What are the reasons for the ABS and tire pressure warning lights illuminating simultaneously?

[LeCorbin]

When both the ABS and tire pressure monitoring system warning lights illuminate, it indicates that the vehicle's braking system and steering system sensors have detected faults, triggering the corresponding warning lights. A comprehensive inspection at a 4S shop is required to determine the exact issue with the vehicle. Driving is not recommended when the ABS light is on: Because an illuminated ABS light signifies a malfunction in the vehicle's anti-lock braking system. During emergency braking, if the wheels lock up, the vehicle may skid uncontrollably, making it difficult for the driver to slow down or adjust the vehicle's trajectory, posing significant safety risks. Method to reset the tire pressure warning light: First, turn on the ignition switch, then press and hold the tire pressure monitoring reset button until you hear a "ding" sound before releasing it. The tire pressure monitoring system will then store the current normal tire pressure data, automatically clear the previous data, and finally, the dashboard warning light will turn off, completing the tire pressure reset.

[SebastianRose]

I've been driving for almost twenty years and have encountered several instances where both the ABS and tire pressure warning lights came on simultaneously. The most likely culprit is a faulty wheel speed sensor. This sensor is installed inside the wheel and is responsible for both the ABS anti-lock braking system and monitoring tire pressure. Last time my car had this issue, it turned out the right front wheel sensor was clogged with mud. Another possibility is aged wiring causing a short circuit, especially if the rubber conduit for the chassis wiring is damaged—that can be troublesome. Loose connections in the control module can also trigger dual warning lights. I remember one time during heavy rain, the lights suddenly came on while I was driving. I immediately pulled over to check the tires—they weren't flat—so I drove slowly to the repair shop. The mechanic ran a computer diagnostic, and sure enough, the sensor signal was interrupted.

[Sylvia]

After years of working in the garage, when both the ABS and tire pressure warning lights come on simultaneously, it's most likely an issue with the wheel speed sensor. This component measures wheel rotation speed and sends signals to both systems. The most common problems are magnetic sensor heads clogged with iron debris causing data errors, or wiring damaged by road debris scraping the undercarriage. Module failures are less frequent, but Volkswagen models often trigger this due to unstable power supply voltage. Last week, a car developed this issue after rain—disassembly revealed water seepage and oxidation in the connector. Advise owners to first visually check for obvious tire pressure loss; if none, drive at reduced speed and avoid hard braking. Accurate diagnosis requires reading trouble codes—don't randomly pull fuses.

[DelLandon]

Bro, I've been driving for half my life, and when these two lights come on together, it's like an alarm clock. Must be that little thing under the wheel that measures speed—probably broken. Or maybe the wires got chewed by rats or the connectors turned green with corrosion. My neighbor was hauling seafood last week, got fishy water all over the wheels, and the sensor got clogged—lights came on. Wrong tire pressure can also throw the ABS off, like running in the wrong shoes and tripping. Don’t panic if this happens—first, feel if the tires are firm, then drive slowly to the repair shop. Whatever you do, don’t hit the highway—learned that the hard way when I was younger, slammed the brakes and almost rear-ended someone.