Cruisin' along

PT Crusier's TPMS does not require formal reset

By: Material supplied by Mitchell 1

Figure 1

SUBJECT VEHICLE: 2008-09 Chrysler PT Cruiser.

SENSOR IN TIRE? No (sensors are attached to each wheel through valve stem hole).

RESET PROCEDURE? No formal procedure.

SPECIAL TOOLS NEEDED? No.

The PT Cruiser’s tire pressure monitoring system (TPMS) is unusual in that it does not specify how many tires are low or where they are located.

The TPMS consists of sensors that are attached to each wheel through the valve stem mounting hole, a central receiver module (CRM) and an indicator lamp.

The CRM also can include a Remote Keyless Entry (RKE) receiver, Remote Start and the Sentry Key Immobilizer (SKIM) receiver. All receivers share a number of components.

The CRM decodes the signals sent by each tire pressure sensor. The data is used to determine if a “warning” or “fault” condition exists within the TPMS. Transmissions occur once every minute at speeds of 15 miles per hour or higher.

If the TPMS detects that pressure in any tire has fallen, the indicator lamp will illuminate. If the CRM detects a “warning” or “fault” condition when the ignition key is turned ON, it will wait 10 seconds before sending the first request to illuminate the lamp. The display module will request a chime at each ignition cycle for every “warning” or “fault” that has been detected.

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Related Topics: PT Cruiser, TPMS

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