Description
MS41 Read Lock patches Siemens MS41 full reads so they can’t be read over OBD, protecting your tuning work.
Compatibility
- MS41.0: 1429861, 1432401
- MS41.1: 1437806, 1429542, 1430144
- MS41.2: 1406464
Flash this ECU with MS41 Quickflash.
License
After downloading, follow instructions on the registration window and your license will be delivered within 24 hours. Be sure to generate the unique ID on the computer this will be used on as the license will only work on one computer.
Bench flashing? See the MS41 bench pinout for power, ground and communication pins.




