Connect Your Scanner or App
Use an OBD2 scanner (handheld device) or an ELM327 Bluetooth adapter paired with a smartphone app (such as Torque Pro, OBD Fusion, or similar).
Retrieve Codes (DTCs)
Retrieve the diagnostic trouble codes (DTCs) from your vehicle's onboard computer system to identify potential issues accurately.
Enter the Code in the Assistant
Enter the error code into Auto Diagnostic Pro. You can also describe any symptoms your vehicle is experiencing for a more comprehensive diagnosis.
Review the Diagnosis
The assistant will provide a detailed explanation of the code, likely causes, potential issue assessments, and a probability evaluation for each.
Follow Repair Recommendations
Get step-by-step repair instructions, tool and part recommendations, expert guidance, and cost estimates for both DIY and professional repairs.
AI-Powered Guidance
Combines ChatGPT-4 intelligence with expertise for diagnostic support.
Multi-Modal Analysis
Text, image, and data analysis capabilities all integrated into one powerful platform.
Research Integration
Live web research for current repair procedures and up-to-date automotive information.
Tool Agnostic
Works with any OBD-II tool – not tied to specific hardware, giving you complete freedom.
Flexible Pricing
Multiple payment options and usage tiers to fit any budget and commitment level.
ELM327 Bluetooth Adapters
These affordable adapters connect to your vehicle's OBD2 port and transmit data to your smartphone or tablet via Bluetooth.
- Compatible with Android and iOS devices
- Works with most vehicles from 1996 onwards
- Typical price range: $10-30
Handheld OBD2 Scanners
Standalone devices that connect to your vehicle's OBD2 port and display diagnostic information directly on their screen.
- No smartphone required
- Various models with different feature sets
- Typical price range: $30-150
Recommended Apps
These smartphone apps work with ELM327 adapters to retrieve and display diagnostic information.
- Torque Pro (Android)
- OBD Auto Doctor (iOS/Android)
- Car Scanner (iOS/Android)