Which of the following is a typical warning you might receive from a tire pressure monitoring system?

• A. High engine oil temperature
• B. Underinflation alert
• C. Cabin altitude warning
• D. High hydraulic pressure

Answer: (B)

A tire pressure monitoring system is designed to alert you to unsafe tire conditions, with the most common warning being an underinflation alert. When a tire’s pressure drops below the system’s threshold, the TPMS triggers a warning to prompt you to check and restore proper inflation. Keeping tires at the correct pressure is crucial because low pressure causes increased heat buildup, faster uneven wear, poorer handling, reduced fuel efficiency, and a higher risk of tire failure, especially during cornering or at high speeds.

The other warnings listed don’t come from a TPMS. High engine oil temperature relates to the engine’s cooling system, cabin altitude warning is about the aircraft’s pressurization system, and high hydraulic pressure concerns the aircraft’s hydraulic systems. They are governed by different monitoring systems and wouldn’t be the typical TPMS alert.