PEAK-System Forum

You are right. It's OK now! Thanks!

Hello, thank you for your help!

1） <the target address was 0x01 instead of 0x33”>
I've changed the content here ：“PUDS_ADDRESS_ISO_15765_4_ADDR_ECU_1 = 0x33 ”

2） <a variable "channel" was used instead of "client_handle">
You are right. This is an error in the code I posted

3) I added the ...

Please check my code, thanks. ( PCAN-UDS 2.x API)
I am communicating with an ECU.

// Define TimeOuts
dw_buffer = CanTpApi.PCANTP_ISO_TIMEOUTS_15765_4;
status = UDSApi.SetValue_2013(client_handle, uds_parameter.PUDS_PARAMETER_ISO_TIMEOUTS, ref dw_buffer, sizeof(UInt32));
Console.WriteLine ...

Hello,
When I send the service（UDSApi.SvcRequestDownload_2013） and get the response message（flow control frame)：
18DA33F1 - 8 10 0B 34 00 44 00 01 00
18DAF133 - 8 30 00 00 00 00 00 00 00

but the service send the first frame only and it can not send consecutive frame：
18DA33F1 - 8 21 00 00 04 00 ...