The 2019 Chevrolet Cruze experiencing an inability to move in reverse while having no issues moving forward typically indicates a problem within the transmission system. This issue can manifest suddenly or progressively worsen over time. The severity of the problem can vary, but in all cases, it significantly impacts the vehicle's operability and safety. Warning signs preceding this issue might include unusual noises when attempting to shift into reverse, a delay in engagement when the reverse gear is selected, or even a complete lack of response. These symptoms suggest that the vehicle's transmission is not functioning as intended, which affects its ability to change gears properly and, specifically, to engage the reverse gear.

The likely root cause of this issue is a failure within the transmission system, which could range from a simple malfunction of the transmission's electronic controls to severe internal mechanical damage. The transmission relies on a complex interaction of hydraulic, mechanical, and electronic components to change gears and direct power from the engine to the wheels. A failure in any of these components, such as a damaged reverse gear, a blocked hydraulic passage, or a faulty solenoid, can prevent the transmission from engaging reverse. Ignoring this problem can lead to further damage to the transmission, resulting in a more costly repair or even the need for a complete transmission replacement.