Symptom Chart: Tire Pressure Monitoring System

WARNING: This page is about a different car, the 2014 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to DIAGNOSTIC METHODS .

SYMPTOM CHART - TIRE PRESSURE MONITORING SYSTEM

Condition	Possible Sources	Actions
A module does not respond to the diagnostic scan tool	Fuse Wiring, terminals or connectors Communication network concern TPM module	REFER to COMMUNICATIONS NETWORK , Symptom Chart: Communication Network.
The TPMS warning indicator is never or always on	Communication network concern IPC	REFER to PINPOINT TEST Q
TPMS warning indicator is on continuously and the message center displays LOW TIRE PRESSURE	Spare tire currently in use sensor(s) TPMS sensor(s) Tire pressure not set to specifications listed on the VC label TPMS sensor	GO to PINPOINT TEST G
TPMS warning indicator is on continuously and DTCs are present	Not all TPMS sensors are installed TPMS sensor(s) not trained TPMS sensor(s) Intermittent TPMS operation due to RFI TPM module wiring TPM module BCM wiring BCM	GO to PINPOINT TEST F
The BCM will not enter TPMS sensor training mode	Stoplamp switch concern Ignition switch concern VSS concern BCM	GO to PINPOINT TEST H
One or more TPMS sensors do not train and DTCs are not present	TPMS sensors RFI	GO to PINPOINT TEST I
One or more TPMS sensors do not train and DTCs are present	TPMS sensor(s) Vehicle communication issue Intermittent TPMS operation due to RFI TPM module wiring TPM module BCM wiring BCM	FOLLOW the diagnostics for the DTCs retrieved. REFER to TIRE PRESSURE MONITORING SYSTEM or REFER to MULTIFUNCTION ELECTRONIC MODULES .