# VCP 3.8.1 ready for download

**URL:** <https://vcpsystem-forum.de/t/vcp-3-8-1-ready-for-download/723>\
**Category:** News & Ankündigungen\
**Created:** [20. März 2015 um 19:43 UTC](https://vcpsystem-forum.de/t/vcp-3-8-1-ready-for-download/723 "2015-03-20T19:43:16Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![mh254](https://vcpsystem-forum.de/user_avatar/vcpsystem-forum.de/mh254/32/8_2.png) [@mh254](https://vcpsystem-forum.de/u/mh254)\
**Post date:** [20. März 2015 um 19:43 UTC](https://vcpsystem-forum.de/t/vcp-3-8-1-ready-for-download/723/1 "2015-03-20T19:43:16Z")

</div>

- improved CAN Routines and error detection on CAN BUS.
- improved overall stability

IMPORTANT: this version requires update CAN and K+CAN Interfaces firmware to version 0203 and 040C respectively. All interfaces with current firmwares 0202 and 040B are online upgradeable. See VIDEO description how to update interface.

1st check if your interface is upgradeable (just start the interface upgrade) and THEN do a VCP update using “Download I” button. VCP 3.8.1 will work ONLY with latest firmware 0203 and 040C.