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How to Test and Calibrate Your TPMS Diagnostic Tools

May. 22, 2024

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1. Choose the Right Tool


The first step is selecting the appropriate TPMS diagnostic tool for you. There are various types of tools available, including scan tools, activation tools, and combination tools. Scan tools can read and clear TPMS codes but cannot activate the sensors. Activation tools can trigger the sensors to send signals but cannot read the codes. Combination tools can perform both functions, though they are more expensive and complex. Choose the tool that best fits your vehicle and TPMS needs based on your requirements and budget.


2. Update the Software


The second step is to regularly update the software of your diagnostic tool. TPMS technology is constantly evolving, with new sensors, protocols, and features being introduced. To ensure your tool can communicate with the latest TPMS systems, you need to keep its software up to date. You can update the software by connecting your tool to a computer or network and downloading the latest version from the manufacturer's website.


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3. Check the Battery


The third step is to check the batteries of both your diagnostic tool and your TPMS sensors. A low battery can compromise the accuracy and reliability of your tool and sensors. Replace the battery in your tool if it shows a low battery warning or fails to power on. Similarly, replace the batteries in your sensors if they display a low battery warning or do not respond to the tool. You can check the battery status of your sensors using your diagnostic tool or by monitoring the TPMS indicator on your dashboard.


4. Perform a Pre-Scan


The fourth step is to perform a pre-scan of your TPMS before testing or calibrating it. A pre-scan helps identify any existing problems or faults with your TPMS, such as sensor malfunctions, communication errors, or system failures. Use your scan tool or combination tool to perform a pre-scan by following the on-screen instructions. Conducting a pre-scan can save you time and trouble by avoiding unnecessary tests or calibrations.


5. Follow the Procedure


The fifth step is to follow the correct procedure for testing or calibrating your TPMS. Different vehicles and TPMS systems may have specific procedures for testing or calibrating their sensors and modules. Consult your vehicle's manual or the manufacturer's website for the specific procedure applicable to your vehicle and TPMS. Additionally, follow the instructions on your diagnostic tool, ensuring that each step is completed correctly and in the right order.


6. Perform a Post-Scan


The sixth and final step is to perform a post-scan of your TPMS after testing or calibrating it. A post-scan helps verify that your TPMS is functioning properly and that there are no errors or faults. Use your scan tool or combination tool and follow the on-screen instructions to complete this step. A post-scan provides peace of mind and ensures that your TPMS is accurate and reliable.

TPMS Diagnostic And Service Tool


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