Technician A says the Torque Converter Clutch (TCC) solenoid is monitored by the Powertrain Control Module (PCM) and Diagnostic Trouble Codes can be set when the TCC is not operating correctly. Technician B says on hydraulically controlled transmissions, the PCM will not set codes unless the TCC circuit is open or shorted, or the solenoid is shorted. Who is correct?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Both technicians are correct. The PCM monitors the TCC solenoid and can set diagnostic trouble codes if there are issues with its operation, such as being open, shorted, or not functioning correctly.

Technician a Says the Torque Converter Clutch (TCC) Solenoid Is