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Home >> Chrysler >> 2002 >> Prowler >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Diagnostic Procedures >> System Description And Functional Operation >> Low Tire Pressure Warning System (LTPW) >> Low Tire Pressure Warning Module >> Battery

Low Tire Pressure Warning Module: Battery

The three volt Lithium battery is used to power up the Integrated Circuit (IC) board in the Tire Pressure/Sensor Transmitter unit. The battery is only used above 33 km/h (20 mph) to improve its useful service life. The transmitters are capable of notifying the LTPW module when a battery is low. Upon receiving a low battery message, the LTPW module will track the status of the battery for 3 consecutive ignition cycles. (An ignition cycle is defined as: ignition on, and left on for at least 15 minutes, and vehicle speed above approximately 33 km/h (20 MPH) long enough for the LTPW module to receive a transmission from each transmitter.) If the battery is still low after 3 consecutive ignition cycles, the LTPW Module will set a Diagnostic Trouble Code (DTC). The battery is a non-serviceable part and must be replaced with a complete Tire Pressure Sensor/Transmitter unit. The new tire pressure sensor/transmitter must be programmed using the DRBIII®.

NOTE: Tire pressure sensor/transmitter replacement involves removal of the tire from the wheel. Service procedures can be found in TIRES/WHEELS .
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