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BQ3060: CIM flag is not cleared after PFkey is written to ManufacturerAccess(0x00)

Part Number: BQ3060

Hi. We have a problem with a battery pack which has BQ3060.

It has CIM permament failure, but we have balanced the cells and want to clear the failure.

I followed the steps from BQ3060 technical reference, but with no success:

1. I read the PFkey from 0x61 address, which responds with 73 26 12 17

2. Afterwards I write the PFkey to ManufacturerAccess(0x0) first - 17 12 and then 26 73, but the CIM flag does not disappear. 

Can you please help me understand why this happens? Below are image of flags: