Symptom Chart
WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
Failure of a tire pressure monitor system component may not cause the message center to display a system fault message or a DTC to be stored. The Symptom Chart is a starting point to begin diagnosis of these concerns.
SYMPTOM CHART
| Condition |
Possible Sources |
Action |
- Message center (if equipped) displays "CHECK TIRE PRESSURE". TPMS indicator ON continuously
|
- Air pressure not set to placard.
- Spare tire currently in use.
- TPMS module.
- TPMS sensor.
|
|
- Message center (if equipped) displays "CHECK PRESSURE" or "WARNING - TIRE VERY LOW". TPMS indicator ON continuously
|
- Air pressure not set to placard.
- Spare tire currently in use.
- TPMS module.
- TPMS sensor.
|
|
- Message center (if equipped) displays "TIRE PRESSURE MONITOR FAULT". TPMS indicator flashes
|
- TPMS module.
- All four TPMS sensors failed, missing, or incorrectly trained.
|
|
- Message center (if equipped) displays "TIRE PRESSURE SENSOR FAULT". TPMS indicator flashes
|
- TPMS sensor.
- Spare tire currently in use.
|
|
- Message center (if equipped) displays "TIRE PRESSURE MONITOR FAULT". TPMS indicator ON continuously. No communication with TPMS module
|
- Fuse(s).
- Circuitry.
- Module.
|
|
- No communication with the TPMS module
|
- Fuse(s).
- Circuitry.
- Module.
|
|
- Unable to enter self-test
|
|
|
- TPMS will not enter sensor training mode
|
- TPMS sensor.
- Message center.
- TPMS module.
- BOO switch.
- ABS/TC/IVD module.
|
|