Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
P0506
Engine Speed. = 94 RPM Less than desired Engine Speed For greater than 10 s
P0507
Engine Speed. = 188 RPM Greater than desired Engine Speed For greater than 10 s