Managed to R&R my ctis manifold from the drivers side firewall, chasing a “short or break in control solenoid harness” code in the TIM diagnostics computer.
Couldn’t get my pressure switch to close, I jumpered my pressure switch, confirmed the TIM read switch as closed, and after replacing a couple solenoids in the ctis manifold suddenly the pressure switch began functioning! Low and behold I have a fully functioning CTIS.
I will do a full write up and post a video hopefully tomorrow
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