Before tire pressure monitoring system works normally properly, the body control module will record ID information of each position in the tire pressure sensor; and use the following methods to read the tire pressure sensor after replacing a tire or wheel speed sensor.

The package does not include the charger and battery

Step 1 - Enter leaning mode
Set the gearshift lever to P
Put the ignition switch to "ON"
Enter the interface of tire pressure display by DIC
DIC shows Press Set Ctrl to re-learn
Press "Set Ctrl"
The turn signal is lighted for 3 seconds and the horn beep sound twice to enter the learning mode

Step 2 - Read tire pressure sensor information
Start from the front-left wheel,
Make the J-46079 or Diagnostic Tool EL-50448 antenna up against the valve core position & close to the rim of the tire sidewall El-50448 tire pressure tool starts by the start switch Successful to read the tire pressure sensor information when the horn bleeps once

Step 3 - Same method to read other tire pressure information
Follow the instuction above to read tire pussure of the front-right, rear-right, rear-left wheels.
Turn signals is lighted for 3 seconds and the horn bleeps twice when the learning is complete.

• For Most GM vehicles equipped with Tire Pressure Monitoring (TPM) system, a "Sensor Re-Learn Procedure" must be performed after tire rotations, Remote Control Door Lock Receiver Module replacement or Tire Pressure Sensor replacement
• Simple, Fast and Easy to Use. Reprogram each tire only takes less than 30 seconds El-50448 GM Tire Pressure Monitor Sensor TPMS Activation Tool activates the individual TPM sensor with the press of one button
• Ensure that the vehicle is in the TPMS Learn Mode, and follow the service procedure. Hold tool against the sidewall of the tire, near the valve stem. Depress Learn button while holding the tool against the tire sidewall
• The package do not come with battery, please put your own battery inside the device to power it on.Please send your detail car model and year to check whether this device can fit your vehicle or not, our engineer will online reply your question as fast as we can.

For Most GM vehicles equipped with Tire Pressure Monitoring (TPM) system, a "Sensor Re-Learn Procedure" must be performed after tire rotations, Remote Control Door Lock Receiver Module replacement or Tire Pressure Sensor replacementAonew