Tow/Haul flickers engages off/on
2005 Jeep GK 5.7L overland.
Need help diagnosing how to fix (stop) the Tow/Haul option from turning off and on BY ITSELF.
With the option turned off the light will flicker on/off repeatedly shifting the transmission (RPM jump about 300) once I reach about 35 MPH and it continues until it either stays off or on at about 55 MPH. I have never towed with my Jeep and have never needed the option.
It makes no difference if I manually push the Tow/Haul button while it's cycling on and off. Once I hit about 55 MPH I can then use the button to turn on or off until I start to slow down.
It is going to damage my transmission if I can't either fix it or at least figure out a way to disable the option. If there is a fuse I could pull for now that would be ideal. At least with it disabled I won't be panicking about ruining the transmission. Anyone have any clue where I should start the diagnosis process? Is it run by a fuse or a relay? Any HELP would be great!