1. Introduction
The OBDResource TPS10 is a universal Tire Pressure Monitoring System (TPMS) relearn tool designed to activate and relearn TPMS sensors operating at 315MHz or 433MHz. It is an essential device for maintaining proper tire pressure monitoring after sensor replacement, tire rotation, or when the TPMS warning light is active. This manual provides detailed instructions for the safe and effective use of your TPS10 tool.

2. Package Contents
Please check the package carefully to ensure all items are present and in good condition:
- 1 x OBDResource TPS10 TPMS Reset Tool
- 1 x USB Cable
- 1 x English User Manual
- 1 x Quick Start Guide

3. Product Overview
The TPS10 features a compact design with an intuitive button layout and a 1.8-inch color screen for easy navigation. Key components include:
- Antenna: For wireless communication with TPMS sensors.
- USB Interface: Connects to a computer for upgrades.
- Back Key: Returns to the previous menu (long press for main menu).
- OK Key: Confirms selections.
- Directional Pad (Up/Down/Left/Right): Navigates through menus.
- Power Key: Long press to turn on/off.
- Battery Compartment: Holds 3 AA batteries.

4. Setup
4.1 Battery Installation
- Locate the battery compartment cover on the back of the TPS10 tool.
- Slide or unclip the cover to open the compartment.
- Insert 3 new AA batteries, ensuring correct polarity (+/-).
- Replace the battery compartment cover securely.
Note: Batteries are not included. Always use new, high-quality AA batteries for optimal performance. The magnitude of the battery voltage affects the signal strength of the device.
4.2 Powering On/Off
- To power on: Long press the Power Key (labeled with a circle and vertical line).
- To power off: Long press the Power Key again.
5. Operating Instructions: TPMS Relearn Procedure
The TPS10 simplifies the TPMS relearn process. Follow these steps:
- Step 1: Select Vehicle Information
From the tool's main menu, navigate to the TPMS system. Select the brand and year of your car. - Step 2: Enter Learning Mode
Ensure your vehicle is in TPMS learning mode. If you are unsure how to do this, select the 'Relearn Procedure' option within the TPS10 after selecting your vehicle to view specific instructions. - Step 3: Scan Single Sensor
Select 'Scan Single Sensor' from the menu. Place the TPS10 tool near the tire valve stem. Press the 'OK' key to initiate the relearn process for that sensor. The vehicle's horn may chirp twice, indicating successful sensor recognition. - Step 4: Follow Relearn Order
Proceed to relearn the sensors in the following sequence: Front Left, Front Right, Rear Left, Rear Right. Once all sensors are successfully relearned, the TPMS relearn procedure is finished.

6. Compatibility
The OBDResource TPS10 is designed to be compatible with approximately 99% of car brands and models equipped with 315MHz or 433MHz TPMS sensors. This includes, but is not limited to, popular brands such as:
- Buick, Cadillac, Chevrolet
- Ford (F150, F250, Focus, Mustang), Lincoln, Mercury
- Dodge, RAM
- Subaru, Jeep, Hyundai, Nissan, Infiniti
- Mazda, Volkswagen, Mercedes, BMW
Important Note: This tool is suitable for light trucks but is NOT designed for heavy trucks or vans with more than 4 tires.

7. Maintenance
7.1 Software Updates
The TPS10 supports free software updates to ensure compatibility with new vehicle models and improved functionality. To update the software:
- Connect the TPS10 to your computer using the provided USB cable.
- Visit the official OBDResource website to download the latest update software and instructions.
- Follow the on-screen prompts to install the updates.
Note: The USB interface is used for connecting to a computer to copy and paste upgrade files to the removable disk for updates.
8. Troubleshooting
Here are some common issues and tips for using your TPS10 tool:
- Device not powering on: Ensure 3 new AA batteries are correctly installed with proper polarity.
- Difficulty with sensor activation/relearn: Make sure the antenna is positioned correctly near the tire valve stem.
- Inability to recognize new sensors after installation: Confirm the vehicle is in the correct TPMS learning mode before attempting relearn.
- Subaru vehicles: For Subaru models, an additional OBD2 scan tool may be required to put the vehicle into learning mode before using the TPS10 for sensor activation.
- Limited functionality: The TPS10 is designed to relearn and activate TPMS sensors only. It cannot read sensor information or program new sensors.

9. Specifications
| Feature | Detail |
|---|---|
| Model Name | TPS10 |
| Brand Name | OBDResource |
| Item Type | Pressure & Vacuum Testers |
| Material | Plastic |
| Item Weight | 164 g |
| Item Height | 1.02 inches |
| Item Width | 2.68 inches |
| Item Length | 6.69 inches |
| Hardware Version | Latest |
| Software Version | No (Updatable via USB) |
| External Testing Certification | CE |
| Certification | RoHS, FCC, CE |
| Batteries Included | No (Requires 3 AA batteries) |
| Origin | Mainland China |
10. User Tips
- Always ensure your vehicle's ignition is in the 'ON' position (engine off) when performing a TPMS relearn.
- If the tool struggles to activate a sensor, try moving it slightly around the valve stem or rotating the tire a quarter turn.
- Keep the tool's software updated to ensure compatibility with the latest vehicle models and sensor types.
11. Warranty and Support
For technical support, warranty information, or service inquiries, please contact OBDResource customer service through their official website or the contact details provided in your product documentation. Keep your purchase receipt as proof of purchase.