ANCEL HD431 Truck Diagnostic Scanner | Core Function Overview

Professional DPF Regen for Detroit & Paccar | Lifetime Free Updates (Save $1000+ Annually) | Wide Compatibility for US Trucks

  • Core Function: DPF Forced Regeneration, Reset & Replacement – Specifically for Detroit & Paccar engines. Skip $200-300 dealership emergency regen fees every time and avoid costly downtime.
  • Diagnostic Capability: Full HDOBD/OBD2 diagnosis for 12V & 24V trucks (Cummins, Caterpillar, Paccar, Detroit) – Read/erase codes, check live data, and avoid unnecessary repair shop bills (save $150-400 per diagnostic visit).
  • Key Advantage: Lifetime Free Software Updates – No subscription fees (unlike other tools that charge $100-300/year). Save $1000+ over 5 years vs. comparable diagnostic scanners.
  • Compatibility: 6&9pin truck connectors + 16pin OBD2 – Works with most US trucks (no need to buy extra adapters, save $50-100 on additional parts).
  • User-Friendly: 4.3-inch HD screen + 8G memory – Easy one-hand operation, 24/7 technical support (avoid costly service calls, save time and money).
About this item
  • Why Choose HD431: Compared to other truck scanners on the market, with unique advantages, HD431 supports DPF functions for Paccar and Detroit engines, and offers lifetime free updates for software and versions, saving truck drivers hundreds of dollars in repairs. Moreover, with 6&9pin, 16pin diverse connectors, HD431 is highly compatible with American trucks. Equipped with a 4.3-inch HD screen and 8G memory, its user-friendly hardware design makes it more convenient for truck drivers to use and maintain their trucks
  • DPF Regen For Detroit & Paccar: HD431 truck scanner supports forced regen, replacement, and reset for Detroit & Paccar. For truck owners, it's necessary to perform DPF regeneration regularly. It will be helpful to extend service life and reduce maintenance costs for your truck, avoiding costs of $200-300 and a few hours for a forced regeneration in an emergency shutdown
  • Lifetime Free Update: HD431 stands out with its commitment to offering Lifetime free updates, a feature rarely seen in comparable products in the market. Typically, other costly truck diagnostic tools offer free updates for a period of one year or even less, leaving customers to shoulder hefty subscription fees or update costs amounting to hundreds of dollars annually to access their original special functions. In contrast, HD431 eliminates such update expenses and boasts ongoing plans to refine vehicle diagnostic capabilities and introduce new functions, thereby enabling customers to save significantly
  • All HDOBD/OBD2 Diagnosis: HD431 supports all 12V and 24V trucks that comes with Cummins, Caterpillar, Paccar, Detroit engine. HD431 can read and erase trouble codes, determine the MIL (For Truck engines) and I/M Readiness, Live Data, freeze Frame, Oxygen Sensor Test, On-Board Monitor,etc. Furthermore, the built-in DTC lookup library can search for definitions of relevant codes, assisting you in determining whether your vehicle requires maintenance or repairs
  • Wide Compatibility: Equipped with 6&9pin truck connectors and 16pin OBD standard connectors, HD431 suitable for various U.S. trucks and vehicles with different interfaces. In the menu interface, fast Scan and complete Scan (scan all protocols) can cover all the needs of truck drivers. The supported protocols include SAE J1939, SAE J1708, SAE J1850 PWM, SAE J1850 VPW, ISO 14230-4, ISO 9141-2, ISO 15765-4, and ISO 27145-4, etc
  • Professional Technical Support: Experience unparalleled assistance from ANCEL's expert team with our diagnostic scan tools. The "Feedback" function streamlines the process of sending diagnostic reports or encountered issues for professional consultation. We offer round-the-clock services 24/7/365, complemented by a 1-year brand warranty, lifelong free updates, and technical support. Additionally, we provide hassle-free return and exchange policies for your convenience
Important Usage Notes
  • 1. OBD Protocol vs. Proprietary Protocols: This product only supports standard OBD protocols and does not support proprietary protocols from specific manufacturers.
  • 2. Product Functionality: This scanner is designed specifically for DPF regeneration on Detroit and PACCAR engines. It is not a general-purpose diagnostic tool for all vehicles, so advanced functions outside of these engines are not supported.
  • 3. DPF Regeneration Failure Causes: Regeneration may fail due to factors like engine trouble codes, incorrect temperature, or vehicle conditions. Ensure the engine meets the necessary conditions before attempting regeneration.
  • 4. Intended Users: This product is ideal for users needing DPF regeneration on specific engines. For broader diagnostic needs, a more advanced tool may be required.
Other Advantages
  • Convenient buttons, comfortable grip, and equipped with a 4.3-inch HD screen make it easy for the user to operate with one hand.
  • Users can send problems to us via feedback function. Our professional after-sales team will help you solve the problem perfectly!
  • HD431 is fit for trucks equipped with engines from Paccar, Detroit, Cummins, Caterpillar, etc. Therefore, it is fit for a wide range of truck users
  • As a gift option, one of the most important things truckers need is a suitable truck diagnostic tool, and HD431 is exactly what they are looking for
Packaging & Package Contents
  • 1x HD431 Main Diagnostic Unit
  • 1x 6&9 Pin Truck Diagnostic Cable
  • 1x 16 Pin OBD2 Diagnostic Cable
  • 1x USB Data Cable
  • 1x User Manual (English)
  • 1x Protective Storage Box
Frequently Asked Questions (FAQ)
Q: Will this tool work on my truck?
A: HD431 works on most 12V & 24V US trucks with Detroit, Paccar, Cummins, Caterpillar engines, and supports standard J1939/J1708 protocols.
Q: Does it really do DPF regen for Detroit & Paccar?
A: Yes. It supports forced DPF regeneration, DPF reset and replacement for Detroit and Paccar engines.
Q: Are updates really free forever?
A: Yes. HD431 comes with lifetime free software updates with no extra fees or subscriptions.
Q: Can it read codes for all truck systems?
A: It supports full HDOBD/OBD2 engine diagnostics, but not proprietary manufacturer systems or full-body control modules.
Q: What connectors are included?
A: It comes with 6&9 pin truck connector and 16 pin OBD2 connector for wide compatibility.
Q: What should I do if DPF regen fails?
A: Make sure no active engine codes, engine at proper temperature, and vehicle in correct working condition. Update to latest software if needed.


On Nov 1, 2026 at 21:27:20 PST, seller added the following information:

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