| Feature | Pre-Update (Legacy) | Post-Update (vDA31) | | :--- | :--- | :--- | | | 85ms latency | 32ms latency | | Bluetooth Pairing | Manual confirmation each time | Automatic seamless reconnection | | Voice Command | Basic (Climate + Radio) | Advanced (Navigation + Third-party apps) | | Over-the-Air Updates | Not supported | Delta OTA enabled (saves data) | | Dashboard Customization | 3 preset themes | 8 configurable themes with telemetry |
Go to your car's -> General -> Software Update to find your current "DCU-ID." You need to confirm your system is either 17TDT1EU-DA01 or 17TDT1EU-DA31 .
In Toyota’s nomenclature, the DCU (Display Control Unit) is the device that controls the touch‑screen audio and navigation system. The ID specifically refers to a Panasonic‑manufactured unit used mainly in European‑spec Toyota C-HR, Corolla and Hilux models. 17tdt1eu-da31 Software Update
to a specific region's Toyota portal to check for your update? [SOLVED] Carplay has suddenly started crashing :(
This article provides an exhaustive breakdown of the 17tdt1eu-da31 update—covering its purpose, step-by-step installation instructions, changelog insights, security patches, common troubleshooting issues, and answers to frequently asked questions. | Feature | Pre-Update (Legacy) | Post-Update (vDA31)
This specific infotainment system is found heavily across the following vehicles imported to or sold in European, Asian, and Middle Eastern markets: (XV70 Generations) Toyota RAV4 (5th Generation models) Toyota C-HR Toyota Corolla & Yaris
: Recent updates (such as version 1170) have been known to fix Apple CarPlay crashing issues, especially with newer iOS versions. direct link to a specific region's Toyota portal to check
: Visit the manufacturer's website (e.g., Ford's official site) and enter your vehicle's VIN (Vehicle Identification Number) to see if you're eligible for the update.
Rollback and recovery
: Specifies the underlying hardware manufacturer type (typically Panasonic). 1 / 2 : Denotes the regional audio platform configurations.
Go back to the main Settings menu and select .
