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What are the reasons for the tire pressure monitoring alarm in the Volkswagen T-Roc?

2 Answers

DeOwen

07/23/25 9:02pm

Volkswagen T-Roc tire pressure monitoring alarm is mainly caused by abnormal tire pressure, tire pressure monitoring not being reset, or damage to the tire pressure sensor. Abnormal tire pressure: Generally, an alarm will be triggered if the pressure is below 1.8 bar or above 3.0 bar. In this case, tire inspection and pressure adjustment are required. Tire pressure monitoring not being reset: After inflating the tires, if the tire pressure is not reset in time, the tire pressure monitoring system will still record the previous data, causing the tire pressure monitoring indicator light to turn on. In this case, simply reset the tire pressure. Damage to the tire pressure sensor: The tire pressure sensor is used to monitor tire pressure and is directly installed inside the tire, connected to the tire inflation port. If the tire is hit while driving, damaging the tire pressure sensor, it will also cause the tire pressure fault light to turn on. For sensor damage issues, only a new replacement part can be installed.

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KarterAnn

08/10/25 6:57pm

Driving my Volkswagen T-Roc, the tire pressure monitoring alarm has bothered me a few times. The most common reason is low tire pressure. For example, once when driving out on a cold day, the temperature drop caused unstable tire pressure, triggering the alarm. Upon checking the tires, I found insufficient pressure on one side, which was resolved by timely inflation. Another cause is slow leaks due to punctures or air loss, which keeps the alarm light on. The system occasionally gives false alarms, possibly due to faulty or dead sensors. For instance, last year there was repeated alarming, and a shop inspection revealed a sensor malfunction that required replacement. Another factor is improper inflation—both overinflation and underinflation can trigger the alarm. Whenever it happens, I use a portable tire pressure gauge to check and ensure safety. Ignoring it not only wastes fuel but also wears out the tires, so early action saves trouble and money. A quick glance at the tire condition before daily driving is a basic habit.

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