Description

Description:

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 the following

methods to read the tire pressure sensor after replacing a tire or wheel speed sensor.

How to use

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 instruction 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.

EL-50448 instructions:

EL50448 works on all General Motors (For Buick, for Cadillac, forChevrolet, forGMC) products manufactured for the North American market. It won't work if you've purchased aftermarket sensors that are the wrong frequency. EL50448 fit for G.M most kind of vehicles, equipped with a 315 or 433 MHz Tire Pressure Monitoring (TPM) system. This re-learn procedure can be performed by using special tool EL-50448.