2021 JEEP CHEROKEE Forward Collision Avoidance Warnings Problems

The car is reporting service 4WD, they are saying the PTU is bad. Took it into the dealership today.

Our Jeep has had multiple accounts of shifting hard, hesitation while shifting, making a hard sound when putting in reverse and now it is having trouble starting up. When we charged the recently purchased (brand new) battery, the vehicle will start up but when placing in reverse it shifts so hard that it sounds like the bottom is dropping out. Now a lot of lights are shining on my panel; the check engine light, the forward collision light, the parking break light, the regular brake notification, the traction control light.....all shining up like Christmas lights. This is an ongoing issue and I feel a recall needs to be done. My car is over the warranty time frame and for a 2021 model that was purchased brand new I should NOT have to be replacing a transmission already and paying out of pocket expenses.

Driving a 2021 Jeep Cherokee Trailhawk on the interstate with cruise control engaged. All of a sudden the vehicle decelerates/downshifts and the display screen flashes "4WD System Unavailable Service Required" and "4WD Neutral Warning". Trying to cross traffic to get to the shoulder of road and almost hit due to deceleration. Press gas pedal and nothing. Traction control light flashes on. Coast cross traffic to shoulder side of the road. Shut off Jeep. Check for loss of fluids and/or parts. Check brakes. Nothing. No smoke. No burning smell. Turn vehicle on. Vehicle automatically engages parking brake. Shift off parking brake and shift vehicle into drive and it makes a grinding noise like its trying to shift into 4WD. Snow mode pops on as well as the FWD Collision light and traction control. Jeep ran just fine until this point and no prior incidents, no bad/hard shifting. NOTHING.

Bought used for my daughter in Jan 2023. Car had 30,290miles. The parking brake has been coming on while she’s driving. She is also getting a forward collision service message, as well as Lane assist service message. It’s gonna cost us $1K to repair. I hope this takes care of the problem. I don’t like my daughter driving a fairly new car with so many issues. The parking brake issue is very discomforting. Also the stop/start function is not working. The mechanic says a new battery will resolve this issue.