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Because of a recent update to the GM Service Programming System (SPS), a new method is available for selecting a J2534 tool in TIS2Web.



A J2534 tool (MDI, MDI 2, or other J2534 device) is required to manage the transfer of data between a vehicle’s onboard network and a service technician’s PC.

J2534 is an interface standard designed by the Society of Automotive Engineers (SAE) and mandated by the Environmental Protection Agency (EPA) for vehicle Electronic Control Unit (ECU) reprogramming.

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Choosing a Tool
From the Select Diagnostic Tool and Programming Process screen, choose the J2534 Tool option for all J2534 tools (MDI, MDI 2 or other J2534 device).

The first time that the J2534 Tool option is selected, a screen will appear (see graphic) asking the user to select a device type, such as the MDI, MDI 2 or other tool.

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Changing a Selection
After choosing a J2534 tool, complete reprogramming of the control module. If the J2534 tool selection needs to be changed, mark the check box next to the Select Programming Process menu on the Select Diagnostic Tool and Programming Process screen. Next, choose the Reset J2534 Tool box and then select Next to set up a different J2534 tool.