2018 Jeep Grand Cherokee: multiple warning lights

Filed Apr 21, 2026 · Electrical, Seats · NC

Electrical goes crazy when driving and parked , radio comes on, switches from AC to heat , on its own , calls people in my contact list , calls 911, screens goes blank at times , flashes on and off , heated seat on driver side gets way to hot , passenger seat ok so far , headlight keeps going out on passenger side fails to get it off heated seats at times or it freezes, it jumps from defrost to vent to floor , heat to AC , have to turn on AC when it rains to keep windows from fogging up. Hard to drive when it’s lighting up like a Christmas tree , radio won’t stay on same station , jumps from station to station , when on speaker phone it mutes the calls, or hangs up the person you are talking to. Navigation won’t work most of the time freezes up also.

Filed Dec 6, 2024 · Brakes, Electrical · IL

All-wheel drive is no longer working due to messages stating "service anti-lock brake system," "service air suspension immediately," and check engine light. All lights and cautionary messages came on at the exact same moment while coming out of park over a year ago. I have had the vehicle repaired twice, and the dealership says, "It is a wiring issue," but within a month after being repaired each time, the messages and issues begin happening again.

Filed Jul 25, 2024 · Acceleration, Brakes · NY

While driving, all the light on the dashboard come on. When this happens the speedometer is not working the windshield wipers come on. The emergency brake light is on, the car shifts out of gear and the turning signals don't work and the hazard lights won't work. This is all happening at the same time. I'm unable to inform people on the road that I'm in distress because my hazard light won't work I don't know how fast or slow I'm going. I can't inform the people on the road that I want to change lanes. Then after a while all the lights on the dashboard would go out and the check engine light would remain on for maybe two days and than go out. This problem has been going on since January I have paid thousands of dollars attempting to get this problem fixed. My car has been back and forth to the same Chrysler central Ave dealership where I purchased my 2018 jeep grand Cherokee to which I'm still paying for.

Filed Jun 26, 2024 · Driver assistance, Lights · CA

Driving home on dark, deserted roads, my brights will not click on. When I click, nothing happens. When I hold the turner back in the mode to “flash my brights”, the bright headlights will come on. I had to drive holding this back almost an hour so I could see. I had a mechanic look and he said the switch is wired to the computer, so it is not an easy fix, but will have to go to the dealership. This is a safety issue. Dealerships are far from me and expensive. I’ve never had this issue with a vehicle before, when all lights are functioning. It should be recalled and fixed by the manufacturer.

Filed Jun 24, 2022 · Airbags · 24,000 miles · IL · crash · 2 injuries

The contact owns a 2018 Jeep Grand Cherokee. The contact stated that while driving at 70 MPH, she rear-ended another vehicle. The air bags did not deploy upon impact. The contact hit her head and her left leg on the steering wheel. The other driver was treated at the scene for unknown injuries. The contact sought medical attention at the hospital; no injuries were treated. A police report was filed. The contact was instructed by the police officer that she was able to drive the vehicle home; however, several warning lights appeared on the instrument panel. As she attempted to resume normal driving, the vehicle downshifted upon the depression of the accelerator pedal; she then pulled over and had the vehicle towed to her home. The next day, the vehicle was initially towed to an independent mechanic; but was then towed to a second independent mechanic by her insurance where the vehicle was deemed a total loss. The manufacturer was notified of the failure and an investigation was performed on the vehicle; the investigation concluded that since the brakes were depressed, the vehicle was not traveling at a rate of speed for the airbags to deploy. The failure mileage was approximately 24,000.

Filed Jul 12, 2021 · MO

I bought a new 2018 Jeep Grand Cherokee a few years ago, but have had the same error message pop up a few times now that has me concerned. I keep receiving "Service Shifter" message. Check engine light stays on for a while (2-3 days) then eventually goes off. Took it in for service, which they kept for a little bit and allegedly fixed. A few months later, same message popped up again, but this time the engine wouldn't down shift, tachometer kept going higher and higher - had to pull of highway and restart vehicle for it to run correctly. Took it to dealership again, they kept the vehicle for a week, dealership had to get approval to fix under warranty (had to work on transmission). On July 5th, I was driving on highway, service shifter error popped up again, but was still driveable, or so I thought...About a minute later, a message popped up telling me to drive directly to dealership for service, if I turned the vehicle off, it wouldn't start again. I drove a little further to the next exit, turned blinker on and all the lights on the dash were flashing, blinker worked, but much slower. I drove to gas station and it started back up, but check engine light remained on for a couple of days. My brother traded his Jeep in for electrical issues, looks like I'll be doing the same, unfortunately. 38K miles and keeps acting up.

Filed Jun 17, 2021 · Electrical, Engine · 42,000 miles · FL

The contact owns a 2018 Jeep Grand Cherokee. The contact stated that several warning lights were illuminated on the instrument panel. The contact stated there was an abnormal knocking sound coming from the vehicle. The vehicle will disable a message was displayed and the vehicle shut off. The vehicle was towed to the local dealer and was diagnosed that the battery and fuse block needed to be replaced. The vehicle was repaired however, the failure recurred. The manufacturer was notified of the failure. The failure mileage was approximately 42,000.

Filed Jun 25, 2020 · Electrical · 49,508 miles · PA

Started out with having issues with the radio screen not coming on just the jeep logo would show up. Then it progressed to the screen and radio would restart as I'm driving and occasionally would make a loud beeping noise out of nowhere. Went to start my car and all the lights across the dash would flash and change colors (from a blue to orange) and the car will not start. Now nothing works at all on the car and I can't get the car to start. Car is completely dead.

Filed Dec 20, 2018 · Engine · 1,000 miles · IL

The jeep will restart after pushing the start/stop button. The RPM gauge will drop to 0 and then it will restart again and all the lights on the dash come on again like when you first start it. Sometimes it's right away and sometimes it takes sometime. I have had it in the dealership and they couldn't replicate the issue. There has been numerous times that it has restared and ran for a few hours in a parking deck. I am worried that if I park it in the garage the carbon monoxide might poison our family.*dt