CarDiag AI: OBD2 Scanner

CarDiag AI turns your iPhone and an ELM327-compatible OBD adapter into a fault code reader with an AI mechanic. Read the codes, see what they mean and get a clear plan for what to check first.

HOW IT WORKS 1. Plug a Wi-Fi or Bluetooth LE adapter (for example, Vgate) into the OBD-II port and switch on the ignition. 2. Connect in the app and choose a scan: engine only (OBD-II) or all modules that answer. 3. Open the report and ask the AI mechanic what it means for your car.

FEATURES • Fault codes from every module that answers, such as engine, transmission, ABS or airbags, over OBD-II, UDS and KWP2000 • Offline meanings for 9,348 generic codes in English, German and Russian • Offline VIN decoding: make, country and, where the VIN encodes it, model year; model and engine for many European cars • AI fault analysis: likely causes, what to check yourself, what the workshop should check and whether it looks safe to drive • Chat with the AI mechanic by text or voice; it can ask the app to read more data from the car (read-only) • Claude and GPT models, from quick answers to deep analysis • Live gauges: up to three OBD values in real time • PDF reports to share with your workshop • Clear fault codes on your command, with a readback of what was really cleared • Scan history and saved AI analyses on your iPhone • My account: support ID and credit balance • Demo mode: explore the app without a car

GOOD TO KNOW CarDiag AI is not a dealer tool. Which modules answer depends on the car, its gateway and your adapter. Manufacturer-specific codes often have no public definition; when the AI interprets one, the app says so. Bluetooth Classic adapters that only show up in iPhone Settings cannot be used by iPhone apps.

PRO AND CREDITS Free: reading codes, offline meanings, scan history and demo mode. CarDiag Pro unlocks clearing codes, live gauges and PDF reports. Subscription and lifetime options are available. Try AI analysis for free. Credits for AI analysis can be purchased separately in the app.

Pro Monthly is an auto-renewable subscription. Payment is charged to your Apple Account when you confirm the purchase. The subscription renews automatically unless you cancel it at least 24 hours before the end of the current period; the renewal is charged within 24 hours before the period ends. Manage or cancel it in your Apple Account settings.

PRIVACY No sign-up, no ads, no tracking. Scan reports and completed AI analyses are saved on your iPhone. With your consent, AI features send data through our servers to Anthropic and OpenAI. Our privacy policy explains how this data is processed and stored.

SAFETY Don't use the app while driving. AI answers are for information and don't replace a qualified mechanic. Clearing codes resets the readiness monitors, so have the fault inspected first.

Terms of Use: https://racemeasureapp.com/cardiag/terms Privacy Policy: https://racemeasureapp.com/cardiag/privacy Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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