P083B - Transmission Fluid Pressure Sensor Rationality.
P0882 - TCM Power Input Signal Low
This vehicle has it's Valve Body and Solenoid Pack Replaced a year ago (from a used car, unknown mileage)
In the current year, we thought the used Valve Body and Solenoid Pack gave up, so we replaced it with an OEM used one. It drove fine for about a week. After A week same exact codes appeared. We replaced the Valve Body and Solenoid Pack again, and after driving for an hour, same code popped back up. Vehicle goes into limp mode will not switch from 1st gear, the Fluid Pressure Sensor Switch Keeps Opening/Closing in drive, it should only open in 3rd gear I believe. I think something is sending high current to the Solenoid Pack or to the Fluid Pressure Sensor and frying something. I hope this is not the case.. I have access to some repair manual's such as Chilton but I'm not very good at finding connectors such as C1, C2.
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Hello, clearly the parts you have replaced are not helping. I am inclined to ask more about recent events - is there a chance of rodent activity and wiring damage? Has there been an accident with repairs? What other abnormal things have occurred potentially that could help figure what's going on?
The input signal low code has me concerned about available electrical power and why it would be insufficient.
It's all theory until performing circuit troubleshooting, unfortunately. I can't really guess at possible causes -- I could list some items but they would be unsubstantiated.
Seek guidance at a local shop near you.
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