Service Programming Methods

The 4 methods of programming a control module and the proper tools for each method are as follows:

Remote Programming:
- The Tech 2 or other scan tool, Techline Terminal or a personal computer equipped with General Motors Corporation authorized Programming software - The Tech 2 or other scan tool is used as an interface between the vehicle and the Techline Terminal or a personal computer.
- The control module is installed in the vehicle
Pass Thru Programming:
- The Tech 2 or other scan tool, Techline Terminal or a personal computer equipped with General Motors Corporation authorized programming software - The Tech 2 or other scan tool is used as an interface between the vehicle and the Techline Terminal or a personal computer.
- The control module is installed in the vehicle.
Off-Board Remote Programming, vehicle NOT available:
- The Tech 2 or other scan tool, off-board programming adapter (OBPA), Techline Terminal or a personal computer equipped with General Motors Corporation authorized programming software - The Tech 2 or other scan tool is used as an interface between the vehicle and the Techline Terminal or a personal computer.
- The control module is NOT installed in a vehicle
Off-Board Pass Thru Programming

The Tech 2 or other scan tool, off-board programming adapter (OBPA), Techline Terminal or a personal computer equipped with General Motors Corporation authorized programming software - The Tech 2 or other scan tool is used as an interface between the vehicle and the Techline Terminal or a personal computer.
The control module is NOT installed in a vehicle

All 4 methods may not be available for every vehicle.

For information on programming a control module using one of the methods listed above. For 4.3L, refer to REMOTE PROGRAMMING or PASS-THRU PROGRAMMING or OFF-BOARD PROGRAMMING or OFF-BOARD PASS-THRU PROGRAMMING .