Thinkcar Launches AI Vehicle Diagnostics With Euro 399 and 394

Thinkcar has introduced two AI-enabled diagnostic devices for workshops, the THINKTOOL Euro 399 and Euro 394, in the UK market. The systems use built-in AI to scan vehicles, explain fault codes in plain language and guide technicians through repairs. Both run on the Thinkcar operating system and add full-system diagnostics, coding, actuations and bi-directional control. The 399 also supports dual-vehicle diagnostics and wider coverage.

At a Glance

• Products: THINKTOOL Euro 399 (14-inch), Euro 394 (12-inch).
• Core features: AI-guided fault-finding, full-system diagnostics, coding, actuations, bi-directional control.
• Platforms: Thinkcar OS (TCOS), new UI.
• Coverage: PC, EV, CV on 394; adds HGV and enhanced EV on 399.
• Workflow: Step-by-step repair guidance, remote programming support.
• Updates: Two-year passenger-car software updates included.

AI Vehicle Diagnostics: What’s New

The Euro 399 and 394 bring AI-assisted workflows to common diagnostic tasks. The software scans whole vehicles, translates fault codes and offers step-by-step guidance for many systems. Coverage improves over time as the AI learns from aggregate user data.

Hardware and Capabilities

• OE-level diagnostics across major systems.
• Coding, actuation tests and bi-directional control.
• New TCOS platform with a redesigned interface.
• Fast-charging hardware to maximise bay utilisation.
• Euro 394: 12-inch screen for daily diagnostics.
• Euro 399: 14-inch screen, dual-vehicle diagnostics and broader vehicle coverage, including HGVs as standard.

EV and Commercial Coverage

The Euro 394 supports passenger cars, electric vehicles and commercial vehicles. The Euro 399 adds HGV coverage and enhanced EV software for deeper high-voltage diagnostics.

Software, Updates and Remote Support

Thinkcar includes two years of free software updates for passenger cars on both tools. Technicians can access a live remote programming network and remote support diagnostics delivered by trained specialists.

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“By leveraging these advanced features, workshops are empowered to stay ahead of the curve in the industry and confidently tackle the complexities of modern-day vehicle diagnostics. This commitment to AI-driven solutions ensures that we can streamline complex tasks, perform precise repairs and ultimately help technicians to reduce vehicle downtime and enhance their workshop efficiency,” said Alex Gillbanks, Owner of Thinkcar UK.

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Why It Matters for UK Workshops

• More vehicles require coding, initialisations and module replacement after repair.
• Guided diagnostics can shorten triage and reduce comebacks, especially on EVs and ADAS-equipped cars.
• Dual-vehicle support on the Euro 399 helps higher-throughput sites reduce bottlenecks.

Growing on-vehicle complexity is reshaping service menus across UK fast-fit and independent networks, with more sites adding diagnostics, ADAS calibration and EV servicing. Recent network expansions and training initiatives reflect this shift.

Related Reading

• Live ADAS calibration demonstrations returning to Automechanika Birmingham in 2025 highlight demand for practical diagnostics training.
• VR-based technician training programmes are being piloted in UK workshops, covering EV and ADAS topics.

Availability and More Information

A product overview and specifications are available from Thinkcar UK.  thinkcar.uk

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Tagged with: AI vehicle diagnostics, workshop diagnostic tools, EV diagnostics, bi-directional control, OE-level diagnostics, ADAS calibration, remote programming, UK garages, HGV diagnostics, Thinkcar UK, TCOS platform, diagnostic tablets

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