Quick AnswerIf your TIGUAN‘s TPMS light is on, start by checking actual tire pressure with a gauge, not just looking at the tires. If pressures are correct but the warning stays on, the usual causes are a dead sensor battery, a faulty wheel sensor, or signal interference. On direct TPMS systems, sensor batteries are sealed, so the whole sensor must be replaced.
Before You Replace Anything: Read the Warning Pattern
A solid TPMS light usually means low tire pressure or a pressure difference between wheels. A light that blinks for about a minute and then stays on usually points to a system fault — a dead sensor, a missing sensor, or a receiver problem.
On some TIGUAN trims, you can check individual tire pressures in the infotainment display. If one tire shows dashes or no value, that gives you