Automatic Transmission Control Module problems of the 2017 Jeep Cherokee

The contact owns a 2017 Jeep Cherokee. The contact stated that while her husband was driving, the vehicle locked up. While attempting to accelerate, it failed to drive above 25 mph. The contact pulled over and restarted it, but it failed to move forward or in reverse. The check engine light was flashing. The vehicle was towed to her residence. The vehicle was towed to the local dealer, where they were unable to determine the failure. The vehicle the vehicle was towed to a transmission shop, where they informed her the failure was due to the differential  and tcm module and referred her to a dealer. The manufacturer was contacted and referred her to the dealer. The failure mileage was 68,177. The contact stated that the failure was related to NHTSA campaign number: 23v302000 ( power train).

The contact owns a 2017 Jeep Cherokee. The contact stated while driving 65 mph and releasing the accelerator pedal, the vehicle made abnormal banging sounds and lunged forward. There was no warning light illuminated. The contact was able to continue driving. The vehicle was taken to the dealer, where the tcm software update was completed under a recall; however, the failure recurred. The vehicle was taken to a second dealer, huntington - ram (5080 e jericho turnpike, commack, NY 11725), where the tcm software update was completed; however, the failure persisted. Additionally, the contact stated that the rpms revved up to 5,000 while in adaptive cruise control mode. The contact shifted into gears, and the vehicle responded as needed. The dealer was contacted and informed the contact that he would need to leave the vehicle at their possession for diagnostics tests. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that the tcm software update was the adequate remedy. The failure mileage was approximately 88,000.

W84 powertrain software- July 30 2022 jerry seiner casa grande dealership technicians inspected and reprogram the pcm and tcm software and closed the recall but 2 months later all the lights on my dashboard came on check engine light service shifter park brake etc. I went back to the dealership and the advisor told me to go to the dealership where I bought it from. I ended up going to larry miller Chrysler Jeep avondale in arizona. The vehicle was braking on its own while driving high speeds on the highway and while driving I almost crashed. My vehicle was in and out of the dealership many times and the technicians didnt seem to know what was wrong with the vehicle. Almost 6 months after the initial problem it seems its fixed. 01/13/2023 was the last time I had to return because the dashboard lights were turning on after driving the vehicle an estimate of 100 miles.

When driving my Jeep the dashboard will randomly give me a warning to service my shifter and all of the lights on shifter will go red. I have to turn my Jeep off and back on for the lights to go back to normal. I have had to replace the power transfer unit due to the 4 wheel drive not working anymore. I took my car into the dealership to the pcm w84 recall and two weeks later my transmission fluid exploded and the engine was smoking. Had to replace the heat ignition coil and the inlet hose. Paid $2,000 to repair and a week later my check engine light came on and now my car is overheating. Took it to the dealer and they added coolant and said it was an air bubble in the coolant. A couple of days later the issue happened again, took it in two more times and they filled the coolant, but now saying that the cylinder head gasket needs to be replaced which is another $1,700.

Hello, in March I received a performed recall w84 for my 2017 Jeep Cherokee. A recall w84 the pcm and tcm modules. Since then I have had on the cluster a warning light which came on stating 'service shifter'. When this happened, all the lights on the shifter turned red. This happened when driving. This was a intermittent issue that was becoming more consistent. I went to mckevitt for reparation. It costed me $735! $360 for diagnosis, $120 for parts and $235 for labor!.

At 9000 miles the "service shifter" light came on and took to dealer as a mechanic told me do not put in park. At 40,000 miles it came on again and was told the tcm had a recall ,,and if it happened again bring back about 3 weeks later it came on again and is still in shop. Now I am worried after a mechanic told me it can lock up the transmission and cause the vehicle to crash,,, I dont feel safe driving the vehicle any lonker,, and am worried for my self and family.

At 9000 miles the service shifter message came on while driving from carthage to galveston texas contacted a local dealer and was told dont place in park to take it to the dealership drove it back to marshall texas to dealership and they said they were having problems with the shifter so replaced the entire shifter. . At 40,000 miles shifter light again took to dealership in carthage and said they fixed the tcm to transmission. Now at 49000 it has done it again,replacing the wiring harness from shifter to transmission. Been in shop for a week still no word . The service shifter comes on evey time it is cranked.

Around 10000 miles my Jeep started having a bucking/jerking feeling when accelerating or slowing down while driving. I took it to the dealership at 18000 miles. The dealership was aware of this concern and did a tcm quick learn (12 June 18). On 19 June 18 same problem dealership is calling it harsh up shift and down shift more in lower gears while driving. Dealership verified concern with test drive and replaced the valve body. Then 25 Jun 18 check engine light code: u0402 another tcm relearn. On July 14 same shifting issue while driving on interstate and July 15 check engine light came on. I took to another dealership July 16 because I am on vacation same code u0402, tcm relearn. Transmission and pcm codes. Service manager said safe to drive. While driving same day to another state on vacation same shifting issue. This vehicle is unsafe! consistent shifting problems, concerning the transmissioin while driving. I have two children every-time I get the Jeep back the dealer says it is fixed it is not and the transmission issues are a safety concerns. Driving 70 mph on an interstate with a transmission that can have shifting concerns at anytime when slowing down or speeding up is a huge risk to everyone on the road. This vehicle should be recalled.