Launch the newly installed Autocom shortcut from your desktop.

The C4b patch improves firmware stability. It prevents hardware lockups during long coding procedures. It works better with both single-board and dual-board clones. Hardware Requirements

The update includes a more comprehensive and extended database, ensuring better coverage for newer vehicle models (up to 2021 and some early 2022) and improved interaction with older models.

Automatically identifies and selects the correct type of controller mounted in the vehicle to ensure diagnostic accuracy.

: Even dealerships can benefit from the Delphi Autocom 2021.11 C4b, especially for makes and models that are not fully supported by their standard diagnostic tools.

While many scanners claim to handle trucks, Autocom 2021.11 excels with genuine OEM-level diagnostics for:

The remains a legend in the diagnostic world. It represents a high-water mark before the industry moved fully to SaaS (Software as a Service). For the mechanic who repairs older European trucks, construction equipment, and mixed passenger fleets, this tool pays for itself on the first DPF regen or injector coding job.