For 1990-2009 cars

### Programming Theft Deterrent System Components

Important: When replacing a theft deterrent module (TDM), ensure the procedure to setup a new theft deterrent module is performed prior to the key coding procedure.

#### Set Up a New Theft Deterrent Module

From the scan main menu, select service programming system, then follow the instructions on the screen. Refer to Service Programming System (SPS) .

#### Key Coding Procedure

Important: Use only a master key when performing the first relearn procedure. If a valet key is used first, the TDM will not allow additional keys to be learned.

Use this procedure after replacing any of the following components:

• | The vehicle keys.

• | The TDM.

• | The ECM.

Important: When replacing a TDM, ensure the procedure to setup a new theft deterrent module is performed prior to the key coding procedure.

From the scan main menu, select service programming system, then follow the instructions on the screen.