Moconnor

Update on my question. My 2020 5.3 was making the same whine as in the video. Sounded like possobly underneath the truck. Just left the dealer where they replaced the ideler pully and the problem is resolved. Said they have replaced a bunch of the pullys. Just FYI if your is doing the same thing. I did not sound lik the front of the engine, it sounded internal.

Did you ever find out what the issue was? Mine is doing it now.

TylerRST, do you do filter also or just fluid?

I just got a new 2020 RST. First trip this weekend and this issue was driving me crazy. on the way home I started turning off stuff to see if it stopped the error. Well I have installed a rear camera on the factory Furion mount and added a passenger side camera also. they only work with the lights powered so I always drive with my light on on my other truck and so I was with this one as well. Turned off headlights and no error for miles. eventually turned them back on and error started right back up. when I got home I disconnect the side camera and what do you know, no more error. I have had this truck a week and first trip so I was frustrated to say the least. I just wanted to let yall know what worked for me.