Transmission Tag: 9L2P 7000 CA
5R55S
Problem: No Reverse
All Forward gears engage.
Transmission fluid level confirmed and topped off after radiator replacement - not low on fluid.
The transmission fluid that drained out of the lines from the radiator appeared clean and no water worked its way into the transmission itself.
Transmission fluid looks nice and red yet, and no grit felt in it.
Had a scanner run on it, no codes found related to the transmission. The mechanic that scanned the system questions some voltages. When in all forward gears the voltage for torque lockout would drop to zero, which appears normal, but reverse would remain at around 5 volts. If I'm explaining that correctly. No PO7 related codes were present.
When shifting through the gears, the scanner was picking up the correct gear selection, so figure the range sensor would be okay at that point.
Out of ideas at the moment.
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Saturday, July 16th, 2022 AT 3:24 PM