Radiator Fan on full blast won’t turn off even with car off, not running. How to fix it GMC Chevy

Temp sensor ACDelco Gold 213-4514 (19236568) Engine Coolant Temperature Sensor affiliate link https://amzn.to/42g20uL Thermostat Dorman 902-2090 Engine Coolant Thermostat Housing Assembly Compatible with Select Cadillac / Chevrolet / GMC Models affiliate link https://amzn.to/40wuNdi Coolant temp sensor replacement Thermostat & Coolant temperature sensor replacement: Yukon, Tahoe, Sierra, Silverado, Escalade GM    • Thermostat & Coolant temperature sens...   Yukon / Tahoe / Suburban / Escalade Owner’s manual Bells & whistles    • Yukon / Tahoe / Suburban / Escalade O...   If your temperature gauge isn’t working, showing cold when the vehicle has been operated, the temperature sensor may have failed, which makes the fan run at max speed as a safety feature not knowing if the engine is overheating. Also, the thermostat may stick open and over cool, or closed and over heat. I replaced both for hood measure, but it was most likely the temperature sensor Temp sensor ACDelco Gold 213-4514 (19236568) Engine Coolant Temperature Sensor affiliate link https://amzn.to/42g20uL Thermostat Dorman 902-2090 Engine Coolant Thermostat Housing Assembly Compatible with Select Cadillac / Chevrolet / GMC Models affiliate link https://amzn.to/40wuNdi 19mm deep socket https://amzn.to/3FdaB83 Dexcool https://amzn.to/4ic9nbI Yukon / Tahoe / Suburban / Escalade Owner’s manual Bells & whistles    • Yukon / Tahoe / Suburban / Escalade O...