Brake lights
If you did not check the bulbs themselves before changing the brake light switch, you might want to start there. Blown brake light bulbs (https://www.yourmechanic.com/services/brake-light-bulb-replacement) can actually cause the ESC light (https://www.yourmechanic.com/services/brake-warning-light-is-on-inspection) to come on, so make sure that the...