LAUNCH CRP129 HD is an Android-based intelligent, networked diagnostic tool with 2-year free update that has full system basic functions that best meet the needs of the commercial vehicle DIY market, covering software for more than 50 vehicle models. It includes code reading, code clearing, version information, and data stream reading functions. CRP129 HD also has 7 special functions: DPF regeneration, urea drive, maintenance light reset, injector coding, speed limit, cylinder cut-off test, and clutch learning.