Users can generate and print detailed diagnostic reports in PDF format for customer records.
Unlike generic OBD2 scanners that only read engine codes, communicates with every electronic control unit (ECU) in the car:
Windows 10 or Windows 11 (64-bit architectures are highly recommended for the 2021.11 framework).
: Requires Microsoft .NET Framework 4.8 and an integrated SQL Server database engine.
The software scans, finds codes, but the description window shows nothing. Solution: This was a specific bug listed in the changelog for C4b. If you encounter it, ensure you have the latest "new update FREE" version installed, which specifically addressed: "Generic scan fixed (for some Windows configurations fault code window was empty)". Delphi Autocom 2021.11 C4b
A prompt will appear asking you to save an activation file. Click or Save to save the FileActivation.xml file to your desktop.
The "C4b" variant is specifically optimized to work with the version or similar stable firmwares for the DS150E/TCS CDP+ V3.0 double-board or high-quality single-board interfaces. Using the correct firmware ensures that the multiplexer can handle CAN-BUS, K-Line, and J1850 protocols without dropping connections or causing communication errors with the vehicle. 4. Step-by-Step Installation Guide
Dedicated module for heavy-duty trucks, buses, and trailers.
To ensure optimal performance, the following system specifications are recommended by Autocom : Intel Core i5 or better. Users can generate and print detailed diagnostic reports
: Devices using old Infineon C167 processors (typically vintage gold-colored enclosures with external radio antennas) cannot process the data structure of this software. Attempting to attach them will throw immediate firmware load exceptions. Minimum System Prerequisites
The 2021.11 database provides distinct diagnostic interfaces tailored for both light passenger vehicles and commercial applications: System Version Target Vehicles Core Capabilities Sedans, SUVs, Light Trucks, Hybrids
Setting up Delphi Autocom 2021.11 C4b requires systematic execution to prevent file corruption and authorization errors. Follow these structural steps: 1. Environmental Preparation
: Turn off Windows Defender Real-Time Protection and any secondary antivirus suites. Third-party key generators or customized activation patches are frequently flagged as false positives. The software scans, finds codes, but the description
This software version is designed to work with both (passenger vehicles) and TRUCKS (commercial vehicles) databases. Supported Hardware Incompatible Hardware
: For companies operating large fleets of vehicles, the Delphi Autocom 2021.11 C4b provides a cost-effective solution for maintaining vehicle health, reducing downtime, and extending the lifespan of fleet assets.
To run Delphi Autocom 2021.11 smoothly, your PC should meet these minimum specs: Windows 7, 10, or 11 (64-bit is preferred). RAM: At least 4GB. Storage: 5GB of free space. Framework: .NET Framework 4.5.1 or higher.
The term "C4b" refers to a specific build or revision of the Autocom 2021.11 software. In online automotive forums and communities, this version is frequently grouped with its counterpart, , as they represent a significant synchronized update for both the "Autocom" and "Delphi" branded diagnostic interfaces.
While newer versions have certainly surpassed it today, the 2021.11 C4b release remains a benchmark for a "modern classic" diagnostic suite—robust enough for professional use yet accessible enough for advanced enthusiasts willing to navigate its complex installation and hardware requirements.