Includes comprehensive diagnostic support for over 70 new vehicle models compared to older versions, covering cars, light commercials, and heavy-duty trucks up to 2021–2022.
: It includes extended database features and vehicle coverage modeled after genuine software updates.
Delphi Autocom 2021.11 C4b is an versatile tool that can be used in a variety of applications, including:
The C4b interface is a device (no Bluetooth or WiFi, unlike the newer Bosch or Topdon tools). It connects to the vehicle via a 16-pin OBD2 cable and to a Windows laptop/tablet via USB. Delphi Autocom 2021.11 C4b
The strikes a balance between the affordability of aftermarket tools and the depth of dealer-level equipment. By combining the stability of the C4 hardware with the updated database of late 2021, it remains a staple tool for workshops that need reliability across a wide range of makes and models.
Open the program to trigger the activation screen, which generates a unique hardware identifier string (FileActivation.xml).
Launch the main application file (usually Main.exe ). The program will prompt you with an activation window and generate a unique tracking ID or file request. Save the activation request file ( FileActivation.xml ). Includes comprehensive diagnostic support for over 70 new
Download the software archive. Extract it to the root directory of your main drive, usually C:\Autocom2021 . Do not run it from a temporary folder. Step 3: Install Drivers
To avoid latency or interface drops during active ECU flashing or diagnostics, your host computer should meet or exceed the following specifications: Minimum Specification Recommended Specification Windows 10 (32/64-bit) Windows 10 or Windows 11 (64-bit) Processor Intel Core i3 / AMD Ryzen 3 Intel Core i5 / AMD Ryzen 5 or higher RAM 8 GB or higher Storage Space 10 GB free SSD space 20 GB free SSD space Connectivity USB 2.0 Port USB 3.0 Port + Built-in Bluetooth
Disable all antivirus software (including Windows Defender) and firewalls temporarily before downloading or extracting files. It connects to the vehicle via a 16-pin
Fixes critical bugs where generic Windows configurations left Diagnostic Trouble Code (DTC) windows blank. It provides detailed descriptions and repair guidelines directly on-screen.
Whether you operate a professional garage or manage an independent workshop, understanding the architecture, features, and setup of the 2021.11 C4b software configuration is critical for maintaining maximum vehicle compatibility. 🚗 Core Features of Autocom 2021.11 C4b
To prevent future file deletion, add the entire Autocom installation folder as an exception/exclusion in your antivirus dashboard. Troubleshooting Common Issues
Ensure Microsoft .NET Framework 4.8 (or higher) and Visual C++ Redistributable packages are completely updated on your PC. 2. File Extraction and Deployment