Which parts fail
Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2020 Hyundai Palisade owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2020 Hyundai Palisade. The contact stated that while his wife was attempting to close the trunk manual, there was an electrical shock where her hand came in contact with the trunk. As a result, the contact's wife sustained a minor burn to her left hand. The contact was a physician who confirmed that his wife sustained a second-degree burn and treated his wife for the injury. The contact was able to wrap his wife's hand. A dealer was contacted. The vehicle was taken to the dealer where the diagnosis was unknown. The vehicle was not repaired. The manufacturer was notified of the failure and opened a case. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The approximate failure mileage was 67,000.
The contact owns a 2020 Hyundai Palisade. The contact stated that the vehicle had been starting independently. The contact stated while the vehicle was parked in the garage for hours, the contact noticed that the engine was running. The contact stated that upon pressing the Push to Start button, the vehicle turned off. There was no warning light illuminated. The vehicle was taken to the dealer, where the failure could not be replicated, and the contact was informed that no failure was found. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 37,409.
The contact owns a 2020 Hyundai Palisade. The contact stated that the vehicle was consuming an excessive amount of oil. There was an oil-burning odor coming from the vehicle. There was a misfire coming from the engine before the vehicle stalled. The Auto START/STOP was activated while driving. The feature was turned off, but quickly reactivated. There were no warning lights illuminated. The vehicle was taken to the local dealer, who was unable to determine the cause of the failure. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 89,000.
The contact owns a 2020 Hyundai Palisade. The contact stated that while attempting to stat the vehicle, the instrument panel was inoperable. The contact stated that the screen on the instrument panel appeared blank with no warning light illuminated. The vehicle was taken to the dealer where it was determined that the instrument cluster had failed and needed to be replaced. The manufacturer was not made aware of the failure. The failure mileage was approximately 53,237.
I believe this is related to RECALL 235, Veh was parked on the street, thank god. The Palisade then spontaniusly caught fire, fire department had to be called and insurance company says its a total loss. Fire started in the rear driver side.
On Friday 6/28/24 I turned my vehicle on to drive to lunch. I put the vehicle in drive and started to move forward out of my parking spot when the following errors flashed on my dashboard in succession: "Check Forward Collision-Avoidance Assist System", "Check Lane Departure Warning (LDW) System", and "Check High Beam Assist System" and then the steering wheel locked while the vehicle was still moving forward. I put the vehicle in park, turned it off, turned it back on and there were no problems. On Saturday 6/29/24, the same series of events happened in the evening when turning the vehicle on from park. On Sunday 6/30/24 I turned the vehicle on in the morning and backed out of my driveway. When I put it in drive and started going down the road the same series of events happened again. …
I was driving through town at a low rate of speed (20-30 mph) with 2-3 car lengths between me and the next vehicle. I continued through light to next light. This distance was on an upward incline. After traveling approximately 500 ft, I noticed the traffic slowing in front of me and took my foot off the accelerator to start to slow down. This is when the car suddenly accelerated (instead of slowing down as would be expected when traveling up an incline), picking up speed quickly. The car's response happened so quickly that I was unable to swerve to avoid hitting the car in front of me. I hit the car in front of me that was slowing down at the light which then subsequently hit several other vehicles that were in front of it that were also slowing/stopped for the light. The front airbag deployed as a result of the collision, knocking my glasses off. …
This vehicle has suffered two identical, catastrophic electrical failures causing an immediate and total loss of engine power while traveling at highway speeds. The first incident occurred after the engine was replaced under a Hyundai extended warranty. The dealership service department blamed that failure on a loose engine ground strap and released the vehicle back to me. On August 3, 2026, the exact same failure occurred for a second time while driving at high speed on the highway. The vehicle lost all propulsion, leaving me exposed to oncoming traffic with zero engine power. The vehicle was towed to a Hyundai dealership. The dealership identified a blown "Sensor 4" fuse causing an intermittent dead circuit, but they have been unable to locate the short circuit after two weeks of troubleshooting. …
The instrument cluster seems to fail more so in the hotter weather. The speedometer, RPMs and gas gauge just stop working altogether. This seems extremely similar to the issues of other Hyundai vehicles that were recalled. The blind spot monitoring turns on and off as it pleases and there is a message that comes up sometimes that say it has been turned off due to electrical failure. The HDMI port in the counsel does not work but half the time so using android auto fails constantly. The radio signal is very poor in the car, resulting in static and high pitched noises on the stations and cannot use regular stations. There also is a huge oil consumption and oil burn smell and leak. This also seems very common for other Hyundai vehicles that have been recalled. Having to put 4-5 quarts in per month and only drive it maybe 1,500 miles in that time frame. …
My 2020 Hyundai Palisade experienced repeated instances of the engine cooling fan continuing to operate after the vehicle was completely shut off. In one instance, the fan ran for about 90 minutes after shutdown. After the vehicle was driven again, it ran for approximately another 45 minutes after shutdown. On a subsequent occurrence, the fan continued running until it discharged the battery enough that the vehicle would not start. Southtowne Hyundai in Newnan, Georgia subsequently diagnosed the cause as an internal PCB block failure and replaced the engine-room PCB block pursuant to Hyundai Technical Service Bulletin 26-EE-007H, which addresses battery drain caused by continuous cooling-fan operation after the vehicle is turned off. The dealer installed PCB block part number 91959-S8000-FFF. The failure was intermittent and did not occur every time the vehicle was shut off. …
Electrical complaints in other Palisade years
Frequently asked questions
How common are electrical problems on the 2020 Hyundai Palisade?
NHTSA has 46 complaints about the electrical system of the 2020 Hyundai Palisade, 9% of the model year's 541 complaints. The component named most often is instrument panel › speedometer/odometer › sensor/sending unit (1 mentions).
Is there a recall for 2020 Hyundai Palisade electrical problems?
No. NHTSA lists no electrical system recall for the 2020 Hyundai Palisade, though it has 5 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2020 Hyundai Palisade electrical problems start?
Half of the complaints with a recorded mileage happened before about 15,000 miles, and 60% before 25,000 miles.
Is it dangerous?
Owners linked 1 crash, 1 fire and 4 injuries to electrical system problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.