A scan tool may provide data as to when the torque converter clutch (TCC) solenoid has been energized to apply the TCC solenoid, but many hydraulically controlled transmissions were built before auto manufacturers provided the automotive technician much diagnostic data through the scan tool.

Question

Quizplus · Accepted Answer

Many older vehicles with hydraulically controlled transmissions do not provide extensive diagnostic data through scan tools, as this capability was developed later with advancements in electronic controls.

A Scan Tool May Provide Data as to When the Torque