Remote Programming
- Turn OFF the ignition.
- Install the Tech 2™ to the data link connector (DLC).
- Turn ON the ignition, with the engine OFF.
- Turn OFF all vehicle accessories.
- With the Tech 2™, select Service Programming.
- Identify vehicle information as requested by the Tech 2™.
- Select the type of module you are programming.
- Select the type of programming to be performed.
- Verify the displayed VIN with the vehicle VIN. If the displayed VIN does not match the actual VIN, write down the actual VIN and correct the VIN at the Techline™ terminal.
- When complete, Exit Service Programming.
- Turn OFF the Tech 2™ and disconnect the Tech 2™ from the vehicle.
- Turn OFF the ignition.
- Connect the Tech 2™ to the Techline™ terminal.
- Select Service Programming.
- Select Tech 2™ as the tool you are using.
- Select the type of programming to be performed.
- Verify the displayed VIN with the vehicle VIN. Correct the VIN as necessary.
- Select the type of module you are programming.
- Identify what type of programming that you are performing.
- Normal-This type of programming is for updating an existing calibration or programming a new controller.
- Vehicle Configuration Index (VCI)-This selection is used if the vehicle VIN is unavailable or not recognized by the Techline™ terminal. Observe, you will need to contact the Techline™ Customer Support center to use this option.
- Reconfigure-This is to reconfigure a vehicle, such as tire size and axle ratio changes.
- Select the appropriate calibration file.
- Ensure all connections are secure.
- Select Reprog to initiate the download of the new calibration to the Tech 2™.
- After the download is complete, turn OFF the Tech 2™.
- Disconnect the Tech 2™ from the Techline™ terminal.
- Install the Tech 2™ to the data link connector (DLC).
- Turn ON the Tech 2™.
- Turn ON the ignition, with the engine OFF.
- Select Service Programming.
- Select Program.
- After the download is complete, EXIT Service Programming.
- Turn OFF the ignition for 30 seconds.
- Turn OFF the Tech 2™.
- If a control module is replaced the following service procedures must be performed:
- The Engine Oil Life Reset Procedure. Refer to GM Oil Life System Resetting in Maintenance and Lubrication.
- Inspection/Maintenance Complete System Set Procedure .
IMPORTANT:
DO NOT turn OFF the ignition if the programming procedure is interrupted or unsuccessful. Ensure that all the ECM and DLC connections are secure and the Techline™ operating software is up to date. Attempt to reprogram the control module. If the control module cannot be programmed, replace the control module. Refer to Engine Control Module Replacement .