Newbie here. Not really sure where to post this but I'll give it a try. I have a 2009
Yukon SLE. It had a bad battery for several weeks, slow starts, and it had to be jumped several times. Transmission ended up going into limp mode. Was told to replace
batteryand check fuses under the hood in the main fuse box. Got the money and Replaced with new battery and checked fuses. Half of the all the fuses under the hood showed no current including TCM fuse and Transmission ignition module fuse along with several others. Replaced all fuses with new fuses, except for the relays. I don't know how to check if those are blown or if that's the problem. Once the new fuses were put it, they still show no current running to them. I'm at a loss with only one vehicle, lack of funds. I called several shops they all say electrical and possible blown fuse box or wire harness. Is there anything I can try on my side before I have to take it in? Auto zone hooked it up to the scanner and its throwing no codes at all. Something has to be wrong. I would think something would show. I'm at risk of blowing my
transmission. Any advise would be greatly appreciated. Thanks Y'all!