Get Instant Answers About Your Car
Stop guessing what that check engine light means. OBDWhiz provides clear, concise, and actionable information to help you understand and fix your vehicle.
Status: Disconnected
Manual DTC Lookup
Don't have a scanner? Manually enter a Diagnostic Trouble Code (DTC) to get instant information about the issue.
How It Works
Using OBDWhiz is simple. Follow these three steps to start diagnosing your vehicle like a pro.
Connect Adapter
Plug a compatible OBD-II Bluetooth adapter into your vehicle's OBD-II port.
Pair with App
Open OBDWhiz and tap "Connect to Vehicle" to pair with your adapter via Bluetooth.
View Diagnostics
Instantly see fault codes, real-time data, and vehicle information on your screen.
Features
OBDWhiz is packed with powerful features to make car maintenance easier for everyone.
Code Reading
Read and clear Diagnostic Trouble Codes (DTCs) with ease.
Live Data
Monitor real-time sensor data from your vehicle's ECU.
Cloud Sync
Sync your diagnostic reports across multiple devices.
DIY Friendly
Get detailed code descriptions and repair advice.
PWA Support
Install on any device for a native app-like experience.
Privacy First
Your data is your own. We don't store your vehicle information.
Frequently Asked Questions
Have questions? We've got answers. Here are some of the most common questions we get.
OBD-II (On-Board Diagnostics II) is a standardized system that all cars and light trucks manufactured since 1996 are equipped with. It monitors the vehicle's key engine and emissions components. You need an OBD-II scanner to access this system and read the Diagnostic Trouble Codes (DTCs) it stores when it detects a problem.
OBDWhiz works with most ELM327-based Bluetooth Low Energy (BLE) adapters. These are widely available and affordable. We recommend looking for a reputable brand to ensure reliable connectivity and data transmission.
Yes, the core features of OBDWhiz, including reading and clearing fault codes and viewing real-time data, are completely free. We believe everyone should have access to this important information about their vehicle.
OBDWhiz is a Progressive Web App (PWA), which means it runs in your web browser. It works on any modern smartphone, tablet, or computer with a browser that supports Web Bluetooth, such as Chrome, Edge, or Opera. No app store download is required.