How to fix a GMC Chevy "Action is Required Steering Assist is Reduced Drive With Care" error message. Amazon Link Low Cost OBDII Scan Tool: https://amzn.to/3JyyWEY What is GMC Chevy Steering Assist? Steering Assist system uses an electric motor draws energy from the electrical system to ensure you get the steering assistance required when needed. Various sensors are used to detect how much effort or torque the driver applies to the wheel. If more needs to be added, the Steering Assist system kicks in and offers more support. Possible Causes of Steering Assist is Reduced Drive With Care Battery Bad or Replaced Bad Thermostat Bad Temperature Sensor Power Steering Control Module Needs an Update How To Fix GMC Chevy Steering Assist is Reduced Use OBDII Scan Tool To Read Error Codes Example #1: Code P0128: "Engine coolant temperature is below the thermostat regulating temperature". Example #2: U0100 Code: “Lost Communication with ECM/PCM". www.backyardmechanic.org By using this information user assumes all risk of use.