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What Is the Speed Limiter (LIMIT) Function?

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Home › Questions & Answers › What Is the Speed Limiter (LIMIT) Function?
Intermediate Applies to: UCAN-II Pro

The LIMIT function allows you to view or adjust speed limiter and engine RPM limiter settings on supported vehicles. This is most commonly used on commercial, fleet, and work vehicles.

When You Need It

  • Setting maximum speed limits for fleet vehicles
  • Adjusting RPM limits for specific applications
  • After ECU replacement on commercial vehicles

Is My Vehicle Supported?

This function is supported on certain vehicles where the ECU permits configuration changes. Coverage varies by model and region. Verify at coverage.youcanic.com or email support@youcanic.com with your VIN.

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🛒 SHOP
  • PRODUCTS
    • UCAN-II PRO
    • UCAN-HD-A
    • Oscilloscope
    • High Capacity Jump Starter RB6000A
    • Battery & Charging System Tester
    • Adapters
    • All Products
    • Rent a Scanner
  • LEARN
    • Find by Vehicle
    • Video Library
    • Scanner Resources
    • Mechanic Fixes
    • Success Stories
    • Community Forum
    • Glossary
    • Advanced Vehicle Data by VIN
    • Share a Fix ✦
  • TOOLS
    • VIN Decoder
    • Recall Check
    • DTC Code Library
    • Parts Lookup
    • DIY Repair Savings Calculator
    • Battery Group Finder
    • Used Car Inspection Checklist
  • SUPPORT
    • FAQs
    • Product Support
    • Coverage Check
    • Track Order
    • Product Resources
    • Talk to a Mechanic
  • ABOUT
    • About Us
    • Contact Us
    • Press

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