Why Choose HD431: Compared to other truck scanners on the market, with unique advantages, it supports DPF functions for Paccar and Detroit engines, and offers life-time free updates for software and versions, saving truck drivers hundreds of dollars in repairs. Moreover, with 6 & 9 pin, 16 pin diverse connectors, our decvice 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 regeneration, replacement, and reset functions for Detroit and Paccar truck engines. For truck owners, it is necessary to perform DPF regeneration regularly. This will help extend the service life and reduce maintenance costs of your truck, avoiding the hundreds of dollars and several hours required for a forced regeneration in the case of an emergency shutdown. Don't waste your valuable ti