What is TPMS relearning and how does it work?

What is TPMS relearning?

TPMS (Tire Pressure Monitoring System) relearning refers to reprogramming a vehicle's tire pressure monitoring system to ensure it accurately recognizes the position and pressure of each wheel.

TPMS relearning is a critical process to ensure proper operation of a vehicle's Tire Pressure Monitoring System (TPMS). This procedure is designed to re-establish communication between the vehicle's sensors and the TPMS module, ultimately maintaining the normal operation of the vehicle.

Why should I do a TPMS restudy?

When you replace one or more tires on your vehicle, or replace the tire sensor, and the ECU light on the car dashboard comes on, what is the problem?

This is because after you replace the tires and tire sensors, the car system cannot communicate with the sensors and cannot monitor the pressure of the vehicle tires, which will cause safety risks to the car, so you need to relearn the TPMS.

How does a TPMS system work?

The working principle of the TPMS system is to detect the pressure and temperature of the tires in real time through sensors installed on each wheel, and then send this data to the vehicle's electronic control unit (ECU). The ECU analyzes this data and, if necessary, alerts the driver that there is a tire problem. Through the TPMS system, drivers can detect insufficient tire pressure or other problems in time to ensure driving safety and tire life.

How do I do TPMS relearning?

Each TPMS sensor on a wheel is assigned a unique ID that is registered in the vehicle's TPMS module corresponding to its respective wheel position. When you replace a sensor or rotate a tire, it is necessary to register a new sensor ID or relearn an existing sensor ID to accommodate the specific wheel position on the vehicle.

The primary function of a TPMS is to provide the driver with real-time information on the status of wheel tire pressure. TPMS relearning or reset is essential to prevent any error notifications on the car's ECU after routine maintenance or repairs such as tire replacement.

Autel TPMS sensor relearning method:

Automatic relearning: This method involves driving the vehicle for a specific time and speed to enable the relearning process.

OBD Relearning: In this method, a TPMS tool is connected to the vehicle's OBD (On-Board Diagnostics) port to write or relearn the sensor ID into the vehicle's ECU. This method is often used on vehicles made in Japan and South Korea, as well as certain models from Chrysler, Fiat, Land Rover and Jaguar.

Fixed Relearn: This method allows the vehicle to relearn a new sensor ID without having to drive the vehicle or write the ID to the TPMS module. The relearning process is usually performed when the vehicle is in Park mode. This method is commonly used on some cars made in China and Japan, including General Motors, Ford Motor, Nissan Motor, etc.

How do I access fixed relearn mode?

Enable training or relearn mode using the OBD functionality of the Autel TPMS tool.

Follow the instructions provided by the Autel tool to operate the onboard buttons. Then, activate all tire pressure sensors in a specific order, usually starting with the left front wheel and ending with the left rear wheel in a clockwise direction.

What Autel TPMS relearning tools can I use?

TPMS relearning is critical to maintaining accurate monitoring of vehicle tire pressure. Depending on the make and model of your vehicle, you may choose the appropriate relearn method to ensure that the TPMS continues to work effectively and prevent false notifications from being issued on the vehicle's ECU.

Among the Autel TPMS relearning tools, you can choose the handheld TPMS relearning tool TS508WF or the advanced tablet TPMS relearning tool DS808S-TS and above.

Autel MaxiTPMS TS508WF Advanced TPMS Service Tool With Wi-Fi Updates, Program MX-Sersors 315/433MHz, Relearn/Activate All Sensors

Autel MaxiCheck MX808S-TS Car Scanner, 2023 Bi-directional Tool with 30+ Service, Updated of MX808TS/MX808S/MK808TS