12/4/2023 0 Comments Transmission replacementSo, as a safety net, the TCM monitors the low-reverse pressure switch (LRPS). The main point to understand is that if the SSV sticks in the LR position, as the transmission control module (TCM) commands the TCC on it will apply the LR clutch, which will cause a bind-up.Ĭoming to a grinding halt from 40-60 mph would be no fun and would be a “slight” safety hazard. To understand this code you need to know how the low-reverse/lockup (LR/LU) solenoid works in conjunction with the SSV to control both the LR and the torque-converter clutch (TCC). In other words, “It’s doing the same thing.” Of course, it also had the same code. She said it acted up at the same spot on her trip to work as before the repair. The customer described the same scenario. After installation and test drive the replacement transmission worked well, and the car was delivered to the customer on a Friday evening. Because of the high mileage, and experience with this code, the shop ordered and installed a Certified remanufactured transmission. The technician thoroughly test-drove the car but couldn’t get the code to recur.
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