On all Chevrolet vehicles 1996 and newer, the OBD2 port is located under the dashboard on driver's side.
Let's take a look at the OBD2 port location on various Chevrolet Vehicles.
Location of OBD-2 port on Chevrolet Malibu.
Location of OBD-II port on Chevrolet truck
Location of OBD-II port on Chevrolet car
On-Board Diagnostic (OBD-II) port on Chevy vehicles (such as Spark, Sonic, Bolt, Volt, Cruze, Malibu, Impala, Camaro, Corvette, City Express, Trax, Equinox, Traverse, Tahoe, Suburban, Coorado , Silverado, Sonic, Blazer, Astro, HHR, Uplander, Avalanche and other models 1996 to present) is located under the dashboard on the driver side.
You can use this port to read and clear fault codes from various control modules including the Engine Control Unit with the help of an OBD2 scanner.