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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 528 (Wheels & Tires) >> Diagnosis And Testing >> Tire Pressure Monitoring System (TPMS) >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2014 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Condition Possible Sources Action
NOTE: For vehicles with different front and rear tire pressures, the tire pressures must be adjusted and the tire pressure sensors must be trained following a tire rotation. Failure to train the sensors results in a false low tire pressure event, causing the Tire Pressure Monitoring System (TPMS) indicator to illuminate.
For vehicles with the same tire pressure for front and rear tires, 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.
  • The Tire Pressure Monitoring System (TPMS) warning indicator is on continuously and the 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  sensors not trained following tire rotation
  • TPMS  sensor(s)
  • The Body Control Module (BCM) cannot enter sensor training mode when using the TPMS  sensor training procedure
  • Stoplamp switch concern
  • Ignition switch concern
  • BCM 
  • The 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 
  • The TPMS  warning indicator illuminates with no DTCs present
  • Communication network concern
  • Instrument Panel Cluster (IPC)
  • 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 DTC CHARTS .
  • One or more TPMS  sensors do not train and no DTCs are present
  • TPMS  sensor(s)
  • Radio Frequency Interference (RFI)
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