| Feature | Kess 2.90 | Ktag 7.020 | PCMflash | Flex (Magpro) | | :--- | :--- | :--- | :--- | :--- | | | OBD + Bench | Bench (Trionic) | OBD | Bench + OBD | | Speed | Very Fast | Fast | Moderate | Fast | | TCU Support | Excellent (ZF/DSG) | Poor | Moderate | Good | | Price (Genuine) | High ($3k+) | Medium ($1.5k) | Low ($500) | High ($2.5k) | | User Friendliness | 9/10 | 6/10 (Complex) | 7/10 | 8/10 |
Subject: Why Kess 2.90 is a "Must-Have" for Kess V2 HW 5.017 Users Kess 2.90
: Includes support for newer communication protocols like FlexCAN , essential for modern vehicles manufactured after 2021. | Feature | Kess 2
| Feature | Detail | |--------|--------| | Processor | 32-bit ARM Cortex-M3 | | Communication | USB 2.0 (PC), OBDII (J1962), External power input (12V) | | Protocols | ISO9141, KWP2000, CAN (11/29 bit), UDS, C_CAN, D_CAN | | Max OBD Speed | Up to 500 kbps (CAN FD not officially supported) | | Internal memory | 64MB Flash for bootloader & protocol stacks | | Power source | Vehicle OBD (12V) or external DC jack | | Protection | TVS diodes on data lines, reverse polarity protection | CAN (11/29 bit)
Risk: High. A slipped probe can short 12V to a data line, destroying the CPU.