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.
Pass-Thru Procedure
2004 Oldsmobile Bravada RWDSECTION Pass-Thru Procedure
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, and 2003 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The TIS supports service programming with the Tech 2® scan tool only.
Pass-Thru programming allows the scan tool to remain connected to the terminals and to the vehicle throughout the programming process. The vehicle must be in close proximity to the terminal while using Pass-Thru.
- 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.
NOTE:
In order to reduce the potential for signal loss, the RS-232 cable should not be more than 25 feet long.
NOTE:
The correct Vehicle Identification Number (VIN) must be entered if the VIN does not appear correctly.
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 the Techline® Customer Support.
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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.