What is code p1101 for the 2017 chevy malibu?

Code P1101 in a 2017 Chevy Malibu means that there is a mass air flow sensor problem. Usually this will result in less power output and a decreased throttle response. The mass air flow sensor measures the amount of air as it goes into the engine to make sure that You get the correct ratio of fuel to air to ignite. When this sensor is not working or detects a problem then Your engine is going to run rougher. The most likely problem is just that the sensor has worn out and will need to be replaced. It usually is under $100 to replace so it is worth getting done to restore power to Your car.