4t60
Retired
Certified Car Nut
Joined: Jul 2003
Posts: 17,960
Likes: 1,839
From: Dark Side, AZ
Don't monitor the TCC + voltage, you have to monitor the - side. The PCM controls the ground to the solenoids.
Just like the fuel injectors. They are always hot, but have no ground until the PCM grounds them.
Just like the fuel injectors. They are always hot, but have no ground until the PCM grounds them.
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