What does it mean when the TPMS warning light is on?

[DeSarah]

The TPMS light is a tire pressure fault warning light, indicating that the pressure in one of the tires may be too low. Here is a related introduction to common faults in vehicle operation: Abnormal tire wear: Uneven wear on one side or a specific area of the tire surface. Possible causes include insufficient or excessive tire pressure, excessive or insufficient toe-in or camber angle, unbalanced wheels, prolonged lack of tire rotation, loose wheel hub bearings, excessive wear of steering column pins or ball joints, improper driving habits, etc. Noise from the front and rear axles or suspension. Possible causes include excessive wear or damage to moving parts of the front and rear axles or suspension, excessive bearing clearance or bearing damage, loose fastening bolts, lack of oil or damage to shock absorbers. Vehicle pulling to one side: The vehicle deviates from the direction controlled by the steering wheel while driving. Possible causes include deformation of connecting parts of the front and rear suspension or frame deformation, changes in the connection positions of the front and rear axles and suspension, misalignment of front wheel positioning, significant differences in tire pressure or wear between the two sides, etc.