OBD2 Scanner | OBD Auto Doctor

Turn your iPhone into a powerful OBD2 car scanner and diagnose your vehicle yourself.

Check why your Check Engine Light is on, read and clear diagnostic trouble codes, monitor live engine data, and check emissions readiness — all from your iPhone or iPad with a compatible OBD2 dongle.

CHECK YOUR CHECK ENGINE LIGHT

Don't guess what's wrong with your car. OBD Auto Doctor reads diagnostic trouble codes from your vehicle and provides detailed information to help you understand what they mean.

• Read diagnostic trouble codes (DTCs)
• Clear Check Engine Light codes
• View detailed code descriptions
• Read freeze-frame data

MONITOR YOUR CAR IN REAL TIME

See what's happening while your engine is running with live OBD2 data.

• Engine RPM and vehicle speed
• Coolant temperature
• Fuel system and fuel trim data
• Throttle position
• Intake air and engine load
• Oxygen sensor data
• And many other vehicle parameters

Create your own dashboard and choose exactly which sensors you want to monitor.

CHECK EMISSIONS READINESS

Preparing for an emissions or vehicle inspection? Check your vehicle's readiness monitors and see whether your car's emissions systems have completed their tests.

WORKS WITH OBD2 DONGLES

Connect OBD Auto Doctor to your vehicle using a compatible Bluetooth, Wi-Fi or Bluetooth Low Energy (BLE) OBD2 dongle.

Compatible dongles include many ELM327-based adapters, OBDLink, Vgate, Linker, Veepeak and other compatible OBD2 interfaces.

Please note: An OBD2 dongle is required to connect the app to your vehicle. Dongle compatibility and available features depend on your vehicle.

MORE THAN JUST A CODE READER

OBD Auto Doctor gives you access to the information your car's onboard diagnostic system makes available.

• Read vehicle information
• Monitor fuel consumption
• View and record live sensor data
• Read diagnostic trouble codes
• Clear diagnostic trouble codes
• Check emissions readiness
• View freeze-frame data
• Monitor vehicle performance

Whether you're trying to understand a Check Engine Light, preparing your car for inspection, monitoring your engine, or simply want to know more about your vehicle, OBD Auto Doctor puts professional-style OBD2 diagnostics in your pocket.

Download OBD Auto Doctor and start diagnosing your car today.

SUBSCRIPTION

OBD Auto Doctor offers optional subscriptions that unlock additional features.

Terms of Use: https://www.obdautodoctor.com/terms