Delphi Cars -amp- Trucks 2021.10b Update 2022 Firmware 3201 - Mhh May 2026

Delphi is a well-known company in the automotive industry, providing diagnostic solutions for vehicles. Their software, Delphi Cars & Trucks, is used for diagnostics, troubleshooting, and repair of various vehicles. The 2021.10b update with 2022 firmware 3201 is a recent release, and we'll dive into what it offers.

October 2023 (based on MHH thread consensus). Next expected release: Rumors of firmware 3300 with native DOIP (Diagnostics over IP) support are circulating, but for now, 3201 is the gold standard. Delphi is a well-known company in the automotive

, enabling a full automatic system scan that identifies fault codes across all vehicle modules in one go. Modernized Interface October 2023 (based on MHH thread consensus)

Proper configuration is essential for the software to recognize your hardware interface. : Run the "Delphi 2021.10b Cars & Trucks.exe" setup file. but for now

Overview This package contains the Delphi Cars & Trucks diagnostic database version 2021.10b, updated with the 2022 firmware release 3201. It is intended for authorized diagnostic technicians and service centers using Delphi diagnostic platforms compatible with the MHH (Master Hardware Hub) interface. The update improves vehicle coverage, ECU lists, parameter mappings, service functions, and adds bug fixes and stability improvements.