Decode every warning. Understand every fault code. Get dealership-level diagnostics — completely free, instantly, in plain English.
Describe your Tesla's issue in plain English. Our AI thinks like a master Tesla technician and walks you through exactly what's happening and what to do.
Enter any Tesla fault code for an instant plain-English explanation, severity rating, and clear recommended action — no technical knowledge required.
Connect your Tesla via the official API for a full health report — battery status, active faults, charging health, and thermal system data in seconds.
Diagnostic visits cost $150–$300. VoltDoc gives you the same answers instantly and free — so you only visit the dealer when you truly need to.
AI-powered Tesla diagnostics — free, instant, plain English
Enter any Tesla fault code for an instant plain-English explanation
COMMON CODES
Connect your Tesla account for a full diagnostic — battery health, active faults, charging and thermal system data.
Full Tesla API integration coming soon. Demo shows sample data.
Model Y Long Range · Demo Data
SYSTEM STATUS
Your Claude API key powers VoltDoc's AI. Stored only in your browser — never on our servers.
SECURITY
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