BT500 UpdataTopDiag-BT500 UpdataTool V2.0.4 Version Posted on 2025-09-102025-09-10 by jdiag 10 Sep TopDiag-BT500 UpdataTool V2.0.4 Upgrade Notes1. Fixed display issues with certain languages2. Added locomotive testing Download jdiag TopDiag P200Pro Update V2.2.4 Version TopDiag BT400 V2.0.34 Version