JLR TCU L8B2-70718-DAA Telematics Control Unit

The Telematics Control Unit manages connected services including emergency SOS calls, InControl remote features, and vehicle tracking.

• Emergency Call System
• InControl App Features
• GPS & Vehicle Tracking
• WiFi Hotspot

The L8B2-70718-DAA is a genuine Jaguar Land Rover (JLR) OEM Telematics Control Unit (TCU) for 2022+ L-series premium SUVs. It powers the InControl connected‑car ecosystem, integrating 4G LTE, GPS, GSM, CAN‑BUS, and embedded eSIM to enable remote control, emergency services, vehicle tracking, and infotainment connectivity. Built with a backup battery for crash‑power continuity and IP6X‑rated automotive durability.

Core Functions

• InControl Remote Connectivity: Remote lock/unlock, climate pre‑conditioning, vehicle status (fuel, battery, mileage), and find‑my‑car via smartphone app.
• 4G LTE & Wi‑Fi Hotspot: In‑vehicle internet access and OTA software updates.
• eCall (Emergency Call): Automatic SOS with GPS location when airbags deploy; direct emergency services voice connection.
• bCall (Breakdown Assistance): One‑touch roadside assistance via overhead console button.
• Stolen Vehicle Tracking: Real‑time GPS tracking and immobilization support.
• CAN‑BUS Integration: Full communication with BCM, infotainment, and powertrain ECUs.
• Embedded eSIM: Non‑removable SIM for always‑on connectivity; backup battery for power‑loss resilience.
• Diagnostic Telemetry: Remote vehicle health monitoring and fault code reporting.

Supported Vehicle List (2022–2025 JLR L‑Series)

• Land Rover:
  Range Rover (L460) – 2022+
  Range Rover Sport (L461) – 2023+
  Defender 110/90 (L663) – 2023+ (InControl‑equipped)
  Discovery 5 (L462) – 2023+
• Jaguar:
  F‑PACE (X761) – 2023+
  I‑PACE (X590) – 2023+ (TCU variant)