F 150 4WD V8-5.4L Flex Fuel (2008)
Low Tire Pressure Indicator: Testing and Inspection
Tire Pressure Monitoring System (TPMS) Indicator Flashes
Tire Pressure Monitoring System (TPMS) Indicator Flashes
The TPMS indicator flashes for 70 seconds and then remains ON solid when the ignition key is turned to the ON position for the following conditions:
1. Tire Pressure Sensor Fault - If equipped, the message center will display TIRE SENSOR FAULT when a tire pressure sensor is malfunctioning.
GO to Symptom Chart. See: Testing and Inspection/Symptom Related Diagnostic Procedures
2. No communication with the VSM (TPMS is integral to the VSM) - The TPMS indicator is illuminated when the instrument cluster has received no
signals from the VSM for more than 5 seconds. If equipped, the message center displays TIRE MONITOR FAULT. GO to Symptom Chart. See:
Testing and Inspection/Symptom Related Diagnostic Procedures
3. Tire Pressure Monitor Fault - If equipped, the message center will display TIRE MONITOR FAULT when the tire pressure monitoring system is
malfunctioning or communication with the instrument cluster has been lost. GO to Symptom Chart. See: Testing and Inspection/Symptom Related
Diagnostic Procedures
