$1.83
In Stock
Genuine · New
Nissan Rogue Kicks Hyundai Venue Kia Soul Renault Duster 2016-2023 4A Transponder Chip
NXP PCF7939MA · HITAG AES, ID 4A · AES-128 · carbon wedge · Renault, Nissan, Hyundai and Kia
4A
HITAG AES
AES-128
Authentication
PCF7939MA
NXP chip
9
Listed models
⭐ The NXP PCF7939MA is the HITAG AES transponder known as 4A, with AES-128 authentication, in a carbon wedge for 4A keys on Renault, Nissan, Hyundai and Kia models from 2016 to 2023, including the Nissan Rogue and Kicks, Hyundai Venue and Kia Soul. It runs on the HITAG 2 based protocol with a 128-bit secret key and up to 460 bytes of user memory. This unit is a genuine factory chip, new, with the NXP logo and part number on its face. Locksmiths add it to the immobiliser with a key programmer that covers 4A keys on the car.
⚙️ Key features
HITAG AES, ID 4A
NXP security transponder with AES-128 authentication, the chip the trade reads as 4A.
460 bytes user memory
EEPROM for user data and a 32-bit unique ID, on a protocol based on HITAG 2.
Carbon wedge
Marked PCF7939MA with the NXP logo, sized for the chip cavity of a 4A key head.
Not the PCF7939FA
The FA version is HITAG Pro, ID49, used on Ford. This listing is the MA version, 4A.
💎 Benefits
One chip, four makes
A single part number covers 4A jobs on Renault, Nissan, Hyundai and Kia.
Chip-only repair
Replace a dead chip in the customer's key head instead of selling a complete key.
Maker's own silicon
NXP production chip, so the tool reads the transponder type it expects.
👥 Who it's for
Automotive locksmiths
Building 4A transponder keys and replacing chips on these makes.
Key shops and counter trade
Fitting a chip into a customer's existing 4A key head.
Key programming specialists
Workshops with AES coverage on their key programmer.
🚗 Compatible vehicles
Before ordering, read the original key with your tool: it must report ID 4A (HITAG AES). These makes also use ID46 and ID47 chips depending on model, year and market.
