Quick AnswerA TPMS warning light on the Marvel X almost always traces to one of four things: a genuinely low tire (cold weather or a slow puncture), a sensor with a depleted battery, a sensor that has stopped transmitting, or 433 MHz signal interference from an accessory you installed. Start with a cold pressure gauge check, then scan all four sensor IDs and battery status — if one corner is missing from live data, the problem is the sensor, not the tire.
How the Marvel X TPMS Actually Works
The MARVEL X uses a direct TPMS: four battery-powered sensors sit inside the wheels, clamped to the valve stems, and broadcast pressure, temperature, a