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 Toyota denso 93c56 programming with t48

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T O P I C    R E V I E W
Bamse82 Posted - 03/21/2026 : 07:07:44
Hi guys! Managed to desolder the 93c56 on a broken toyota denso ecu.
I just wan't to practice on this one for a immo off...
I read the eproom, did immo off in toyolex.
But every time I try to program it in XProg it says: "Verifying FLASH... ERROR! FLASH ADRESS 0X000018  Buf_Val: 0x2112  IC_ Val 0x0000 Programming Failed......
Have tried other files I found on the forums with the same eeprom. Same error.

I can reprogram the ori file with no errors...
What am I doing wrong???
This Toyota Yaris is about to buuuurnnn.

EDIT! Unblocked the optinion "Verify after" and it was sucessed. But when I read the eproom once again the ori file is still in there.
Is this a joke?
5   L A T E S T    R E P L I E S    (Newest First)
anniel Posted - 03/23/2026 : 07:25:44
quote:
Originally posted by Bamse82

But I could read it 7 times with no problems? Could also program it with ori data


Can you successfully program other 93C56 chips?
Bamse82 Posted - 03/23/2026 : 02:27:55
But I could read it 7 times with no problems? Could also program it with ori data
anniel Posted - 03/22/2026 : 08:00:18
quote:
Originally posted by Bamse82

Ra57/93c56 on the eeprom. The ecu is a 27036-1152 [PCB]

Chip is probably damaged.
Bamse82 Posted - 03/21/2026 : 21:58:20
Ra57/93c56 on the eeprom. The ecu is a 27036-1152 [PCB]
anniel Posted - 03/21/2026 : 13:27:34
quote:
Originally posted by Bamse82

Hi guys! Managed to desolder the 93c56 on a broken toyota denso ecu.
I just wan't to practice on this one for a immo off...
I read the eproom, did immo off in toyolex.
But every time I try to program it in XProg it says: "Verifying FLASH... ERROR! FLASH ADRESS 0X000018  Buf_Val: 0x2112  IC_ Val 0x0000 Programming Failed......
Have tried other files I found on the forums with the same eeprom. Same error.

I can reprogram the ori file with no errors...
What am I doing wrong???
This Toyota Yaris is about to buuuurnnn.

EDIT! Unblocked the optinion "Verify after" and it was sucessed. But when I read the eproom once again the ori file is still in there.
Is this a joke?


What is the complete part number?

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