Baogoo GM Tire Pressure Monitor Sensor TPMS Reset;

Description:
For GM vehicles equipped with a 315 or 433 MHz 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.
This re-learn procedure can be performed by using special tool EL-50448.Also works on 2014 GM models

The tire pressure sensor on models in & after 2012 can be read, only with some specified diagnostic tools.
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 thefollowing methods to read the tire pressure sensor after replacing a tire or wheel speed sensor.

Refer to the instruction as follows:
Step 1 - Enter leaning modeSet 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 pressure 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.

Note
1.Since there is no /off switch , suggest to put the battery out after Use to save battery
2.The item comes without battery inside, all you need is to find a NEW 9 volt battery