Difference between revisions of "ELM327"

Latest revision as of 12:26, 16 May 2018

Versions

• 1.0
• 1.0a
• 1.1
• 1.2
• 1.2a
• 1.3
• 1.3a
• 1.4
• 1.4b
• 2.0
• 2.1
• 2.2

Supported protocols

• SAE J1850 PWM (41.6 kbaud)
• SAE J1850 VPW (10.4 kbaud)
• ISO 9141-2 (5 baud init, 10.4 kbaud)
• ISO 14230-4 KWP (5 baud init, 10.4 kbaud)
• ISO 14230-4 KWP (fast init, 10.4 kbaud)
• ISO 15765-4 CAN (11 bit ID, 500 kbaud)
• ISO 15765-4 CAN (29 bit ID, 500 kbaud)
• ISO 15765-4 CAN (11 bit ID, 250 kbaud)
• ISO 15765-4 CAN (29 bit ID, 250 kbaud)
• SAE J1939 CAN (29 bit ID, 250* kbaud)
• USER CAN (11* bit ID, 125 kbaud)
• USER CAN (11* bit ID, 50 kbaud)

AT commands

Basic commands

PIDs

Chip identification and naming

Fakes

By checking the response to the AT commands you can determinate real version of the clone. ^[1]

Supported software

1. ↑ https://www.elmelectronics.com/wp-content/uploads/2017/01/AT_Command_Table.pdf