Product-related text:

- Special Tool EL-50448 can be used for the relearning procedure of GM vehicles equipped with a TPM system (315 or 433 MHz tire pressure monitoring).
- The tire pressure monitoring system usually functions properly. The body control module records the ID information of each tire pressure sensor position.
- Follow the specific methods below to read the tire pressure sensor after replacing a tire or wheel speed sensor.
- Step 1: Enter the learning mode by setting the gear lever to "P," turning the ignition switch to "on," and entering the tire pressure display interface. The horn will beep twice to enter the learning mode.
- Step 2: Read the information with tire pressure sensor start-46079 or diagnostic tool EL-50448. Place the antenna against the valve core position and near the edge of the tire sidewall. EL-50448 tire pressure tool starts with the start button and successfully reads the information when the horn beeps once.
- Step 3: Use the same method to read other tire pressure information. Follow the above instructions to read the front-right, rear-right, rear-left wheel's tire pressure. The turn signal will illuminate for 3 seconds, and the horn will beep twice when the learning process is complete.
- For certain vehicles equipped with a TPM system, replacement of the tire pressure sensor is required. This reinstallation can be done using special tool 50448.

Package list: 1 x EL50448.

Note: This tool is only compatible with General Motors vehicles. It will not work for a Ford Expedition XLT 2006 or any other non-GM vehicle.

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