Information to Support CEAF: New Software release for ISB and ISL Euro 4 and 5 Products Lisa Ferguson Cummins Confidential

Project Scope Change Summary: Background: Improvements: A new revision of the ECM code for ISB and ISL Euro 4 and 5 products is being released. This will include various new introduction and product improvements Background: New features include: Broadcasting of the DLCC1 message Correcting the two Speed Rear Axle Ratio Setup in Insite Improvements: Compression Brake disengagement improvements ISLe5 ONLY Implementation Strategy and Date: The project is expected to finalise on the 31/08/2017 Cummins Confidential

Broadcasting the DLCC1 Message Background and Previous Operation: Currently the DLCC1 – Direct Lamp Control Command 1 message is not broadcast on the Euro 4 and Euro 5 ISB and ISL engine platforms Proposed Operation: The Engine will now broadcast the DLCC1 message Cummins Confidential

Two Speed rear Axle ratio setting in Insite Background and Previous Operation: Currently in Insite it is possible to set the Two Speed Rear Axle ratio lower than the Rear Axle Ratio Proposed operation: The calibration will now be set up so that it is not possible to set the Two Speed Rear Axle ratio lower than the Rear Axle Ratio in Insite Cummins Confidential

Compression brake disengagement improvements for ISLe5 ONLY Background: The ISLe engine uses a compression brake to assist in slowing down loaded vehicles. The engine calibration has been updated to communize the engine compression brake operation with familiar product and improve the engines disengagement of the compression brake. Previous Operation: Compression brake disengagement was not optimized. Proposed Operation: The Compression brake disengagement is now optimised for a smoother transition Cummins Confidential