An electronically shifted automatic transmission operates okay in reverse, but the vehicle does not shift at all when moving forward. Technician A says that a defective torque converter is the likely cause. Technician B says that a defective shift solenoid could be the cause. Which technician is correct?

Question

Quizplus · Accepted Answer

Technician B is correct because a defective shift solenoid can prevent an automatic transmission from shifting gears when moving forward, while a defective torque converter would more likely affect the vehicle's ability to move at all, both forward and in reverse, rather than just its ability to shift gears when moving forward.

An Electronically Shifted Automatic Transmission Operates Okay in Reverse, but the Vehicle