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Why is the tire pressure monitor not displaying data?

2 Answers
McColton
09/06/25 2:45am
Tire pressure monitor not displaying data reasons: Battery depleted: The module's battery is depleted, usually requiring replacement of the entire tire pressure monitoring module. Inspection port blocked: The module's inspection port is obstructed, preventing detection. Pairing failure: Re-pairing is needed. Some vehicle models can complete this independently, but most require professional pairing at a 4S shop. Tire pressure monitoring is not real-time. If an abnormality occurs in the tire, the dashboard will automatically display a message. The display does not show specific values, only indicating which tire has an issue. The working principle of tire pressure monitoring is: Using pressure sensors installed in the tires to measure tire pressure, wireless transmitters send pressure information from inside the tire to the central receiver module. Methods to eliminate tire pressure warnings: There is a tire monitoring indicator button on the central console. After the system issues a low tire pressure warning, the vehicle must remain stationary for about one minute. Do not move the vehicle or turn off and restart the ignition until pressing the button to recalibrate the tire monitoring indicator. Find the tire pressure reset option in the settings on the central display. If none of the above works, visit a 4S shop to eliminate the tire pressure warning. What to do if tire pressure is insufficient: If no damage is visible, inflate to normal tire pressure and reset the tire pressure system. If inspection reveals a puncture, drive to a tire shop promptly for repair, then reinflate. If the low tire pressure warning reappears after inflation without a puncture, it may be due to air leakage caused by a deformed wheel rim. It is recommended to inspect and replace the wheel rim.
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StElisa
09/18/25 2:49am
I've encountered situations where the tire pressure monitoring system (TPMS) in my car suddenly stops displaying data multiple times, which is really frustrating. The most common cause is the sensor's battery running out of power, as those little devices are installed inside the tires and typically require battery replacement every year or two. Sometimes, excessive vehicle vibration can damage the sensors, or their signals get interfered with by other devices, such as when a phone or wireless charger is nearby, causing signal loss. Another possibility is a system pairing issue, like when you change tires but fail to reinitialize the system, making it unable to recognize the new sensors. Additionally, if the display unit itself has a circuit malfunction, it can also lead to data not being shown. My suggestion is to first try troubleshooting yourself: restart the monitoring system. If that doesn’t work, visit a professional shop to test the sensors with specialized equipment. It’s also a good practice to manually measure the actual tire pressure monthly to cross-check the data, as this helps detect issues early and prevents blowout risks, ensuring safety and peace of mind. Developing a habit of checking tire pressure before driving can significantly reduce the chances of such failures.
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