This content was compiled automatically and has not yet been reviewed by a technician. For reference only.
For reference only. Always confirm part numbers and procedures for your specific vehicle.
Keys and security
2025 SEAL does not respond to an NFC card: distinguish card, key fob and phone digital key
Australian MY25 SEAL lists key fobs, NFC cards and phone digital keys. Compare each entry method before diagnosing a reader or door lock.
An NFC card fails to open an Australian 2025 model-year SEAL in the car park, prompting an immediate reader order. For Dynamic, Premium and Performance, first distinguish the responses of the card, key fob and phone digital key. This gives repair and procurement a more accurate description.
The factory lists three access methods; record them separately
BYD Australia's equipment table lists a key fob, NFC card and BYD digital key through a phone app for these three trims. Brand dealer records support the corresponding MY25 identities.[Factory equipment table][U02] [MY25 version record][U03]
At vehicle reception, record whether the NFC card previously worked, how the key fob responds and whether the phone digital key previously worked on that device. Failure of one method initially establishes a symptom to investigate in that path. It does not directly identify the door lock, reader or a shared module as the cause.
Having the app does not complete the phone digital-key checks
The factory information requires checking supported devices in the BYD APP or under Vehicle Settings/Digital Key in the vehicle.[Factory device support information][U02] The same phone brand, an installed app or successful account login cannot individually prove that the device meets all digital-key conditions.
For a phone issue, first retain its specific model, system details and displayed messages, then verify against manufacturer support information. Do not combine an unresponsive card and a phone that has not met function requirements into a single “vehicle key failure”.
Locate the abnormal access method before identifying parts
Useful repair history includes card, key or phone changes, any door repair before the issue and whether each access method previously worked. This distinguishes a new device that has never worked from a previously functioning method that later failed.
Procurement should likewise distinguish checking a card or key from a diagnosis already pointing to a vehicle-side component. All three functions may support vehicle entry or starting-related operations, but this does not establish identical internal readers, communication or lock components, or separate availability of each item.
Scope and verification
This article covers only Australian MY25 SEAL Dynamic, Premium and Performance, excluding other markets and model years. Listing a phone digital key does not promise compatibility with every phone or establish that the phone and NFC card necessarily use the same protocol or reader.
No public data was available in the reviewed material for vehicle reader locations and quantities, internal supply structure, phone digital-key protocols, the complete device list, pairing and authorisation procedures, diagnosis and replacement criteria, OE numbers, separate parts availability or interchangeability. [To be verified] Verify parts compatibility or interchangeability using the VIN and local Australian manufacturer parts catalogue; verify device support against the manufacturer's current list.
For key or vehicle-side reader component identification, use the parts enquiry page.
[U02]: https://bydautomotive.com.au/brochures/BYD-SEAL-2025.pdf
[U03]: https://bydhomebush.com.au/shop