Traffic Sign Recognition & Driver Drowsy Monitor (TSR + DDM) Activation for Land Rover & Jaguar
LR Retrofit activates Traffic Sign Recognition and Driver Drowsy Monitor on Land Rover and Jaguar vehicles. We use genuine JLR diagnostic equipment to enable both factory safety features in your vehicle’s camera and instrument cluster modules. You receive a vehicle that reads road signs automatically and alerts you when it detects signs of driver fatigue.
What This Activation Delivers
Traffic Sign Recognition uses the forward-facing camera to detect speed limits, no-overtaking zones and variable message signs. It displays the current sign directly in your instrument cluster and head-up display where fitted. Driver Drowsy Monitor analyses your steering behaviour and driving patterns to identify early signs of tiredness. It then recommends a break before fatigue becomes a risk.
- We enable Traffic Sign Recognition in the Image Processing Module.
- We activate Driver Drowsy Monitor logic in the Instrument Cluster.
- We update the Car Configuration File with the correct TSR and DDM build data.
- We configure the head-up display to show detected traffic signs where supported.
JLR Technical Process
- We read your vehicle’s Car Configuration File through the JLR DoIP diagnostic interface.
- We compare the stored driver assistance parameters with the factory As-Built data for your VIN.
- We enable Traffic Sign Recognition in the Image Processing Module.
- We activate Driver Drowsy Monitor in the Instrument Cluster and Body Control Module.
- We verify both functions with live camera data and a static display test.
Technical Detail
Traffic Sign Recognition works with the forward-facing camera and the Image Processing Module. The camera identifies speed limit signs, variable message signs and no-overtaking indicators. The Image Processing Module then sends the recognised sign to the instrument cluster for display. Driver Drowsy Monitor uses a separate algorithm that monitors steering angle, throttle input and journey duration. It detects patterns that indicate reduced alertness and triggers a coffee-break recommendation.
We decode the Car Configuration File and activate both feature sets in one diagnostic session. This method preserves the original JLR software architecture and avoids generic coding tools that can trigger warning lights or system faults. Your vehicle maintains full dealer service compatibility after the activation.
Benefits You Receive
- Real-time display of speed limits and road signs in your instrument cluster.
- Early warning when the vehicle detects signs of driver fatigue.
- Head-up display integration for safer, distraction-free sign reading.
- Factory-matched TSR and DDM operation across all driver assistance systems.
- Warning-free dashboard and clear fault memory after programming.
Why Choose LR Retrofit
- We use genuine JLR diagnostic hardware and factory-approved software.
- We maintain the complete JLR As-Built database for every supported model.
- We provide a written activation verification report.
- We support workshop appointments and remote programming where available.
Supported JLR Vehicles
We support Land Rover and Jaguar vehicles with the required forward-facing camera and instrument cluster hardware. This includes the Range Rover L405 and L460, Range Rover Sport L494 and L461, Discovery 5 L462, Defender L663, Discovery Sport L550, Range Rover Evoque L551, Range Rover Velar L560, Jaguar F-Pace X761, E-Pace X540, I-Pace X590, XE X760, XF X260 and F-Type X152. Our team confirms your vehicle’s compatibility using your VIN before booking.
What You Need Before Booking
- Your full 17-character VIN
- Current vehicle mileage
- A photo of your instrument cluster and driver assistance menu
- Your preferred appointment date or remote session time
Book Your TSR + DDM Activation
Contact LR Retrofit with your VIN for a same-day compatibility check. We confirm your vehicle’s exact camera hardware and the TSR + DDM parameters available for your model. We offer workshop appointments and remote programming where possible. Our team responds within one business hour.




