ELM 329 - Page 11

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ELM329
ELM329DSC Elm Electronics – Circuits for the Hobbyist
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AT Command Summary (continued)
General OBD Commands
AT0, 1, 2 Adaptive Timing off, auto1*, auto2
BD perform a Buffer Dump
BI Bypass the Initialization sequence
DP Describe the current Protocol
DPN Describe the Protocol by Number
H0, H1 Headers off*, or on
MA Monitor All
PC Protocol Close
R0, R1 Responses off, or on*
S0, S1 printing of Spaces off, or on*
SH xyz Set Header (11 bit ID) to xyz
SH xxyyzz Set Header (29 bit ID) to xxyyzz
SH wwxxyyzz Set Header (29 bit ID) to wwxxyyzz
SP h Set Protocol to h and save it
SP Ah Set Protocol to Auto, h and save it
ST hh Set Timeout to hh x 4 msec
TA hh set Tester Address to hh
TP h Try Protocol h
TP Ah Try Protocol h with Auto search
J1939 CAN Specific Commands (protocols A to F)
DM1 monitor for DM1 messages
JE use J1939 Elm data format*
JHF0, JHF1 Header Formatting off, or on*
JS use J1939 SAE data format
JTM1 set Timer Multiplier to 1*
JTM5 set Timer Multiplier to 5
MP hhhh Monitor for PGN 0hhhh
MP hhhh n “ “ and get n messages
MP hhhhhh Monitor for PGN hhhhhh
MP hhhhhh n “ “ and get n messages
CAN Specific Commands (protocols 6 to F)
. [1 - 8 bytes] send bytes with the 11 bit ID
: [1 - 8 bytes] send bytes with the 29 bit ID
CA is there CAN Activity at pin 11?
CEA turn off CAN Extended Addressing
CEA hh use CAN Extended Address hh
CAF0, CAF1 Automatic Formatting off, or on*
CF hhh set the ID Filter to hhh
CF hhhhhhhh set the ID Filter to hhhhhhhh
CFC0, CFC1 Flow Controls off, or on*
CM hhh set the ID Mask to hhh
CM hhhhhhhh set the ID Mask to hhhhhhhh
CP hh set CAN Priority to hh (29 bit)
CRA reset the Receive Address filters
CRA hhh set CAN Receive Address to hhh
CRA hhhhhhhh set the Rx Address to hhhhhhhh
CS show the CAN Status counts
CSM0, CSM1 Silent Monitoring off, or on*
D0, D1 display of the DLC off*, or on
FC SD [1 - 8 bytes] FC, Set Data to [...]
FC SM h Flow Control, Set the Mode to h
FC SH hhh FC, Set the Header to hhh
FC SH hhhhhhhh “ “ hhhhhhhh
PB xx yy Protocol B options and baud rate
TM0, 1, 2, 3 set Transceiver Mode to 0,1,2, or 3*
RTR send an RTR message
V0, V1 use of Variable DLC off*, or on
Periodic Message Commands
SW hh Set Wakeup interval to hhx20 msec
SW 00 turn off Wakeup messages
WD [1 - 8 bytes] set the Wakeup Data
WH hhh set the Wakeup Header (11 bit)
WH hhhhhhhh set the Wakeup Header (29 bit)
WM [1 - 8 bytes] set the Wakeup Message
WM0, 1, 2 set the Wakeup Mode to 0*, 1 or 2
Note: Settings shown with an asterisk (*)
are the default values