Delphi Autocom 202111 C4b Page

| Problem | Likely Fix | |---------|-------------| | USB not recognized | Reinstall drivers in Windows Test Mode | | “Battery voltage low” | C4B draws power from OBD. Some cars need external 12V to OBD pin 16 | | Cannot connect to a specific module | Check if the module is CAN or K-line; some require ignition ON or engine running | | Software says “Offline” | Disable firewall or run the crack again | | Interface overheating | Clone hardware quality issue; use a USB extension cable to reduce heat |

: Supports service light resets, electronic parking brake release, and DPF (Diesel Particulate Filter) regeneration. delphi autocom 202111 c4b