Tire Pressure Warning Light Is 25 Times Blinking And Turn On

Detecting condition: 

• Defective TPMS Control Module or TPMS & keyless entry Control Module
• Defective harness
• Transmitter is faulty.

Trouble symptom: 

Every time the engine starts, tire pressure warning light blinks 25 times and then illuminates.

Fig 1: Tire Pressure Monitor Diagnosis Flowchart (Tire Pressure Warning Light Blinking)

Courtesy of SUBARU OF AMERICA, INC.