well the service manual shows this box.
TCC clutch lock up or this
Torque Converter Clutch Pulse Width Modulation (TCC?PWM) Solenoid Valve Assembly?????????
Automatic Transaxle - 4T65-E
The "T" means transverse boc.
E means shifted 100% by electronics TCM brain, most are inside PCM.
no engine told but this is the most common box, GM made and an put it in vast cars sold world wide , for them and other makes
and lots of tops manuals covering it
the answer is
the TCC sol is inside the box. above pan'
the TCC is mounted to the valve body.
exactly here, as seen in the service manual and GM books on this box.
there is Brake TCC switch that kills TCC function, braking.
the clutch unlocks TC)
there is TCC-PWM sol on the valve body
there is TCC pressure switch same place to tell the PCM TCC did lock or did not lock up via pressure.
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