Open Windows Device Manager and make sure the hardware interface is assigned to a port between COM1 and COM4. High COM port numbers can confuse older diagnostic software layers.
Providing these details will help pinpoint the exact steps needed for your configuration. Share public link
Delphi and Autocom 2021.11 are professional-grade vehicle diagnostic software suites used with hardware like the DS150E or ICON. This 2021.11 release features a modern interface, faster responsiveness, and unblocked Diagnostic Trouble Code (DTC) support.
Use the corresponding activation utility or patch provided within your package to sign the activation file. Delphi Autocom 2021.11 C4b
Which are you pairing with the software (e.g., a gold-board DS150E, single-board, or dual-board scanner)?
The Complete Guide to Delphi Autocom 2021.11 C4b: Installation, Features, and Diagnostics
Once the software opens, go to the hardware configuration tab and click Update Firmware . This flashes the internal chip of your diagnostic box to match the exact protocol requirements of the 2021.11 code base. Open Windows Device Manager and make sure the
Ensure you have the correct firmware. If you have a 1PCB design, use firmware 3201 . If you have a 2PCB design, use 1622 . Running the wrong firmware will result in immediate disconnection.
What (single-board or dual-board) are you using?
The most significant selling point is the database. This version covers over 50 vehicle brands and more than 30,000 individual vehicle variants. It excels in: Share public link Delphi and Autocom 2021
Installing third-party or modified diagnostic suites like Autocom 2021.11 requires exact adherence to configuration rules to prevent file corruption. Step 1: System Preparation
No. Technical guides explicitly state that "Autocom and Delphi cannot be installed on the same laptop" due to driver and service collisions that break the software's ability to communicate with the car. You must choose one style or use the dual-switch "C4b" version that loads one or the other, but not both simultaneously.
After installation, you must add the Autocom installation folder to your antivirus exclusion list to prevent the activation from being deleted.