OP-COM 2020 FREE 4 ALL
21-06-2022, 12:39 PM,
Post: #31
RE: OP-COM 2020 FREE 4 ALL
(21-06-2022, 12:02 PM)mattydr67 Wrote:  The controler you mentioned are on HS-CAN. Maybe the HS-CAN line in your interface could be defective ( the HS-CAN transciver and/or the relay, could be many other issues that could cause a non connection to that controllers )
Is there any controller in that car that you can connect?
If you cannot connect to any controller in that car then the issues could be a driver issue or the MCU ( PIC18F458 ) could be a fake blocked one.
You have a Rev B so you can rework it to Rev C. The Rev D it is different hardware
Good luck

P.S. - By team viewer I can help you test if you have a fake MCU or if you have a corrupted or bad driver setting.
By your board pics it seems that you have a fake MCU but if you can test this you will be sure.

OK, I can arrange for teamviewer maybe tomorrow. I was able to downgrade firmware and upgrade again so I thought the interface was genuine.

I am able to connect to controllers like airbag, radio and cluster. Indeed I cant connect to the HSCAN controllers including body domain controller
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21-06-2022, 13:05 PM,
Post: #32
RE: OP-COM 2020 FREE 4 ALL
Well if you was able to downgrade and upgrade the firmware and the interface can connect to some controllers then the MCU is a real but not a fake one.
In this case you do not need me to do any tests because your issue is the HS-CAN defective in your interface.
You can check the relay and also you can check the CAN BUS transceiver for HS-CAN.
Good luck
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21-06-2022, 13:16 PM,
Post: #33
RE: OP-COM 2020 FREE 4 ALL
OK. Thanks. Ill navigate and see if I can identify these components i.e Relay and transceiver
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21-06-2022, 13:21 PM,
Post: #34
RE: OP-COM 2020 FREE 4 ALL
(21-06-2022, 13:16 PM) willisodhiambo Wrote:  OK. Thanks. Ill navigate and see if I can identify these components i.e Relay and transceiver

I marked for you the components that you have to test or replace
Good luck
Reputation: +1 - ROD-BENDERS [+1]
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22-06-2022, 06:55 AM,
Post: #35
RE: OP-COM 2020 FREE 4 ALL
(21-06-2022, 13:21 PM)mattydr67 Wrote:  
(21-06-2022, 13:16 PM) willisodhiambo Wrote:  OK. Thanks. Ill navigate and see if I can identify these components i.e Relay and transceiver

I marked for you the components that you have to test or replace
Good luck

Matty, mind to share the marked diagram again? cant see any attachment
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25-06-2022, 16:45 PM,
Post: #36
RE: OP-COM 2020 FREE 4 ALL
Hi. Can you please share TabEnable on the forum?


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25-06-2022, 18:19 PM,
Post: #37
KOpel  RE: OP-COM 2020 FREE 4 ALL
As shared by the original thread maker with his official password.


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Size: 262.8 KB

Reputation: +3 - fantomel [+1] , darek_naprawa [+1] , Mario68 [+1]
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