Cortex OBD2 Diagnostic Scanner

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Content rating
Everyone
10+
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Content rating
Everyone
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About this app

Turn your smartphone into an advanced automotive scanner and diagnostic powerhouse with Cortex OBD2 Diagnostic Scanner. Designed for car enthusiasts, daily drivers, and DIY mechanics, Cortex connects wirelessly via Bluetooth to your vehicle’s ECU to deliver instant insights, eliminate mystery dashboard warning lights, and unlock hidden vehicle features.

WHY CORTEX OBD2?

► INSTANT OBD-II SCAN & CLEAR
Read and reset Diagnostic Trouble Codes (DTCs) across Engine, Transmission, ABS, and Body modules. Clear that Check Engine light with a single tap.

► AI-POWERED FAULT DOCTOR
Don't just read raw error codes—understand them. Our built-in AI diagnostics analyzes freeze-frame snapshots, breaks down root causes with percentage confidence, and provides step-by-step DIY repair guides.

► ONE-CLICK VEHICLE CODING & CUSTOMIZATION
Unlock hidden manufacturer features on supported VAG (Volkswagen, Audi, SEAT, Škoda), BMW, Ford, and Mercedes vehicles:
• Needle sweep / gauge staging on ignition
• Automatic mirror folding on lock
• Acoustic alarm chirp confirmation
• Daytime running light customizations
• Digital lap timer & performance displays

► ADVANCED TRANSMISSION (DCT / DSG) ADAPTATION & SENSORS
Perform basic settings and clutch adaptation on automated manual transmissions (DSG, Powershift, EDC) or monitor live clutch switch and neutral sensors on manual gearboxes.

► FUEL TRIM & COMMON RAIL LIVE ANALYZER
Inspect real-time air-fuel ratio (AFR), Short-Term (STFT) and Long-Term (LTFT) fuel trim for gasoline engines, or track Common Rail pressure (Bar) and Wideband Lambda on modern diesel engines.

► REAL-TIME RACING TELEMETRY & DIGITAL GAUGES
Monitor live sensor data streaming at high refresh rates:
• Precision digital RPM tachometer with redline indicator
• Vehicle speed, engine coolant and battery voltage
• High-speed sensor waveforms & dynamic charting

► 100% AD-FREE & TRANSPARENT PRICING
Enjoy a completely distraction-free cockpit experience. Cortex is 100% AD-FREE on both Free and PRO tiers. Zero banner ads, zero video interruptions, and NO annoying in-app credit/token systems. Everything in PRO is all-inclusive and unlimited.

► DIRECT IN-APP SUPPORT & FEEDBACK
Have a question, device compatibility request, or feature idea? Send one-tap diagnostic messages directly to the engineering team with automated vehicle telemetry attached.

► UNIVERSAL ADAPTER FREEDOM
No need for expensive, locked proprietary hardware. Cortex connects seamlessly to all standard Bluetooth Low Energy (BLE 4.0+) and classic Bluetooth OBD2 dongles worldwide, including:
• Vgate iCar Pro / vLinker
• Veepeak OBDCheck BLE
• OBDLink CX / MX+
• Standard ELM327 BLE adapters

Download Cortex OBD2 Diagnostic Scanner today and take complete control of your vehicle's performance, health, and diagnostics!
OBD2 car scanner, AI engine diagnostics, ECU coding & live telemetry gauges.
Updated on
Sep 1, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Financial info and App info and performance
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

What's New in v2.0.1:
• Enhanced bottom-sheet vehicle picker
• Brand new full-bleed clean app icon
• Multi-language & UI performance updates
• Faster ECU diagnostics & live telemetry
• General stability & connection fixes