I have a Silverado 2011 4x4 and it work just add brake fluid I’m just tune the truck off then I put brake fluid And turn on again and with le brake service and traction control off cos seconds the going off the lights again Thank you
@omarpizana1976 brake fluid solved my issue. I thought the brake fluid level was on point but as I removed the lid what I saw from the outside was an older stain giving the impression it was good.