2015 Jeep Cherokee power train problems

“SVC 4 WD Warning Light always on. Several diagnostics bring me to the PTU needing replaced. I am told by the dealer that the part alone is upwards of $2500 and is a severe warning that the vehicle will just stop functioning and place a whole lot of vehicles and passengers in an unsafe situation. I am now afraid of the vehicle and am not even finding a recall for this issue that is affecting many, many vehicles of this model.”

“Whilst driving on the highway at approx 65mph there was a clunk from under the car, followed by lack of acceleration, smoke was coming out from under the hood. We were unable to pull onto the shoulder immediately due to highway construction. We eventually pulled over and stopped the vehicle. We immediately popped the hood to check the source of the smoke and there was a fire coming from behind the engine with visible flames. The flames were burning and we could smell a strong chemical / oil burning smell. Fortunately we had a fire extinguisher and extinguished the flames quite quickly. We were towed off the highway and our insurance then towed us home. On inspection it was determined that the transfer case (PTU) had failed causing a catastrophic failure and a fluid thermal event caused by pressurized, superheated oil directly spraying onto the scorching exhaust pipe sitting right behind the engine block, triggering the immediate underhood fire. There were no warning lights on the dashboard and the car had been meticulously maintained. As serious PTU failures are common in 2015 Jeep Cherokees, I reported this immediately to Jeep, they sent a technician to…”

“The contact owns a 2015 Jeep Cherokee. The contact stated that while driving at an undisclosed speed on multiple occasions, the vehicle suddenly decelerated and entered Limp mode. Concurrently, a warning light illuminated with a message reading "Service Transmission." The contact stated that turning off and restarting the vehicle temporarily reset the system to normal operation; however, the failure recurred approximately 10 minutes later. The vehicle was taken to an independent mechanic who performed a preliminary diagnosis and identified an internal transmission sensor failure. The independent mechanic indicated that a definitive diagnosis required extensively dismantling the transmission assembly. The failure mileage was 175,000.”

“My jeep has the PTU with the extended warranty due to known failure. Wednesday September 30th I was driving on a highway. I heard a loud bang and my vehicle slowed and stopped moving. My dash lights lit up and told me to put the vehicle in park and turn the vehicle off. The problem was it didn't want to move off the highway! If someone had been behind me I would have been rear ended with my child in the car. This is unsafe. I had the software update from the recall for this. When the PTU failed collateral damage was the rear differential. It's very scary and I thank God I wasn't on the way to one of my children's specialist appointments as instead of going on the highway I would have been on the interstate.”

“The component involved is the Power Transfer Unit (PTU) / four-wheel-drive system on my 2015 Jeep Cherokee Trailhawk. The vehicle has experienced four PTU-related failures. The most recent replacement was a brand-new genuine Mopar PTU professionally installed in October 2025. The vehicle and repair records are available for inspection upon request. The failures created a safety concern because the PTU is part of the drivetrain and four-wheel-drive system, and the repeated failures left the vehicle unreliable and at times undrivable. The vehicle required towing and could not be safely relied upon for normal operation. I am concerned that another PTU failure could result in loss of drivetrain function or other unsafe operation while driving. The problem has been confirmed and addressed by both independent repair facilities and an authorized Jeep dealership. Atlantic Shift Transmission replaced the PTU and documented catastrophic PTU failure and related drivetrain/transmission damage. After the new Mopar PTU was installed, an authorized Jeep dealer performed programming, diagnostics, and approximately 91 miles of test driving, but the four-wheel-drive problem…”

“The contact owns a 2015 Jeep Cherokee. The contact stated that while driving 45 MPH, the transmission independently shifted to neutral(N). The power train warning light was illuminated. The dealer was contacted by phone and made aware of the failure. The vehicle was taken to the dealer where it was diagnosed with range sensor failure. The contact was informed that the range sensor needed to be replaced. The vehicle was not repaired. The contact referenced an unknown recall; however, the VIN was not associated with a recall related to the failure. The manufacturer was contacted by phone, and a case was filed. The failure mileage was approximately 132,000.”