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WARNING!
If a previous installation of an Accessport is detected, you will be given the option to
overwrite it with a new installation. Be aware that the previous installation will be
permanently lost and unrecoverable. This detection may occur prior to saving the stock ECU
program data, in which case the ECU program data will not be saved. In the case of a
previous install, a stock ECU program supplied on the Accessport will be used when you
uninstall.
Install Accessport Programming
With the stock ECU data saved, the Accessport will automatically proceed with installation to the
vehicle. At this point, the Accessport reprograms the vehicle's ECU with new program data and
calibration parameters from the installation map file. This process will take several minutes to
complete.
Transmission Control Module (TCM) Flashing
If you are using an AP3-NIS-006 or AP3-NIS-008, after installing the new map on the ECU, the
Accessport will proceed with TCM flashing.
Follow the instruction to save stock TCM program data; it takes approximately 7 minutes to complete the
operation. Press OK to continue with saving the stock data, or press CANCEL to skip the process.
After the Accessport downloads and saves the stock TCM program data, it will proceed with installation
of TCM data to the vehicle. Choose from a list of TCM map options. For more information about what
TCM map to use, please refer to section “Transmission Control Modules”.
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