September 22, 2010
Command performance
Jeep TPMS sensor re-learn is a quick process
By: Information provided by Mitchell 1
Figure 1
SUBJECT VEHICLE: 2006-09 Jeep Commander.
SENSOR IN TIRE? No (sensors are mounted to each wheel).
RESET PROCEDURE? Yes (by driving the Commander for a minimum of 10 minutes while maintaining a continuous speed of above 20 mph for 2006 models and 15 mph for 2007-09 models).
SPECIAL TOOLS NEEDED? No.
The tire pressure monitoring system (TPMS) in the 2006-09 Jeep Commander uses radio and sensor technology to monitor air pressure levels. Sensors are mounted to each wheel as part of the valve stem. Each sensor sends data to a central receiver circuit inside the Wireless Control Module (WCM). On premium models, the sensor transponders are mounted in the wheel housings.
If a warning condition exists, the WCM will send a message request to illuminate the low pressure warning light and to sound a chime.
The TPMS will stay active even if no pressure-related message has been displayed. When the Commander reaches speeds of more than 20 mph, the sensors wake and start transmitting.
Once the vehicle’s wheels stop rotating for 20 minutes, the sensors shut down. While in this state (Park Mode), the sensors still transmit data once every 13 hours.
If a system fault is found, the indicator light will flash on and off for 75 seconds, then will stay on continuously.
On some models, if one of the Commander’s tires has been replaced by a spare that is not equipped with a tire pressure sensor, the indicator light will flash for three seconds every 10 minutes.
In with the new
Before installing a new sensor, make sure it is the correct sensor.
Sensors can be identified by a black sensor body with a white outline oval insignia.
Also keep in mind that the cap used on the Commander’s valve stem contains an O-ring seal. A regular valve stem cannot be used as a substitute. Any time a sensor is installed in a wheel, a new seal and washer must be installed on the stem to ensure an airtight seal. In addition, the nut and the valve core should be replaced.
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