Normal cause is electrical noise in the APPS circuit, dirty battery cables, dirty ground locations, and bad alternator brushes can all be the cause.
Slippage in the transmission or a bad torque converter
Could be a problem with your torque converter
The torque converter clutch is inside the torque converter.The torque converter clutch is inside the torque converter.
sounds like the torque converter case weld have split. did it happen under a high load application(like a heavy 5th wheel trailer)
a bad lock-up switch in the tranny.
It is on the inside of the trans, on the valve body.
The torque converter is between the engine and transmission.The torque converter is between the engine and transmission.
If it is acting like you are revving up, the torque converter has failed.
torque converter lock out engaged.
The stator inside the torque converter directs the fluid at an angle to trans. part of the torque converter amplifying the force on the vanes.
It is inside of and is part of the torque converter.
What is the torque converter ckt performance?