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What Is the Activity Key – Gen 2?
- Jaguar F‑TYPE (2020‑2025)
- Jaguar XE (2020‑2024)
- Land Rover Range Rover (2020‑2025)
- Land Rover Defender (2020‑2025)
- Land Rover Discovery Sport (2021‑2025)
The Gen 2 key combines a 125 kHz RFID transponder, a 433 MHz (U‑BLOX) remote‑control transmitter and a near‑field inductive antenna for key‑less entry and start‑stop functions. All communications are encrypted with JLR’s proprietary AES‑256 keys, making a genuine OEM part mandatory for a reliable lock‑and‑start operation.
Technical Specifications
Radio & RFID
- RFID frequency: 125 kHz (ISO 11784/11785)
- Remote control carrier: 433.92 MHz (U‑BLOX “S2‑LF”)
- Modulation: ASK (Amplitude Shift Keying)
- Power consumption: < 20 mA (idle)
- Battery: CR2032, 3 V, 220 mAh (≈ 4 years life)
Electrical & Mechanical
- Operating Voltage: 3 V (CR2032)
- Operating Temperature: –40 °C to +85 °C
- Housing material: ABS with UV‑resistant coating
- Dimensions: 70 mm × 55 mm × 20 mm
- Connector: 2‑pin (for battery replacement only)
Compatibility (Part Numbers)
- Jaguar F‑TYPE – Part #
JPLA‑15E014‑BP - Jaguar XE – Part #
JPLA‑16F015‑BP - Land Rover Range Rover – Part #
JPLA‑17G016‑BP - Land Rover Defender – Part #
JPLA‑18H017‑BP
Programming the Activity Key – Gen 2 (TOPIx Workflow)
1️⃣ Prepare the Vehicle & Workstation
- Park on a flat surface, engage the hand‑brake and turn the ignition to “ON”.
- Connect a 70 A + battery maintainer to avoid voltage dip.
- Insert the OEM‑approved
JLR Enet Wi‑Fiadapter into the OBD‑II port. - Launch TOPIx on a laptop with internet access and log in with engineering credentials.
2️⃣ Read Existing Key Data (Optional)
- In TOPIx select Vehicle → Identify → Key Management.
- If a key is already programmed, use “Read Key Data” to back‑up the current EEPROM image (save as
KeyBackup_YYYYMMDD.bin).
3️⃣ Add the New Gen 2 Key
- Choose Key Management → Add New Key and select “Activity Key – Gen 2”.
- Place the new key on the JLR Enet Wi‑Fi antenna (the adapter has an integrated NFC field).
- Press the “Learn” button on the vehicle’s driver‑door lock (usually hidden behind a trim piece) for 5 seconds – the vehicle will enter “Key Learning Mode”.
- TOPIx will automatically download the encrypted transponder data, write it to the vehicle’s BCM, and store the public key in the CCF.
- When the process finishes, the UI shows a green tick and the key ID (e.g.,
KEY‑01‑GEN2‑2024).
4️⃣ Verify & Test
- Run Key Management → Validate. TOPIx will poll the key and confirm the cryptographic handshake.
- Test the physical functions: lock/unlock, trunk release, and “Start‑Button” proximity detection.
- Clear any DTCs that may have appeared (
C0A10‑00– Key Authentication Failed) using the “Clear Fault Codes” command.
Required Tools & Materials
| Item | Specification / Part No. | Where to Obtain |
|---|---|---|
| JLR Enet Wi‑Fi Adapter | APS‑D07‑001 (OEM) | jlrcoding.com → Shop → Enet Wi‑Fi Kit |
| TOPIx Engineering Access | Daily / Weekly subscription | jlrcoding.com → Services → TOPIx |
| 70 A + Battery Maintainer | 12 V, 70 A output | Any automotive supplier |
| CR2032 Battery (for key) | 3 V, 220 mAh | Retail electronics stores |
| Key‑Learning Tool (optional) | APS‑D12‑003 | jlrcoding.com → Accessories |
Frequently Asked Questions
Can I program a Gen 2 key with a generic OBD‑II scanner?
No. The Activity Key – Gen 2 uses JLR‑specific encrypted transponder data that can only be written through the TOPIx + Enet Wi‑Fi interface, which validates the AES‑256 signature.
Will the key work on all model years (2020‑2025)?
Yes, provided the vehicle’s BCM firmware supports Gen 2 (all 2020‑onward builds do). For pre‑2020 vehicles you need a Gen 1 key (part # JPLA‑14D013‑BP).
How long does the programming take?
The whole process – from connection to validation – typically takes 8‑10 minutes for an experienced technician.
Is the key covered by JLR warranty?
When installed with the correct TOPIx calibration, the key is covered under JLR’s 12‑month/12 000 km warranty. Keep the calibration checksum as proof of proper installation.
Order the Activity Key – Gen 2
Select the part that matches your vehicle’s VIN. The key ships in a sealed, anti‑static bag ready for immediate programming.
- Standard UK Shipping – £79 + VAT (2‑3 business days)
- International Express – £119 + VAT (5‑7 business days)
- Optional “Full Programming Service” – £149 + VAT (includes labour, TOPIx calibration and 12‑month warranty)
Need Assistance With Programming?
Our JLR‑qualified engineers are on‑call 24 / 7. Fill out the short form and we’ll reply within one hour.
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