What (Windows 10, 11, etc.) you are running? Whether you are getting a specific error message ? If your hardware is the single or dual board version?
| Hardware Type | Recommended Firmware | Notes | | :--- | :--- | :--- | | Single PCB (1PCB) | 3201 | Best for new car compatibility | | Double PCB (2PCB) | 1622 or 1430 | May have limited function on new models |
The shift to the 2021.11 software brings significant improvements over older versions: Older Versions (e.g., 2017.3) Delphi Autocom 2021.11 Up to 2017/2018 Up to 2021 New Model Support Extensive (Hybrids/EVs) Stability Highly Stable Bug Fixes Many Bugs Fixed Why Choose "High Quality" C4b Over Cheaper Alternatives?
Today, the 2021.11 C4b remains a cornerstone for independent garages, prized for its ability to provide nearly of the original professional tools at a fraction of the cost. Functions - autocom.se
It scans all onboard networks (Engine, ABS, Airbags, Climate Control, Body Control Module, etc.) simultaneously, pulling up DTCs (Diagnostic Trouble Codes) in minutes. Delphi Autocom 2021.11 C4b High Quality
The 2021.11 software supports a massive database of vehicles, covering European, Asian, and American brands. It handles diagnostics for both passenger cars and heavy-duty trucks, making it versatile for mixed workshops. 2. High-Quality Hardware Build (C4b)
To prevent bricking vehicle ECUs or destroying your C4b hardware multiplexer, observe these operation protocols:
: "C4b High Quality" usually signifies an optimized single-board or premium dual-board hardware configuration. Cheap clones use inferior components that drop Bluetooth connections or fail to read Ford, BMW, or VAG K-Line protocols.
Automatically identifies and selects the correct type of controller installed in the vehicle, ensuring the correct diagnostic parameters are loaded. What (Windows 10, 11, etc
: The software is faster and more responsive than version 2020.23, featuring a modernized user interface.
: Features stable microcontrollers capable of handling high-speed CAN bus data without freezing or crashing.
(e.g., Launch, OBDSTAR).
Reads and clears codes for all manufacturers to ensure emission compliance. | Hardware Type | Recommended Firmware | Notes
Forced static or dynamic regeneration of Diesel Particulate Filters.
: Provides real-time parameter monitoring with graphing capabilities for troubleshooting.
Open Autocom, go to , choose your COM port, and click Test .