Chinese ELM 327 Timeout problem

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solteir
Posts: 1
Joined: 30 Nov 2017, 18:41

Chinese ELM 327 Timeout problem

Post by solteir » 30 Nov 2017, 19:04

Hi guys,

I bought one of those Chinese ELM 327 V1.5 that presents the known timeout problem, so I decided to dig deeper on the bench to see the real problem (I'm electronic engineer).

The hardware I have is this one:
Hw.JPG
Hw.JPG (33.85 KiB) Viewed 2528 times
When I click on "Test" I see below screen failing for ATSPC command with phrase: "The operation has timed out".
Timeout.JPG
Timeout.JPG (46.71 KiB) Viewed 2528 times
But if I send this command manually using any prompt terminal, such as TeraTerm or RealTerm, it works, so I believe this problem could be fixed by changing the timeout property on the software. Does anyone know if is it possible to change it on the MultiEcuScan software? I looked everywhere and couldn't find. I tried the "High Latency Mode", changed the low speed on the device manager com port properties and nothing helped...

Below you can see it working on RealTerm:
ATcommands_RealTerm.JPG
ATcommands_RealTerm.JPG (111.35 KiB) Viewed 2528 times

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