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HELP BMW error 46D1 control unit internal - Printable Version

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HELP BMW error 46D1 control unit internal - sim0o0 - 04-06-2023

hello can some one help me I have BMW ECU BOSCH 0281012754, error 46D1 control unit internal , the car does not start I have a new ECU and I made a clone but the car does not start and it has the same error.

Someone can correct me eprom
thanks


RE: HELP BMW error 46D1 control unit internal - ____ANGEL___ - 04-06-2023

0x75E change F686 to F788 , if you change vin manually in eep you have to checksum that. If you change in programming/coding via obd it's done automatically. In these ecus vin is useless and is not obd locked. Change that chk and all will be good.


RE: HELP BMW error 46D1 control unit internal - pocinas - 21-07-2023

(04-06-2023, 19:17 PM)____ANGEL___ Wrote:  0x75E change F686 to F788 , if you change vin manually in eep you have to checksum that. If you change in programming/coding via obd it's done automatically. In these ecus vin is useless and is not obd locked. Change that chk and all will be good.

What you talk about? have same issue, somebody adapt ecu but i think wrong way. I wanna Repairt Data on ECU but i dont understand you adviceĀ  0x75E change F686 to F788

Can you explain better to i understand. Please. Many thanks