P0C2B and P0AC4 DTC codes

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HybridBatterix

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Hello,

i changed the converter DC DC. I have the same messages on dashboard.
The Tahoe works a few much better with the charge of 12V Battery.

When, i start, the 12V battery has the voltage at 12,20V. It stays stable.

Not more, normally it will be more 13V, almost 14V ?

If i turn ON front lights, the voltage is 12,00V and stays stable.

And if I add the air-conditionning, it is 11,70V and the voltage decreases slowly.

I read the DTC Code : P1ADC, P0AC4 and P1ADD.
P1ADC and P1ADD is about EEPROM, do i have to reset eeprom ?

Thank you very much.
 

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