Starting to believe it is a Bad Relay. But of course,they don't sell them at local Parts stores.will have to look Online, Dealership ,or Junkyard 🤔 Update...It was the Fan Relay. And the dealer had to contact GM to find the right one,as they sold me the wrong one first.
That Sensor can be replaced with a pair of needle nose pliers. Don't drop the set pin ad it only takes 5 minutes. I would suggest keeping a sensor and a pair of them in the glove box if you live in a hot Part of Country,and are not sure how old the sensor is
2019 Premier Fan would run battery dead after car was shut off. A new 15$ temperature sensor was the Fix. It sits on top of motor just under the radiator hose.
Kudos to GM for creating a system that kills the battery . That will be a life threatening situation for someone in the Desert one of...