Check the vehicle for aftermarket accessories that could compromise the RF frequency signal before diagnosing the TPM system.ĭoes the DTC reset or is the status Active for this DTC? Yes RF frequency making erratic operation to the TPM system.
Interference from other elements will over power the sensor/transmitter The DTC can be caused by many different factors and might not be a sensor/transmitter or a WCM (SKREEM) fault. Once the correct sensor/transmitter has been located continue. Repeat steps until the applicable Tire Pressure Sensor/Transmitter Once a fault/alert has set, it will establish the location of the tire pressure sensors/transmitter. You MUST locate the correct Tire Pressure Sensor/Transmitter that set the fault before continuing. Faults are linked to the sensor/transmitter IDs. If the tires have been rotated, the Tire Pressure Sensor/Transmitter are no longer in sequenceįrom the factory. The following test is to locate the Tire Pressure Sensor/Transmitter. If the TPM indicator is flashing, check for DTCs. If the TPM indicator is illuminated, check for a low tire pressure condition. Before continuing with any TPM diagnostic test, using the scan tool, check that theĬorrect Placard Values have been programmed in to the module. If the incorrect Placard Values were programmed into the WCM/SKREEM, a DTC could be set. The fault is set when the WCM (SKREEM) does not receive eight consecutive RF transmissions from the sensor/transmitter For a complete wiring diagram Refer to Section 8W.
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