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 Toyota denso 93c56 programming with t48		  New Topic  Reply to Topic
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Bamse82

3 Posts
Posted - 03/21/2026 :  07:07:44  Show Profile  Reply with Quote
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?
Reply #1

anniel

2611 Posts
Posted - 03/21/2026 :  13:27:34  Show Profile  Reply with Quote
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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Reply #2

Bamse82

3 Posts
Posted - 03/21/2026 :  21:58:20  Show Profile  Reply with Quote
Ra57/93c56 on the eeprom. The ecu is a 27036-1152 [PCB]
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Reply #3

anniel

2611 Posts
Posted - 03/22/2026 :  08:00:18  Show Profile  Reply with Quote
quote:
Originally posted by Bamse82

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

Chip is probably damaged.
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Reply #4

Bamse82

3 Posts
Posted - 03/23/2026 :  02:27:55  Show Profile  Reply with Quote
But I could read it 7 times with no problems? Could also program it with ori data
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Reply #5

anniel

2611 Posts
Posted - 03/23/2026 :  07:25:44  Show Profile  Reply with Quote
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?
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