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Vehicles/Acura/RDX 2022–2025

3rd Gen Facelift (TC1, 2022-2025)

Acura RDX
2022–2025

Key reference: 72147-TJB-A21 (Memory 1)

Verified · record updated 24 Apr 2026

Honda HISS Latest Gen (HITAG-AES / 4A chip)Add a key · SkilledAll keys lost · Expert

Key

At a glance

Key type: Smart Key
Buttons: 4
Battery: CR2032
Cloning: Not possible
OEM part no.: 72147-TJB-A21 (Memory 1), 72147-TJB-A31 (Memory 2)

Compatible tools

Confirmed

4 working setups

- X300 Classic G3OBDSTAR
- VVDI Key Tool PlusXhorse
- MaxiIM IM608 Pro IIAutel
- Smart ProAdvanced Diagnostics

OBD port

Where to find it

Location

Under the dashboard, driver side. Directly accessible.

OBD locations for every Acura

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