Craftsman is well known for producing durable automotive tools, and its OBD2 scanners are no exception. These devices are designed to be simple enough for beginners while still offering enough functionality for experienced users who want fast and accurate diagnostics.
Craftsman OBD2 Scanner
1. Craftsman CMMT77693 OBD2 Code Reader
The Craftsman CMMT77693 is the most popular Craftsman scanner for home users.
Key Features:
- Reads and clears engine codes
- Live data stream monitoring
- Freeze frame data capture
- EVAP and O2 sensor testing
- Battery and alternator checks
- Color LCD screen display
- USB software updates
- Multi-language support
- Compact handheld design
This model is best for beginners and DIY car owners who want a reliable, no-frills scanner.
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2. Autel AL319 OBD2 Scanner
Autel is a major competitor in the diagnostic tool market.
Key Features:
- Reads and clears check engine light codes
- Displays live engine data
- Built-in DTC lookup library
- Plug-and-play functionality
- Large screen display with a simple menu
- Compatible with most 1996+ vehicles
This scanner is ideal for users who want slightly more advanced features than Craftsman offers.
3. Innova 3120RS Code Reader
The Innova 3120RS is a more advanced handheld diagnostic tool.
Key Features:
- Engine, ABS, and SRS code reading
- Live data stream analysis
- Battery reset functions
- Oil light reset support
- RepairSolutions2 app compatibility
- Smog check readiness monitor
- USB update capability
This is ideal for users who want more than just engine diagnostics.
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4. FOXWELL NT301 OBD2 Scanner
FOXWELL NT301 is widely used by DIY mechanics.
Key Features:
- Reads and clears engine fault codes
- Live data graphing
- LED indicators for emissions status
- Plug-and-play operation
- Supports all OBD2 protocols
- Clear and simple interface
This scanner is known for simplicity and fast diagnostics.
5. BlueDriver Bluetooth Pro Scanner
BlueDriver is a smartphone-based scanner system.
Key Features:
- Bluetooth connection to phone
- Reads and clears engine and ABS codes
- Advanced diagnostics with repair reports
- Live data streaming
- Smog check readiness
- No subscription fees
This is ideal for users who prefer using a smartphone instead of a handheld device.
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What Is a Craftsman OBD2 Scanner?
A Craftsman OBD2 scanner is a handheld diagnostic tool used to read and clear engine trouble codes. When your “Check Engine Light” turns on, this scanner helps identify the exact issue instead of guessing.
The most popular model, the Craftsman CMMT77693, is a color LCD code reader that connects directly to the vehicle’s OBD2 port. Once plugged in, it automatically reads diagnostic trouble codes (DTCs) and displays live engine data.
It is mainly designed for:
- DIY car owners
- Home mechanics
- Basic automotive diagnostics
- Emissions testing readiness checks
Key Features of Craftsman OBD2 Scanner
The Craftsman OBD2 scanner comes with a solid feature set for its price range:
- Reads and clears diagnostic trouble codes (DTCs)
- Displays live data stream from engine sensors
- Shows freeze frame data for fault conditions
- Reads pending and permanent codes
- O2 sensor testing (vehicle dependent)
- EVAP system testing (vehicle dependent)
- On-board monitoring system checks
- Battery and alternator voltage monitoring
- Color graph display for sensor data
- USB connectivity for software updates
- Prints diagnostic data via PC connection
- Supports multiple languages (English, Spanish, French)
- Large button layout for easy navigation
- Backlit color LCD screen for visibility
These features make it especially useful for quick troubleshooting without needing professional diagnostic equipment.
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How the Craftsman OBD2 Scanner Works
Using the Craftsman scanner is simple:
- Locate your vehicle’s OBD2 port (usually under the dashboard).
- Plug in the scanner.
- Turn the ignition to ON position.
- The scanner automatically connects to the ECU.
- Read diagnostic codes or live data on the screen.
Once the codes are retrieved, you can either clear them after repairs or research the meaning to understand the issue.
Benefits of Using a Craftsman OBD2 Scanner
1. Easy for Beginners
No technical setup required. It is plug-and-play.
2. Saves Money
Instead of paying for diagnostic fees at a shop, you can identify problems at home.
3. Fast Troubleshooting
You get instant error codes and system information.
4. Portable and Durable
Craftsman tools are known for rugged build quality.
5. Useful for Emissions Testing
You can check readiness monitors before inspection.
Limitations of Craftsman OBD2 Scanner
While useful, it has some limitations:
- Does not support advanced ECU programming
- Cannot perform ABS or airbag diagnostics
- Limited to engine-related systems
- Not bidirectional (cannot control car components)
- Less advanced than professional tools like Autel or Launch scanners
Craftsman vs Other OBD2 Scanners
Craftsman scanners are best for basic diagnostics, while brands like Autel, Innova, and BlueDriver offer deeper system access.
Craftsman is:
- Simple
- Affordable
- Durable
- Limited in advanced functions
Other scanners:
- Offer ABS/SRS diagnostics
- Provide app integration
- Include more vehicle systems
- Are better for semi-professional use
Who Should Buy a Craftsman OBD2 Scanner?
A Craftsman scanner is ideal for:
- Beginners learning car diagnostics
- DIY mechanics doing basic repairs
- Vehicle owners who want to reset check engine lights
- Users who only need engine-level diagnostics
It is not suitable for:
- Professional mechanics
- Advanced ECU programming users
- ABS or transmission diagnostics needs
Final Thoughts
The Craftsman OBD2 scanner remains a solid entry-level diagnostic tool that balances simplicity, reliability, and affordability. While it lacks advanced features found in professional-grade scanners, it performs very well for everyday vehicle troubleshooting.
If your goal is to quickly identify engine issues, clear codes, and monitor basic vehicle data, Craftsman is a dependable choice. However, if you need deeper diagnostics or multi-system scanning, alternatives like Autel, Innova, or BlueDriver may be more suitable.
