LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2012 >> Mustang Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1366 (Tire Pressure Monitoring System (TPMS)) >> Diagnosis And Testing >> Tire Pressure Monitoring System (TPMS) >> Symptom Chart: Tire Pressure Monitoring System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Symptom Chart: Tire Pressure Monitoring System

WARNING: This page is about a different car, the 2017 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Condition Possible Sources Actions
A module does not respond to the scan tool Fuse
Wiring, terminals or connectors
Communication network concern
BCM
REFER to: Communications Network .
TPMS warning indicator is on continuously and the message center displays LOW TIRE PRESSURE Refer to Pinpoint Tests  GO to Pinpoint Test E 
TPMS warning indicator is on continuously and the message center does not  display LOW TIRE PRESSURE Diagnostic Trouble Codes (DTCs) present in the BCM or RTM Using a diagnostic scan tool, RETRIEVE all Diagnostic Trouble Codes (DTCs) from the BCM and the RTM.
For any BCM Diagnostic Trouble Codes (DTCs), GO to the DTC Chart: BCM.
For any RTM Diagnostic Trouble Codes (DTCs), GO to the DTC Chart: RTM.
The BCM will not enter TPMS sensor training mode Refer to Pinpoint Tests . GO to Pinpoint Test F 
The TPMS warning indicator is never or always on Communication network concern
IPC
REFER to: Instrumentation, Message Center and Warning Chimes .
One or more TPMS sensors do not train and no Diagnostic Trouble Codes (DTCs) are present Refer to Pinpoint Tests . GO to Pinpoint Test G 
The IPC displays dashes instead of actual tire pressure information TPMS sensor faulted
BCM has been flashed or reconfigured
REFER to: Tire Pressure Monitoring System (TPMS) Sensor Activation .