Plug in the DiagSage reader, scan the QR code with your phone, and get an AI diagnostic report in plain language — what's wrong, why, how to fix it, and what it should cost.
Hardware that reads the car. Software that explains it. Coverage that fits almost anything on the road.
A pocket-sized OBD-II reader that shows a QR code the moment it finishes scanning.
View specs →Plain-language explanations, ranked causes, fixes and a realistic repair-cost range — in 8 languages.
See a live report →917 brands and 6,400+ models. The VIN is decoded automatically — brand and year lock in on scan.
Check your car →No more "P0171" with no context. You get what it means, the likely causes ranked by probability, and what to do next.
Know the ballpark before you walk into a shop.
English, Deutsch, Français, Español, Italiano, Português, 日本語, 中文.
Customers scan a QR code and the report opens in their phone browser.
The VIN is decoded automatically — brand and year are locked in the moment they scan.
Serious faults are flagged red with a clear stop-driving warning.
Only one of them tells you what's going on before it costs you money.
| Basic code reader | Dealership / shop | DiagSage | |
|---|---|---|---|
| What you get | A code, e.g. "P0171" | A diagnosis + a bill | A plain-language report, free |
| Explains what it means | ✗ | ✓ but you pay for it | ✓ |
| Cost estimate before you commit | ✗ | ✗ you're already committed | ✓ |
| App to install | Usually yes | — | None — scan and read |
| Languages | Mostly English | Local | 8, auto-detected |
| Time | 5–10 min + googling | Half a day | ~30 seconds |
⚠ Placeholder copy — replace with real customer reviews before launch.
"I'm not a mechanic. The report told me it was a loose gas cap before I spent a Saturday worrying about it."
"We hand these to customers with every used car. The cost estimate stops the 'is this serious?' phone calls."
"Eight languages out of the box. My Spanish and Portuguese customers finally get a report they can actually read."
No pairing, no Bluetooth menus, no account.
Into the OBD-II port under the dashboard. Present on every car sold since 1996.
The reader shows a QR code. Point your phone camera at it — no app needed.
Your vehicle, the fault codes, plain-language explanations, causes, fixes and costs.
One reader, unlimited AI reports. Works on 1996+ petrol and 2004+ diesel vehicles across North America and Europe.
| Connector | OBD-II 16-pin (standard) |
|---|---|
| Protocols | CAN, ISO 9141-2, KWP2000, J1850 VPW/PWM |
| Vehicle coverage | 1996+ (US) · 2001+ (EU petrol) · 2004+ (EU diesel) |
| Wireless | TBD — confirm Bluetooth or Wi-Fi |
| Power | From vehicle OBD port (no battery) |
| Dimensions / weight | TBD |
| Operating temp. | TBD |
| Certifications | CE / FCC / RoHS — pending |
917 brands, 6,400+ models — from Toyota to 五菱, Mercedes-Benz to 哈弗.
This is a real report from our live system — a 2019 Nissan with two fault codes. Open it on your phone; that's the actual experience.