located on QuickServe® Online.

Warranty Communications

Have you missed any recent Cummins Warranty Publications? Review a summary of Dealer Warranty Communications published since February 10, 2015. For the most up-to-date list, log onto QuickServe® Online.


Peterbilt/Cummins Dealer Website

QuickServe® Online

Rapidserve™ Web