Torque converter clutch will not unlock


heptofite

15+ Year Member

Joined
Oct 25, 2009
Messages
1,697
Points
3,101
Vehicle Year
2019
Engine
2.3 EcoBoost
Transmission
Automatic
so, after i had the flywheel in my b2 replaced, i got the truck back from the shop and the torque converter clutch won't unlock in 3 and overdrive, but will unlock in 2 and 1 (where the valve body over-rides lockup, IIRC)

so, i unplugged the harness going to the lockup solenoid to see if it was electrical, and it's still locked up in 3 and OD.

they took the bell off the transmission and replaced the pump seals and bushing while they had the transmission out, is there anything they could have screwed up in there to make the TCC stay locked? or, could my solenoid have just coincidentally taken now as it's time to break?
 

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