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Tech Tool is an application that supports the repair and diagnostic process. With Tech Tool you can diagnose, test, calibrate, and program.

The current version of Tech Tool 2.8 is 2.8.301. The current version of Workshop Toolbox is 15.0.13.
Announcement
Workshop Toolbox: More Applications Now Available
Trip Data and the Active Steering Calibration software are now available to dealers exclusively through the Workshop Toolbox application. Click ‘Read More’ to visit the Trucks Dealer Portals and learn how to gain access.
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WORKSHOP TOOLBOX AND THE NEW CHECK-IN TOOL
ACADEMY LIVE (RECORDED)
License Agreement | 2016 On Board Diagnostics (OBD) Changes
ECU Emissions Programming Offering
The ECU programming for OBD2013 and newer emissions vehicles will include programming for the Engine ECM, Aftertreatment Control Module (ACM), Transmission ECU (TECU) and Vehicle ECU. We are required to provide access to program certain emissions related ECU’s under the Service Information Requirement law, step 2013. Both the EPA and CARB require this. The following EPA software reprogramming requirement is described on page 8418 EPA OBD & SIR: 40 CFR Part 86.010-38.