2021 Chrysler Pacifica Electrical System Problems

Had two different electric coolant heaters fail in just over 2 years. One at 36,000 miles and one at 72,000 miles. Each time it has failed it results in a loss of cabin heat which prevents me from being able to use the defrost capability and heat my minivan that I bought to drive my 4 young children around.

The Electric Coolant Heater (ECH) failed (Error Code P0E15), which is a critical component of the High Voltage Battery Thermal Management System. This failure disabled the vehicle's hybrid propulsion system and prevented the vehicle from operating in electric mode. This is a documented systemic issue (Ref: TSB S2208000203) that affects the driveability and safety of the vehicle's hybrid powertrain.

I am reporting a safety defect involving my 2021 Chrysler Pacifica Hybrid. The vehicle experiences repeated hybrid system failures, including “system charging” errors, rapid battery depletion from full to zero within minutes, and vehicle stalling. These failures have occurred multiple times, even after dealership repair attempts. The vehicle has stalled and been towed more than once, most recently on September 26, 2025. Now, today, January 20, 2026, the vehicle has once again stalled and will have to be towed for the third time since purchasing in August 2024. This has left us stranded once again. This is a serious safety concern, especially given the risk of stalling while driving. I transport elderly family members and depend on this vehicle for medical appointments. I am requesting NHTSA document this issue and review whether this represents a broader safety defect.

Went to start vehicle and it was possessed. Would not turn over. Wipers lights everything was going off. Could not get it out of a/c mode. When hooked to a computer at mechanics it can only read two modules. ECM is malfunctioning.

While driving my vehicle soon after purchase I notice an engine light on along with a huge fan noise from under the hood. Addressed the issue with dealer they diagnosed the car and so called fixed the issue. about a month ago I’m driving the car on a residential street and noticed the car jerking loud fan noise and the whole dashboard light up saying service hybrid service engine and transmission.. Suddenly the engine stops in moving traffic. The vehicle windshield wipers cut on by themselves and the car stayed in park.. tow the vehicle to the dealer using only a dolly tow truck due to vehicle unable to be placed in neutral. Dealer calls to give update and noted no codes were stored and there is currently no issue with vehicle..He suggested to keep the vehicle longer to see if the problem returns. I’m afraid the electrical issue that is going on with this hybrid will cost me and my children life one day. this vehicle is not safe to drive and I am stuck in a purchase contract.

When driving our van from Nashville to Memphis, we were 2 hours from home when we received an on screen alert stating “Stop Safely - vehicle will shut off soon”. This was in a construction area with little to no shoulders to pull the vehicle over as power loss began to occur. We contacted Chrysler for help but the nearest dealership told us the earliest they could see the vehicle was 3 weeks from Tuesday. I had 3 children in the car ages [XXX}. A web search for this shows how prevalent this issue is with several blogs and Reddit forums indicating a problem. The NHTSA even has an open investigation into this specific issue. Apparently the only fix is a full transmission replacement, but we have no assurance from Chrysler that will happen and now our van is left 3 hours away in Memphis as we had no choice but to leave there. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) https://www.outmotorsports.com/2024/12/chrysler-pacifica-hybrid-stop-safely/

The side back doors do not work all of a sudden when you push the button on the vehicle frame inside of the van. This is on both sides of the van. They will only shut by pushing buttons on the outside door handles. Also, the windshield wipers will only work on high. There is no intermittent, low, or medium speed working.

While driving 70MPH on the expressway the dash randomly sent a message saying “Pull over vehicle shutting off” and then it put itself into limp mode. Thankfully we were able to coast to the small shoulder and put on our hazards. This happened at 2am with 4 kids in the car. Nothing in the car would work, it wouldn’t turn on, shift, nothing. We had to sit on the side of the expressway for hours waiting for a tow. While waiting it had the check engine light on, limp mode light, and messages to service hybrid system & plug in battery for reconditioning. It is waiting to be serviced, but there is a very limited amount of techs that will service it due to being a hybrid.

1. This vehicle was recalled for a software update due to the rear camera failing to operate at times. The software was updated by the dealer. However, this did not completely fix the problem. While the camera fails less frequently, it still does not energize at times. I took the vehicle back to the dealer. I was then informed that there is water intrusion into the rear lift gate, which causes the electrical to short out. I was told that I would have to replace the wiring harness which energizes the camera as well as the rear vehicle lights. I have not noticed any problem with the lighting as of yet. However, I have been told that this is a problem with the Pacifica in general, as well as the Durango. I was told that replacing the harness would not guarantee that the problem would be solved as there would still be water intrusion, which could cause the problem again, even with replacing the harness. This is obviously a safety issue, as the camera fails to operate at times, and there is a potential of losing lighting on the back of the vehicle. This is also a known defect by Chrysler. 2. When using the Adaptive Cruise Control on streets and highways with multiple lanes traveling the same direction, the vehicle will brake suddenly and hard when the vehicle in front of me changes lanes. This occurs after the vehicle in front of me has completely changed lanes and is not impeding my forward progress whatsoever. My vehicle speeds up to the set speed and then violently brakes as if it is about to crash into the vehicle ahead of me, even thought the lane is completely clear. The vehicle has been inspected for this scenario. I was told that it didn't perform as described above when the technician drove it. This is a safety issue as the vehicle suddenly and violently brakes at highway speeds, with traffic behind me.

The emergency brake came on while I was driving

While driving home with my children in the vehicle. When coming to a turn, the vehicle completely turned off without warning while I was doing about 35 MPh.

My Pacifica completely shut down. All the warning lights came on such as crash detected, ABS light, and the windshield wipers came on. The vehicle was towed to the dealership that I bought the vehicle from. They completed a hard reset of the vehicle, and I took it home. Two days later it did the same thing all the lights came on, but it allowed me to drive it to the dealership. Still waiting to see what they think the problem is this time.

On 12/20/2024 my wife was driving about 20mph on a road and with no warning lights or messages the vehicle completely shut down. Nothing would work on the vehicle. She could not even put my hazard lights on or put the vehicle in neutral to move out of the roadway. The vehicle blocked traffic for an hour. It was fortunate the car behind did not hit our vehicle and also that my children were not in the car with her. The police assisted in redirecting traffic around the vehicle but they also were unable to get anything working. A tow truck towed to the dealership to assess what's going on. There was absolutely no warnings or previous instances or issues which makes this extremely dangerous. At only 20mph the car still significantly jerked when it came to an abrupt halt.

Two things: my auto start/stop often shuts off, and the display reads: "Auto stop/start is disabled/hood open," though it's not. I also often get a "Service Stop/Start system" notification and the car will require a restart before it will allow me to shift it back into gear and turn off parking brake.

I was driving in the highway with both of my kids in the car. We were driving from Ohio to Alabama. While on the highway, the vehicle shut down into a disabled mode and displayed the message “stop safely, vehicle will shut off soon”. It did this a total of 5 times on our trip down to Alabama.

We noticed our van having issues getting stuck in gear and then jerking to get out of the gear. After doing further research it seems to be a common issue in 2021 Pacifica vans. The next issue is electrical. Our van rear door opens if we are too close to it with the keys and now the sliding door will not open. They just fixed a recall regarding the entertainment system and back up camera. The entertainment system is still having issues. When we start the car up the system will reboot itself.

The battery coolant is leaking from the rear of the vehicle

The ESS battery fails constantly and manufacturer will not find problem and just replaces battery. When the ESS battery fails it drains the main battery which then leaves the driver and its occupants at risk of being stranded. The transmission is an electronic transmission and if the battery fails while driving that could compromise the occupants also. We have had to have the battery replace twice and a third time tomorrow 9/21 if the dealership will "fit" us in. The ESS system will tell you it is unavailable but only after the battery has failed.

My car has the 03A recall, and had the software update in March 2024. In Summer 2024, I got the red turtle, "Stop, pull over. your car is going to stop" warning, my car stopped moving, etc. I was able to get it restarted and CEL came on and has been on ever since. I took it in for the open recalls (66B), and state inspection, as well as the liftgate recall that was performed by the dealership but the liftgate has never worked since then. They stated that all the recalls except 66B were completed and when I asked why I had gotten the STOP NOW message after the software "fix" was done, they had no answer. I provided them with research stating that Chrysler had issued an unlimited lifetime warranty for these transmissions, since that is where the short is located that is causing the cars to stop. They have insisted since then that the transmission isn't the problem; that my hybrid battery is the problem. I have had no issues that would indicate the battery is the problem, but plenty to indicate the transmission is the problem. My car's been in the shop since March 17, and it is April 27. The new battery was supposed to be in on April 10, but there is still no ETA. I have a STAR case and a case open with Customer Cares, who has been absolutely no help in getting this problem actually fixed. Despite my providing the dealership and Customer Cares the necessary information stating that the new transmission is the only repair that will stop the car from stopping randomly, endangering myself and my family and other people on the roads, they continue to encourage me to "trust the engineers" and let them replace the battery. They are REFUSING to fix the issue, and I will not drive that car until it's properly fixed. This transmission issue is creating death traps and there is a known fix that even Chrysler has acknowledged by issuing lifetime warranties on the transmissions affected by this recall, yet the dealership and Chrysler Cares refuses to perform the fix for it.

I was backing out of the driveway. I had all the safety features on, and I was checking my surroundings. Typically, the blind spot and front sensors would alert me to dangers. However, on this and many other occasions the warnings didn't alert me to danger on my passenger side that I couldn't see. this resulted in damage to the front quarter panel of my van as well as damage to the bumper. The body shop said it would cost at least $5000 to repair the damage. I can't afford that; in turn I am driving around with the damage.