2021 Kia Telluride electrical problems

Filed Nov 2, 2026 · Electrical · SC

The engine cooling fan remains on after the vehicle is switched off. After disconnecting the negative battery terminal for hours and even days, as soon as the negative battery terminal is re connected, the fan turns back on without the ignition being switched on nor the key in the vicinity of the vehicle. As of right now the vehicle can not be used as a daily driver and the car is just sitting in the yard with the negative battery terminal disconnected. This could ultimately be a fire hazard if left unattended and or drain the battery life. This is the second time this has happened. The first time (July 2026), we took it into a shop and the car would never act this way. This was a week after leaving the car in the yard with the negative battery terminal disconnected. We had to wait for an appointment. The technician could never get the car to act up and there were no active codes. Now, 3 months later, we are having same issues again. I see online where this is easily a $1000.00 repair. I believe this should fall back on the manufacturer for faulty parts and a fire hazard and inconvenience

Filed Oct 8, 2026 · Electrical, Engine · AZ

Vehicle was sitting all night and entered the garage in the morning and found the radiator fan at full speed. Car was not running, so backed it out, turned it off and the fan turned back on. Took it to a KIA dealer and kept it for a few days and just stated they couldn't duplicate the issue, although I couldn't get them to tell me technically what they checked. I kept the car parked outside for fear there might be an electrical issue and something overheats. Then was recently out and came out to my vehicle to find the fan running again. This time took multiple videos and it now consistently doing it. Took it home for the evening and disconnected the battery, and in the morning as soon as I reconnected the battery the fan started up to full speed again. Dropped it off to another KIA dealership and it was still doing it and showed it to the service advisor and gave him the videos. They are currently looking at it now. Also, there were never any warning lights or alarms that anything was wrong. There are so many postings out there on this issue on forums, FB, Telluride sites, etc., that I'm shocked there isn't at least a KIA TSB on this problem.

Filed Sep 17, 2026 · Electrical, Seats · NY

My wife and I purchased a 2021 Kia Telluride brand new a few years ago when we lived in [XXX]. We are currently active duty USAF and brought our KIA Telluride with us here, while stationed in [XXX]. The vehicle is currently under two recalls SC316R and SC374 and is a fire risk. Under these types of recalls, vehicle shipping companies will not transport vehicles on their boats. We know this because we had to have two recalls (SC247F and SC243B) completed before we could have our vehicle shipped from the [XXX] to [XXX]. I am looking for assistance on how to have recalls and warranty service during our assignment here in [XXX]. We've reached out to Kia, opened 3 customer service cases, and have talked to them shortly to try to setup a repair. Then Kia stops communicating and ignores our calls and emails. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Sep 15, 2026 · Electrical · CT

The problem first occurred at the end of May 2026. The digital instrument cluster completely stopped working while driving, cutting off all FMVSS 101 compliance indicators including the speedometer, fuel gauge, engine temperature, and RPMs. This problem has persisted on and off since May 2026. This is a huge safety concern because I am unable to determine my vehicle speed, etc. while driving. The issue occurs without warning and completely affects my ability to safely operate the vehicle. I took it to the Kia Stamford, CT dealer on June 5th and they were unable to replicate the problem saying when they turned the car on the instrument cluster was functioning normally. They said they "hard reset" it at that time. The very same day after leaving the dealership, the problem occurred again and has occurred intermittently ever since

Filed Jul 31, 2026 · Driver assistance, Electrical · PA

While driving this vehicle in route to Philadelphia airport JFK, i experienced a total malfunction of the instrument cluster. All of the warning lights continued to go on and off and were illuminating on the cluster non stop along with a audible chiming, all of wich lasted the 3 hour trip. The car is available anytime. Warning lights/alarms were not only distracting but affected the spedometer which would shut down totally. No dealer or service center has been contacted yet.

Filed Jul 28, 2026 · Electrical, Engine · KY

CATASTROPHIC FAILURE TIMELINE (13 DAYS) XXX: Delivery taken at 105,439 miles.XXX: My boyfriend noticed a cloud of smoke from exhaust as I pressed the accelerator pedal to leave the parking lot. I didn't notice because it was almost dark outside when leaving. He didn't notice again so he didn't stop me and told me when we got home. XXX (Day 12): Check Engine Light (CEL) on. Dipstick found dry. 2 quarts of oil purchased and added. Which brought the level right above the L line. Sent texts to both salesmen (Freedom and Driveway). Went to work in [XXX]. XXX (Day 13): Got home with Odometer: 106,974. Plugged Code reader into the vehicle and got Code P0597 logged at 1:04 AM. Tried both salesmen again through texts, email and or call. Have yet to get a reply from either. XXX posted review updates on both of my previous posted reviews for Freedom and Driveway. Received my first response from the Driveway review team only. XXX rear brake pads had been cutting into rotors a few days prior. I had to purchase a tool and pads to replace. XXX Documented loss of an additional 4 quarts of oil across 4 dates. XXX subscribed to Kia connect and the app also detected issue fault code P0597. And at a later date the app detected a 2nd fault code P0598 which went away a couple days later. May 14th finally got a hold of Justin Grable (GM Freedom) to discuss options. XXX trade-in is only option being given to me. DOCUMENTED DEFECTS & ROOT CAUSE Code P0597 (Thermostat Heater Control/Open): An electrical/mechanical failure that caused internal engine "hot spots." Engine Failure: Pre-existing piston ring tension loss causing catastrophic oil consumption (1 quart/wk). Consequential Damage: Chronic oil burning will poison the Catalytic Converters and foul all Oxygen (O2) Sensors. As of XXX my vehicle is now consuming 1 qt/day. ac is not working and now giving me 6 codes for engine light. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Jul 27, 2026 · Brakes, Electrical · VA

The Telluride was parked in my driveway on a hill. When the car was started by pushing the ignition all of the lights on the dash panel started flashing. The car was shifted into reverse to back down the driveway however the brakes didn’t work. We captured this on video via CCTV footage. You can see the vehicle reversing and the brake lights are on as the pedal was pushed but not responding. As the vehicle went on to a lesser slope it slowed some but was about to crash into my neighbors home when the parking brake button was pushed and the vehicle came to a stop. The evening prior when starting the car on a flat surface the lights all flashed upon starting but the vehicle had operated normally.

Filed Jun 24, 2026 · Driver assistance, Electrical · IL

Bought car on a Saturday (6-20-26)and that night noticed the drive mode was broke and the forward Collison is broke and will go on and off. Dealership said they did the whole inspection on the car before they put it on the lot to sell. Also, oil was extremely low when I left the lot and had to go back for an oil change. Took it to them on 6-22 to repair and have had to call to ask about my cars status when they said they would call me. Never would get an answer as to what was going on.

Filed May 25, 2026 · Electrical, Engine · TX

I own a 2021 Kia Telluride with approximately 111,000 miles. I initially brought the vehicle to a Kia dealership for an oil consumption issue and engine noise. The dealership diagnosed and repaired a timing chain and tensioner issue, stating the vehicle was “working properly” upon return. After picking up the vehicle, I immediately began experiencing electrical warning lights, including the battery warning light and system alerts (blind spot and general warning indicators). I returned to the dealership, where they performed diagnostic testing and indicated a potential alternator issue, but stated it was in a “borderline” range and that the vehicle was safe to drive. Shortly after leaving the dealership, while driving with my family in the vehicle, the electrical system began to fail. Multiple warning lights illuminated, and the vehicle lost electrical function while in motion. The vehicle ultimately became completely inoperable and shut down in a parking lot, creating a serious safety concern. Prior to the dealership visit and repairs, the vehicle had no history of electrical issues, warning lights, or charging system problems. The dealership later acknowledged that the alternator issue was not present when the vehicle was initially brought in. I am submitting this complaint due to the sudden and complete electrical system failure while driving, which posed a significant safety risk. The progression from no prior symptoms to total failure immediately following dealership service and diagnosis raises concerns about vehicle reliability and potential safety defects related to the charging system.

Filed May 13, 2026 · Electrical, Engine · NY

I am submitting this complaint regarding my 2021 Kia Telluride experiencing repeated and dangerous electronic system failures while driving. Kia of East Syracuse (NY) diagnosed the issue as related to the backup camera assembly and communication/network failures. While driving, the vehicle experienced loss of power steering assist, instrument cluster failure, speedometer malfunction, incorrect gear indication, backup camera activation while driving forward, blind spot warnings activating incorrectly, flashing/blank temperature display, and multiple driver assistance system failures. The speedometer displayed 0 mph while the vehicle was in motion and later displayed approximately 40 mph while stopped at a traffic light. The vehicle also became stuck in reverse while backing out of my driveway and would not shift properly, leaving the vehicle stopped in the roadway. Multiple safety systems malfunctioned simultaneously, including Blind Spot Collision Avoidance Assist, Lane Following Assist, Rear Cross Traffic Collision Avoidance Assist, Smart Cruise Control, Parking Distance Warning, and Forward Collision Warning systems. The dealership documented multiple fault codes and stated the dashboard lit up “like a Christmas tree” while the instrument cluster stopped functioning entirely. These failures create a serious safety risk because critical driving information and driver assistance systems become unreliable or inoperative while the vehicle is moving. The failures occur unexpectedly and without warning. Photos and video evidence have been retained, including video of the backup camera activating while driving forward and the speedometer malfunctioning while the vehicle was in motion. I am asking the federal safety agency investigate these failures as a potential safety defect involving the camera system, instrument cluster communication systems, and CAN network communication failures in the Kia Telluride.