hello hybrid family I’m Tryna figure out a few things on my 2008 GMC Yukon....went to start it and all I got was a lil jerk from what seems to be the tranny and a bunch of lights “serv stabili teal,serv traction control, ABS light come on,and auto stop.....I hooked my scan tool up and got the following codes

P0AB9
P0C2F
P0AC4
C12FF

Need all the help I can get rt now,thanks in advance Hybrid family

 

Confirm your 12V is healthy with a LOAD test.

 

Yes charge the 12v first or replace the 12v with a new one.