Hi,

I don't know what changed on my OVMS box, but I am no longer abl to read manually (in the shell) any PID with the "obdii can1 request...". I receive the tranmission failure error. But it used to work fine a couple of days ago. Other commands works great like "re obdii scan start...", so the connection with the OMVS box, communication on the OBD2 port, etc works fine. What could go wrong ? I tried to download the lasted image. Same error.

Here is a session that I did :

OVMS# re obdii scan start 1 7e4 dd00 de00 -r7ec
Scan started: bus 1, ecu 7e4, rxid 7ec-7ec, polltype 22, PID dd00-de00 (step 1), timeout 3 seconds
I (804831) webcommand: HttpCommandStream[0x3f8d76b0]: 3317288 bytes free, executing: re obdii scan start 1 7e4 dd00 de00 -r7ec
I (810981) re-pid: Scan of 7e4 complete
I (817271) webserver: HTTP POST /api/execute
OVMS# re obdii scan status
Scan complete (7e4 dd00-de00)
Scan started : 2024-10-30 17:46:53 EDT
Last response: 2024-10-30 17:46:53 EDT
7e4[7ec]:dd00 70 e8 79 bb
7e4[7ec]:dd01 01 1c f8
7e4[7ec]:dd02 3a
7e4[7ec]:dd04 3d
7e4[7ec]:dd05 3a
7e4[7ec]:dd06 e7
7e4[7ec]:dd08 00
7e4[7ec]:dd09 00
I (817271) webcommand: HttpCommandStream[0x3f8d7350]: 3314968 bytes free, executing: re obdii scan status
I (821941) webserver: HTTP POST /api/execute
I (821941) webcommand: HttpCommandStream[0x3f8d7414]: 3318624 bytes free, executing: obdii can1 request device 7E4 7EC 22dd00
OVMS# obdii can1 request device 7E4 7EC 22dd00
7e4[7ec] 22dd00: ERROR: transmission failure (CAN bus error)

Didier

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