I have a 2012 2500 with 43,000 miles, egr and DPF deleted, MM3 tuner, DRD.

Yesterday while driving my parking brake light and traction control lights kicked on and now won’t go off. Parking brake light is solid, not flashing. ABS light is not on. Brake fluid level is between min and max. Braking is fine and truck drives normal. Parking brake is not engaged. However I have no cruise since the traction control light is on. Checked all fuses that I thought would relate to ABS/TC/Parking Brake and they are fine. Mm3 tuner and a scan tool don’t show any codes. I have no idea what it could be. Might have to have a dealer look at it but I thought I’d check here first. Any thoughts?