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Hello, I got the BOSCH 30615 qfp32 from Mercedes EDC16 ECU, put it instead of my cj-125-QFN28 and now everything works fine. Heater PID works fine, lambda output tested with firelighter and looks good. I will try to deal with cj125 in qfn28 but I think the best option for now is to buy broken/cheap ...

Hello, I have another problem with my board - without UN pullup to VCC(eq several kOhms) I have diag = 0xF0 but with pullup UR readings are strange(optimal 2.5V and with heating never reachable) and I can't proper regulate the temperature... Do you have any ideas?

Hello, some time ago I buyed some CJ125BA chips. This week I started to work with it but I found some problems :D My chip is in QFN28 housing with dot in one corner. I can't find any datasheet with this chip in QFN28, there is PLCC28 but with dot in the middle of one side of chip so I'm not sure if ...