No relearn required

Servicing the Wrangler's TPMS is a simple affair

By: Information provided by Mitchell 1

SUBJECT VEHICLE: 2007-09 Jeep Wrangler.

SENSOR IN TIRE? No (sensors are mounted wheels).

RESET PROCEDURE? No.

SPECIAL TOOL NEEDED? No.

The Jeep Wrangler’s tire pressure monitoring system (TPMS) uses radio and sensor technology to monitor air pressure levels. Sensors are mounted to each wheel as part of the valve stem and broadcast tire pressure data to a central receiver circuit inside the Wireless Control Module (WCM). If a low pressure condition exists, the WCM will send a request to illuminate the low pressure warning light and to sound a chime.

The sensors lay dormant in Park Mode when the vehicle is not in motion. When the Wrangler starts moving and reaches speeds of more than 15 mph, the sensor begins sending data. Follow these steps to remove an old sensor and replace it with a new one:

1. Remove the tire and wheel assembly.

2. Demount the tire from the wheel following the tire changer manufacturer’s specifications. When breaking the bead loose from the wheel, do not use the bead breaker in the area of the sensor.

3. Using a thin-walled socket, remove the special nut retaining the sensor to the wheel. While doing this, hold the pressure against the rear of the metal valve stem to keep the valve stem from pushing backwards, which could damage the antenna strap.

4. Remove the sensor.

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Related Topics: Jeep Wrangler, TPMS

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