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

: Select this if you have a Single-board PCB VCI.

: Updated coverage for passenger cars and light/heavy trucks through 2021 models. : Select this if you have a Single-board PCB VCI

The (often referred to as the 2022 firmware) is a critical component for modernizing older hardware interfaces. While the legacy 1622 firmware is stable for older vehicles, version 3201 offers specific advantages: While the legacy 1622 firmware is stable for

Furthermore, clone interfaces (blue DS150E) are not ISO-certified. Using firmware 3201 on a cheap clone may produce incorrect voltage levels, potentially damaging an ECU. With the 2022 firmware 3201, users can expect:

The 2021.10b update includes various improvements and enhancements to the Delphi Cars & Trucks system. With the 2022 firmware 3201, users can expect:

In the Delphi software, go to and perform a "Test" to verify the connection.

If you have downloaded the Delphi Cars & Trucks 2021.10b update 2022 firmware 3201 package from MHH, follow this exact procedure.