CarSense
Your check engine light, decoded. AI-powered OBD2 diagnostics for any car — pairs with any Bluetooth adapter and turns cryptic trouble codes into plain-English explanations.
Overview
CarSense is an iOS app that connects to your vehicle's OBD2 port via a Bluetooth Low Energy adapter, reads diagnostic trouble codes and live sensor data, and uses AI to explain what's wrong in plain English — including severity, repair cost estimates, and any matching NHTSA Technical Service Bulletins for your make, model, and year.
Built for drivers who want straight answers, not mechanic jargon or hand-wavy “check engine” advice.
Features
- § 01AI Diagnoses, Not Code Lookups
Generic OBD2 apps show a textbook definition for codes like P0420. CarSense explains what's likely happening on your exact make, model, and year — including documented quirks and known issues.
- § 02Honest Cost Estimates
Every diagnosis includes a realistic repair cost range based on industry data, broken down by likely cause. No more walking into a shop blind.
- § 03Severity That Means Something
Clear Safe / Monitor / Urgent / Critical rating with driveability advice. Know whether you need to pull over or whether it can wait until next service.
- § 04Manufacturer Service Bulletins
When the NHTSA has a documented Technical Service Bulletin matching your code and vehicle, CarSense surfaces it — the same fix the dealership would reference.
- § 05Any Standard OBD2 Adapter
Bring your own Bluetooth OBD2 adapter — no proprietary hardware lock-in. Works with Veepeak OBDCheck BLE+, Vgate iCar Pro, and most ELM327-compatible BLE adapters.
- § 06Pre-Purchase Scan
Buying a used car? Run a full pre-purchase scan and get a buy / caution / walk-away verdict, with negotiation points based on what's actually wrong.
How it works
- Step 01Plug in the adapter
Plug a Bluetooth OBD2 adapter into your vehicle's OBD2 port. Turn the ignition to Run so the adapter powers on.
- Step 02Scan codes
Open CarSense. The app auto-discovers nearby BLE adapters. Select your vehicle and tap Scan Codes.
- Step 03Get the AI diagnosis
Plain-English explanation tailored to your year/make/model — likely causes, severity, cost range, DIY-friendliness.
- Step 04Decide
Drive on, fix it yourself, or find a verified shop nearby. CarSense surfaces quotes from local mechanics for the exact repair.
Frequently Asked
CarSense is an iOS app that connects to your vehicle's OBD2 port via a Bluetooth Low Energy adapter, reads diagnostic trouble codes (DTCs) and live sensor data, and uses AI to explain what's wrong in plain English — including severity, cost estimates, and any matching NHTSA Technical Service Bulletins for your make/model/year.
No proprietary hardware lock-in. Any standard Bluetooth Low Energy ELM327-compatible OBD2 adapter works. Tested with popular dongles like the Veepeak OBDCheck BLE+ and Vgate iCar Pro.
Free OBD2 apps generally show you a generic textbook definition of the code (e.g., P0420 = catalyst efficiency below threshold). CarSense uses AI plus a curated repair-data corpus to explain what's likely happening on your specific year/make/model, give a severity rating, estimate the realistic cost range, and surface any matching manufacturer Technical Service Bulletins.
CarSense launched on the iOS App Store on 2026-06-02. Available worldwide.
Yes. The Android build is feature-complete in development; Google Play submission is in progress after the iOS launch.
Free tier is unlimited OBD2 code reading + live dashboard + 1 AI diagnosis per month. Pro ($5.99/month or $49.99/year — 30% savings on annual) unlocks 10 AI diagnoses per month, symptom chat (50 messages/mo), voice diagnostic explanations, and 2 pre-purchase used-car scans per month.
Pricing
- OBD2 code reading + descriptions
- Live vehicle dashboard
- Diagnosis history
- 1 AI diagnosis / month
- 10 AI diagnoses / month
- Symptom chat (50 messages / mo)
- Voice diagnostic explanations
- 2 pre-purchase scans / mo
- Everything in Free
Save 30% — equivalent to $4.16/mo
- Everything in Pro Monthly
- Best long-term value
Ready to decode your check engine light?
CarSense is live on the iOS App Store. Free to download — pair with any Bluetooth OBD2 adapter and run your first AI diagnosis in under a minute.