Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Performing Pass-Thru Procedure
2004 Oldsmobile Bravada AWDSECTION Performing Pass-Thru Procedure
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Malibu, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- 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 - 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 on-screen instructions for connecting the control module, the Off-Board Programming Adapter (OBPA). Refer to the TIS Users Guide for a listing of OBPA, or the Tech 2®.
- Select NEXT.
- Pass-Thru displays the VIN stored in the control module. If a new control module is being programmed, enter the correct VIN of the vehicle.
- Select NEXT.
- Select the appropriate options if the Options screen appears.
- Select Next.
- Select the type of programming to be performed from the following categories:
- Normal - Used for updating an existing calibration or programming a new controller.
- Vehicle Configuration Index - Used for updating an existing controller or programming a new controller for newer vehicles whose VINs are not yet in the database.
- Reconfigure - Used to reconfigure a vehicle for changes in tire size and axle ratios.
- Select Next.
- Select a calibration selection on the Calibration Selection screen, if necessary.
- Ensure all the desired calibration folder tabs have a Green check mark.
- Select NEXT.
- Verify the current and selected calibration of the control module on the Summary screen.
- Select NEXT.
- Select OK.
- Complete all of the terminal-directed data on the Programming Complete screen.
- Select OK.
- Select CLOSE.
- Turn OFF the OBPA.
- Turn OFF the scan tool.
- Disconnect the OBPA from the Tech 2® and the control module.
NOTE:
To reduce the potential for signal loss, the RS-232 cable should not be more than 25 feet long.
NOTE:
Ensure the correct connector for the control module is used.
NOTE:
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 Techline Customer Support.
NOTE:
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.
NOTE:
On model year 1996 and newer controllers, a Crankshaft Position (CKP) relearn procedure box may appear.
NOTE:
Wait 30 seconds after the OBPA is shut OFF before disconnecting the control module.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.