OBDSTAR is releasing a major IMMO software upgrade by November 30, 2026, introducing direct key learning via OBD for vehicles equipped with the FCA MB91F526 BCM (Body Control Module). This update eliminates complex bench disassembly procedures, allowing automotive locksmiths and technicians to complete key programming directly through the OBD port.
Key Functions & Workflow
The upgraded FCA MB91F526 BCM solution supports a streamlined three-step OBD workflow:
1. Read EEPROM via OBD
2. Key Learn via OBD
3. Make Dealer Keys
Supported Vehicle Models
This update covers popular Fiat and Jeep models across Global and South American markets:
| Brand | Market Region | Supported Models |
| FIAT | Global | Ducato (2023–) |
| FIAT | South America | Argo, Cronos, Fastback, Pulse, Toro, Rampage |
| JEEP | South America | Renegade |
Compatible OBDSTAR Devices
The FCA MB91F526 BCM OBD key programming function will be available on the following OBDSTAR tablets:
• OBDSTAR X300 Classic G3 EU Version/Full Version (Key Master G3)
• OBDSTAR X300 Pro4 (Key Master 5)
How to Get the Update
Keep your device subscription active and check the Upgrade menu on your X300 Classic G3, X300 Mini Fiat, or X300 PRO4 on or before November 30, 2026, to download the latest FCA IMMO software package.
