NEED HELP WITH CODES P1DB1 & U0100 AIR/FUEL RATIO CHANGES

HERE THE VIDEO

THIS READING 5 SEC AFTER START


THIS ONE 20 SEC AFTER, I NOTICE O2 VOLTAGE CHANGES, I DONT KNOW IF IS NORMAL


Hi guys, car is tune and modified, the first 2 codes was there since day 1 after tune, but now going home and doing 25mph car lost the power and shut down, car start but idling sound its terrible, im getting this new codes, and thinking about some electrical issues, already check grounds, loose plugs, fuses and bad Wiring but dont notice anything bad, im stuck now i dont know what next i can check. Thanks.

HERE THE VIDEO HOW IT SOUNDS

DODGE CHARGER SRT HELLCAT NEED HELP WITH CODES P1DB1 & U0100 AIR/FUEL RATIO CHANGES

NOTICE THE AIR/FUEL RATIO CHANGES