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4. Connect the Main 16-pin DLC cable (GHDM - 241000) between the VCI and the OBD-II
connector, located under the driver's side of the instrument panel.
5. With the ignition key ON, turn ON the VCI and GDS tool. Access the GDS vehicle identification
number (VIN) screen and configure the vehicle using the VIN AUTO DETECT Function.
6. Once back at the GDS Main Screen, select ECU Upgrade from the bottom right-hand corner.
Next select Auto Mode, and then Engine. Perform the ECM upgrade in accordance with normal
GDS tool ECM upgrade procedures.
*NOTICE
*NOTICE
Do NOT attempt to perform a Manual Mode upgrade unless Auto Mode fails. Always follow the
instructions given on the GDS tool in either Auto or Manual mode. See table for Manual Mode
passwords.
MANUAL MODE PCM UPGRADE PASSWORDS:
* Do NOT perform Manual Mode ECM upgrade unless Auto Mode fails
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