ECU Problems

[richy1]

My ECU in Civic 2016 2.0L got damaged with a couple pins breaking off. A few error codes has appeared and it also seems to be stopping the AC from starting so I went a bought a used unit. When trying to program this ECU to car I keep getting a "failed" error. The old ECU part number is 37820-5BA-A84 while the new unit is 37820-5BA-L64, taken from a civic 2.0L.

I'm wondering if the difference in part number is causing programming to fail. I was of the belief that ECU are all re-programmable once the engines are the same

Should I now have to source another or can a re-flash work?

Thanks

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[dallasjhawk]

My ECU in Civic 2016 2.0L got damaged with a couple pins breaking off. A few error codes has appeared and it also seems to be stopping the AC from starting so I went a bought a used unit. When trying to program this ECU to car I keep getting a "failed" error. The old ECU part number is 37820-5BA-A84 while the new unit is 37820-5BA-L64, taken from a civic 2.0L.

I'm wondering if the difference in part number is causing programming to fail. I was of the belief that ECU are all re-programmable once the engines are the same

Should I now have to source another or can a re-flash work?

Thanks

you probably need to go to the dealer and have the immobilizer linked to your car/ecu and there may be mismatched software from the ECU/PCM/TCM etc.

 

[long_meats]

My ECU in Civic 2016 2.0L got damaged with a couple pins breaking off. A few error codes has appeared and it also seems to be stopping the AC from starting so I went a bought a used unit. When trying to program this ECU to car I keep getting a "failed" error. The old ECU part number is 37820-5BA-A84 while the new unit is 37820-5BA-L64, taken from a civic 2.0L.

I'm wondering if the difference in part number is causing programming to fail. I was of the belief that ECU are all re-programmable once the engines are the same

Should I now have to source another or can a re-flash work?

Thanks

I have no knowledge on ECU related stuff, but does it look possible to remove just the pins/plastic pin housing from the incorrect ECU and simply swap them onto your original ECU?

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