• OBD II enhanced codes (1996 and newer)
• Graph data – (1996 and newer)
• Multilingual menu and options – English, French, Spanish
• Read, record & playback live sensor data
• OBD I functionality – cables optional for ’84-’95 Ford,
  ’84-’95 GM and ’89-’95 Chrysler vehicles
• USB cable included for product updates
• Updateable via the internet
• Large, backlit, graphic LCD
• Print data via Professional Companion CD
• State OBD II check (emissions)
• OBD II drive cycle mode
• Battery powered for review of vehicle data off vehicle
• OBD II code library built into tool
• Vehicle information (includes VIN # and calibration IDs)
• O2 monitor test
• Diagnostic monitor test
  .

• Displays trouble code information and their definitions including
  OBD II enhanced coverage
• Displays MIL (Malfunction Indicator Lamp) status
• Reads, displays and erases generic, manufacturer specific and
  enhanced Diagnostic Trouble Codes (DTCs) stored in the PCM
• Displays emissions readiness status (I/M Readiness Monitors)
  Retain the most recently scanned vehicle’s data and configuration
• Displays summary recap of the vehicle’s emissions status
• Resets check engine light
  .

• CP9185 Base Tool
• OBD II Cable
• USB cable
• 8-foot extension cable
• Manual/CD
• Registration Card
  

In short this unit does everything that the U-581 unit does, plus is possible with additional cables to interface with older pre OBD-2 cars. If you are a professional mechanic or a serious DIY'r who needs access to older autos, then this is the code scanner for you.