How can you ensure diagnostic tools for tire pressure monitoring systems are accurate?

1 Choose the right tool

The first step is to choose the right diagnostic tool for your TPMS. There are different types of tools available, such as scan tools, activation tools, and combination tools. Scan tools can read and clear TPMS codes, but they cannot activate the sensors. Activation tools can trigger the sensors to send signals, but they cannot read the codes. Combination tools can do both functions, but they are more expensive and complex. Depending on your needs and budget, you should select the tool that suits your vehicle and your TPMS.

2 Update the software

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

3 Check the battery

The third step is to check the battery of your diagnostic tool and your TPMS sensors. A low battery can affect the accuracy and reliability of your tool and your sensors. You should replace the battery of your tool when it shows a low battery warning or when it fails to power on. You should also replace the battery of your sensors when they show a low battery warning or when they fail to respond to the tool. You can check the battery status of your sensors by using your tool or by checking the TPMS indicator on your dashboard.

4 Perform a pre-scan

The fourth step is to perform a pre-scan of your TPMS before you test or calibrate it. A pre-scan can help you identify any existing problems or faults with your TPMS, such as sensor malfunction, communication error, or system failure. You can perform a pre-scan by using your scan tool or your combination tool and following the instructions on the screen. 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 different procedures for testing or calibrating their sensors and modules. You should consult your vehicle's manual or the manufacturer's website for the specific procedure for your vehicle and TPMS. You should also follow the instructions on your diagnostic tool and make sure that you complete each step 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 you test or calibrate it. A post-scan can help you verify that your TPMS is working properly and that there are no errors or faults. You can perform a post-scan by using your scan tool or your combination tool and following the instructions on the screen. A post-scan can give you peace of mind and confidence that your TPMS is accurate and reliable.

7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?