Performing the Pass-Thru Procedure
WARNING: This page is about a different car, the 2003 Chevrolet SSR. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
The TIS supports service programming with the Tech 2(tm) scan tool only.
- Launch the TIS application at the terminal.
- Select the Service Programming System.
- Highlight the following information on the Select Diagnostic Tool Programming Process screen:
- Select Diagnostic Tool-Select Pass-Thru
- Select Programming Process-Identify whether an existing module is being reprogrammed or a module is being replaced with a new one.
- Select ECU Location-Select vehicle
- Select Next.
- Complete all terminal-directed data on the Preparing for Communication/Determine Vehicle screen until Next is highlighted.
- Select Next.
- Follow the instructions on the Preparing for Communication screen.
- Select Next.
- Verify the VIN on the Validate Vehicle Identification Number screen.
- Select Next.
- When selecting the vehicle configuration index (VCI) programming type, a valid VCI number for the vehicle must be entered. This number may be obtained from the Techline Customer Support.
- The correct tire size and axle ratio must be highlighted and a valid VCI number entered if you select Reconfigure for your programming type.
- If an option screen appears, verify the vehicle configuration and/or RPO information.
- Select Next.
- Highlight the appropriate control module and programming type on the Supported Controllers screen.
- Select Next.
- Select the proper calibrations on the Calibration Selection screen.
- Ensure all the folder tabs have a green check mark.
- Select Next.
- Verify the current calibrations with the selected calibrations.
- Select Next.
- The Transfer Data screen will appear until the progress bar reaches 100 percent. This may take up to 30 minutes.
- Complete all of the terminal-directed data on the Programming Complete screen.
- Turn OFF the Tech 2(tm).
- Disconnect the Tech 2(tm) from the vehicle.
IMPORTANT:
In order to reduce the potential for signal loss, the RS-232 cable should not be more than 25 feet long.
IMPORTANT:
The correct vehicle identification number (VIN) must be entered if the VIN does not appear correctly.
IMPORTANT:
IMPORTANT:
Select Cancel if you receive a message stating that the calibration selected is already the current calibration in the control module and reprogramming with the same download is not allowed.
IMPORTANT:
Some vehicles will require that Idle Learn, Theft Deterrent Relearn, or Crankshaft Variation Learn procedures be performed after programming. Consult the appropriate service information for these procedures.