How to Diagnose and Fix P062F Engine Code - OBD II Trouble Code Explain

OBD-II fault code P062F means there is an internal control module EEPROM error. The PCM performs self-diagnosis and sets this code if the results are not as expected.
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[@Dee-tc5rp]

My 2012 Camaro have the P062f code showing. There's no power only when I put a battery charger on the front red post under the hood that's when my lights n stuff comes on but car won't start n when I take off the battery charger it's nothing no lights or nothing no power.