A steady tire pressure warning light usually means one or more tires are underinflated, while a flashing light often indicates a system malfunction or a sensor issue.
When your tire pressure monitoring system (TPMS) light illuminates, it's important to assess the situation promptly. A steady light suggests you should immediately check your tire inflation levels and add air if necessary. If the light continues to stay on after inflating the tires to the recommended pressure, or if it flashes, it could signal a problem with the TPMS sensors themselves or another component of the system. Driving with underinflated tires can lead to poor handling, increased fuel consumption, and accelerated tire wear. A flashing light, in particular, warrants a closer inspection by a professional to diagnose the specific issue.
This information is for general guidance; always consult your vehicle's owner's manual and a qualified mechanic for specific diagnoses and repairs.
Why is my TPMS light flashing, and what should I do?
A flashing tire pressure monitoring system (TPMS) light typically indicates a malfunction within the TPMS itself, rather than just low tire pressure. This could be due to a dead battery in a TPMS sensor, a faulty sensor, or an issue with the TPMS receiver or control module. The light will usually flash for about 60 to 90 seconds upon starting the vehicle and then may stay on steadily. It's crucial to have this checked by a qualified mechanic, as the system may not be able to alert you to actual low-pressure situations, compromising safety. Do not ignore a flashing TPMS light.