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.
Off-Board Remote Programming Procedure
The Off-Board Programming Adapter Kit (J 41207) is required when a module must be programmed without having the vehicle present. The adapter allows the module to be turned ON and communicate with the scan tool.
Performing Off Board Remote Procedure
- Obtain the Vehicle Identification Number (VIN) of the vehicle for which the module is being programmed.
- Launch the TIS application at the terminal.
- Select the Service Programming System.
- Highlight the following information on the Select Diagnostic Tool and Programming Process screen:
- Select Diagnostic Tool, select Tech 2®.
- Select Programming Process, identify whether an existing module is being reprogrammed or replaced with a new one.
- Select ECU location, select Off-Board Programming Adapter.
- Select, Next.
- Follow the directions on the Preparing For Communication screen for connecting the following components:
- The control module.
- The Off-Board Programming Request Information function on the Tech 2®.
- The Tech 2®.
- Select the Service Programming Request Information function on the Tech 2®.
- Follow the Tech 2® instructions to obtain the module data and security information.
- After the Tech 2® has received the data from the module, exit the Request Info mode.
- Disconnect the Tech 2® from the OBPA.
- Turn Off the Tech 2®.
- Connect the Tech 2® to the terminal.
- Turn ON the Tech 2®.
- Select Next at the terminal after the Tech 2® start-up screen appears.
- Enter the VIN of the vehicle that will be receiving the control module.
- 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 (VCI)
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.
- Normal
- Select Next.
- Select a calibration on the Calibration Selection screen, if necessary.
- Ensure all the desired folder tabs have a Green check mark.
- Select Next.
- Verify the current and the selected calibration of the control module on the Summary screen.
- Select Next.
- Select OK.
- On model year 1996 and newer controllers, a Crankshaft Position (CKP) relearn procedure box may appear. Select OK.
- Follow the on-screen instructions, if any, when the Program Controller/Programming Complete screen appears.
- Select Close.
- Turn OFF the Tech 2®.
- Disconnect the Tech 2® from the terminal.
- Connect the Tech 2® to the OBPA.
- Turn ON the Tech 2®.
- Select ENTER at the Title screen.
- Select the Service Programming System at the Main Menu.
- Select the Program ECU function.
- Select Continue.
- Follow the on-screen instructions.
- Select Continue.
- Select Exit when the Programming is complete.
- Turn OFF the OBPA.
- Turn OFF the Tech 2®.
- Disconnect the OBPA from the Tech 2® and the control module.
NO RELATED
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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.