Skip to main content

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

This article is written for automotive diagnostic professionals, locksmiths, and tuning enthusiasts who frequent platforms like MHH Auto (MHH Auto Forum) and need technical depth.

  • Expanded vehicle coverage: Additional 2020–2022 model year vehicles across major manufacturers for both cars and light/medium trucks.
  • New ECU protocols: Added and refined support for newer CAN FD and DoIP implementations.
  • Enhanced service functions: Improved procedures for DPF regeneration, TPMS programming, key programming, injector coding, and ABS/airbag calibration.
  • Faster ECU identification: Reduced vehicle scan and ECU identification time.
  • Improved stability: Fixed multiple crash conditions and communication timeouts reported in prior firmware.
  • Secure update process: Hardened firmware update mechanism to reduce update failures and roll-back risks.

Notable Database Updates (2021.10b)

OS: Windows 10 (64-bit) is the most stable. Avoid Windows 11 builds newer than September 2022 unless using specific patches. Notable Database Updates (2021