Problem with writing eeprom. Verify error

**Jackfruit** · 9th November, 2020, 06:33 PM

Hello! Have problem with writing on eeprom 24c04 Honda Click 125cc 2012-2014. Can read, erase, when i write, it looks like successfully, but when Verify, appear "flash check error address: 0h" and when read again, can see that dump like mix of new and old dump, some bites changed, some not.

20201110_002648.jpg
20201109_210751.jpg
I use USB programmer CH341A with clip.
Yesterday i successfully without any problems wrote different dumps on another eeprom (bike dashboard same same model).

I have found similar old topics on this forum and these are proposed solutions:
1. Shorten cable. Lengths of cable (from programmer to eeprom) to long. But it works with another eeprom.
2. Set voltage (is it possible to set it on my device?)
3. Contact not good - unsolder eeprom.

Are there another solutions of this problem? mb in software?

Hope for help, thanks

Problem resolved by new eeprom.

**Jardel** · 10th November, 2020, 01:50 AM

The best way would be to remove the eeprom and record from the outside. It may be conflicting with processor.

**yokazik** · 10th November, 2020, 07:25 AM

Lift 7 pin or better way desolder chip 10s job

**Jackfruit** · 10th November, 2020, 08:43 AM

Originally Posted by Jardel

The best way would be to remove the eeprom and record from the outside. It may be conflicting with processor.

But i modified before absolutely similar dashboard, didnt have conflicts, what do u think about it?

**Jardel** · 10th November, 2020, 10:38 AM

Perhaps a small difference in tension, a small tolerance, allowed us to do it earlier. It may have been just a coincidence. If pin 7 is connected to the Vcc, it activates the write protection. When I do it, I remove the memory. Is it Visteon too?

**Jackfruit** · 10th November, 2020, 10:57 AM

Originally Posted by Jardel

Perhaps a small difference in tension, a small tolerance, allowed us to do it earlier. It may have been just a coincidence. If pin 7 is connected to the Vcc, it activates the write protection. When I do it, I remove the memory. Is it Visteon too?

Yes, Visteon

**Jardel** · 10th November, 2020, 12:20 PM

Try to remove and write. And post the result. We are here to help you. I'm also a newbie ....

**Jackfruit** · 10th November, 2020, 12:46 PM

Yeah, today will try and write about results)

**Jackfruit** · 10th November, 2020, 04:21 PM

Desolved and soldered on programmer adapter, but still have same error((((
20201110_221821.jpg

**Jardel** · 10th November, 2020, 04:32 PM

Did you try to delete the eeprom and write the original file?Or even use some other eeprom?

**Jackfruit** · 10th November, 2020, 04:51 PM

Tried erase and write original.
Now in dump mix of original data, new and ff

So as i think problem can be in programmer or eeprom or software

**Jackfruit** · 10th November, 2020, 05:11 PM

20201110_230823.jpg mb i connected it wrong?))

**Jardel** · 10th November, 2020, 05:43 PM

Is correct. Try other eeprom.

**Jackfruit** · 10th November, 2020, 06:01 PM

Originally Posted by Jardel

Is correct. Try other eeprom.

dont have now another. if this eeprom not useble, can i install another? and how to choose it? just 24c04 of any manufacturer?

**Jardel** · 10th November, 2020, 06:59 PM

Originally Posted by Jackfruit

dont have now another. if this eeprom not useble, can i install another? and how to choose it? just 24c04 of any manufacturer?

As long as it is 24c04 and the pinouts are the same, you can. But I say to test another eeprom to find out if the same will happen, because it can be a problem in the programmer. You can also reinstall the program on the computer, restore it to a previous state or even ask to run as an administrator ....