BDFHYK 315MHz TPMS Sensor for Subaru Crosstrek 2013-2017, Forester 2008-2018, Impreza 2008-2016, WRX 2010-2019, Legacy 2008-2017, Outback 2008-2017, Tribeca 2008-2014, XV Crosstrek 2013-2015

Q: How do I confirm this TPMS sensor fits my Subaru?
A: Match the listed Subaru application, 315MHz frequency, OE/interchange number, direct TPMS type, valve stem style, and relearn procedure before ordering.

Q: What frequency does this tire pressure sensor use?
A: This sensor is for compatible Subaru vehicles that use a 315MHz direct TPMS system. It should not be used on a 433MHz application.

Q: Which OE numbers should I compare before ordering?
A: Compare 28103AG00A, 28103AJ00A, 28103AG01C, and 28103AG01B with the original sensor or parts reference.

Q: Does this sensor fit Subaru Crosstrek, Forester, Impreza, WRX, Legacy, Outback or Tribeca?
A: It is listed for selected Subaru applications shown in the fitment table. Confirm the year, OE number, 315MHz frequency, and relearn method before ordering.

Q: Is this listing for one sensor or a set?
A: This product includes selectable 4PCS and 1PC options. Check the selected quantity before checkout.

Q: Do I need to replace all four TPMS sensors at once?
A: You can replace one failed sensor if only one wheel sensor is faulty. Many owners replace all four when sensors are the same age, batteries are weak, or tires are already being serviced.

Q: Does this sensor need programming?
A: Blank-sensor programming is not required for this application direction. Sensor activation and the vehicle relearn procedure may still be required after installation.

Q: Why is the TPMS light still on after replacing the sensor?
A: The relearn procedure may not be complete, tire pressure may still be incorrect, the OE reference or frequency may not match, or another TPMS component may have a fault.

Q: What does a flashing TPMS light usually mean?
A: A flashing TPMS light can indicate sensor communication trouble, weak sensor battery, relearn failure, or a receiver issue. Check tire pressure first, then scan or relearn the system.

Q: Can this sensor fix a missing tire pressure reading?
A: It can help when the missing reading is caused by a failed or non-communicating wheel sensor. Fitment, activation, relearn completion, and receiver condition should also be checked.

Q: Can I install this sensor without removing the tire?
A: Most direct TPMS sensors mount inside the wheel at the valve stem, so tire dismounting and wheel balancing are usually required.

Q: Do I need a TPMS scan tool?
A: Many vehicles require a TPMS activation tool, scan tool, or OE relearn steps after installation. Check the service procedure before installing the sensor.

Q: Is this an original equipment sensor?
A: No. This is a BDFHYK OE-style aftermarket replacement TPMS sensor. Use the OE numbers and fitment details to confirm compatibility before ordering.