Symptom Chart

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

SYMPTOM DESCRIPTION

Condition	Possible Sources	Action
NOTE: Training the sensors is not necessary after a tire rotation. Failure of a TPMS component may not cause the message center to display a fault message or store a DTC. The Symptom Chart is a starting point to begin diagnosis of these concerns.
Tire Pressure Monitoring System (TPMS) warning indicator illuminates continuously and message center displays LOW TIRE PRESSURE	Spare tire currently in use tire pressure not set to specifications listed on the Vehicle Certification (VC) label TPMS sensor(s)	GO to PINPOINT TEST D .
Body Control Module (BCM) cannot enter sensor training mode when using the TPMS sensor training procedure	Stoplamp switch concern Ignition switch concern BCM	GO to PINPOINT TEST F .
TPMS warning indicator illuminates with DTCs present	Not all TPMS sensors are installed TPMS sensors not trained TPMS sensor(s) Intermittent TPMS operation due to Radio Frequency Interference (RFI) TPM module wiring TPM module BCM wiring BCM	GO to PINPOINT TEST G .
TPMS warning indicator illuminates with no DTCs present	Communication network concern Instrument Panel Cluster (IPC)	refer to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES to diagnose the TPMS warning indicator is always on.
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 DTC(s) retrieved. REFER to the TPM MODULE DTC CHART .
One or more TPMS sensors do not train and no DTCs are present	TPMS sensor(s) RFI	GO to PINPOINT TEST E .