2015 Hyundai Santa FE Sport Problems

What owners report

Owners of this model year most often describe engine trouble: knocking or rattling noises, stalling, and in many cases a shop concluding the engine needs replacement, often with low oil level or sludge noted. The next largest group is brake-related, largely tied to the ABS module recalls and warning lights, and some owners report slow oil consumption between services.

1. 1
   Engine

   Engine knocking, stalling or seizure (engine replacement)

   • 36 complaints (43%)
   • median 93,751 mi at 7.4 yrs old (21 state mileage)
   • 2 mention a crash, fire or injury
   • filed 2017–2026

   Complaints describe a ticking or knocking noise that grows louder with speed or acceleration, sometimes followed by loss of power, stalling, smoke, or a no-start condition. Owners say shops and dealers often found metal debris or sludge in the oil pan and told them the engine needed to be replaced; several mention being told maintenance records or prior software updates were missing. Some also describe the vehicle dropping into a reduced-power mode after a knock-sensor code. Spread across roughly 10,000 to 155,000 miles, with many reports between about 50,000 and 115,000 miles.

   2 related service bulletins

   What to check: Listen for ticking or knocking at cold start and under acceleration, check the oil level and condition, and ask whether the knock-monitor software update and any related service campaign were performed. Ask for maintenance records, since some owners were told they were needed for coverage.

   2 excerpts from owner complaints in NHTSA records

   “The engine seized while in motion after leaving the service department of Hyundai. The service department advised me to drive the vehicle as part of a consumption test. I was advised to come in each time the vehicle was 1 quart of oil low and after 4 times Hyundai would provide a new engine. After the engine seized Hyundai denied the claim.”

   NHTSA complaint #10993766, filed 2017-06, 43,544 miles

   “On tuesday april 9, 2019 my wife called me during her drive to work and told me her car was running very rough while traveling to work on a local ny parkway. She said the check engine light also came on. When she came home I tested the obd and saw that the reader said the code was p0302 which signifies a #2 cylinder failure. I was able to bring the car to a repair shop yesterday. The repair shop just called and said the #2 cylinder has no compression. …”

   NHTSA complaint #11196999, filed 2019-04, 133,000 miles
2. 2
   Brakes

   ABS warning lights and brake module / pump concerns

   • 18 complaints (21%)
   • median 62,823 mi at 7.0 yrs old (6 state mileage, few)
   • filed 2020–2026

   Complaints describe the ABS, downhill-assist, traction or brake warning lights staying on, sometimes with a mushy pedal or a humming noise from the front passenger side and smoke near the ABS pump area. Many mention the ABS module or pump needed replacement, and several describe recall repairs being delayed because parts were not available at the dealer. Mostly reported between about 30,000 and 85,000 miles, with some at lower mileage.

   Recall 21V303000Recall 20V520000

   What to check: Check that open ABS-module recalls were completed and whether the ABS light stays on after the recall work; ask for receipts and note any humming from the ABS area.

   2 excerpts from owner complaints in NHTSA records

   “For a few months- the ABS light, Downhill assist light, and Slippery road light have all been on. Read it could be due to a bad sensor. Then on Saturday July 4th, I turned the car on and the Ebrake light was on but my ebrake was NOT initiated. Car was making a low humming noise on front passenger side of vehicle as well. I read the ebrake light could come on due to low brake fluid, so I wanted to drive it around the block to further try and diagnose the issue. …”

   NHTSA complaint #11749067, filed 2026-07

   “The contact owns a 2015 Hyundai Santa Fe Sport. The contact stated that the ABS warning light was illuminated. The vehicle was taken to the local dealer to be diagnosed. The contact was informed that the ABS module needed to be replaced. The vehicle was repaired. The manufacturer was not contacted or informed of the failure. The failure mileage was 58,646”

   NHTSA complaint #11440465, filed 2021-11, 58,646 miles
3. 3
   Engine

   Sudden loss of power / stalling while driving

   • 25 complaints (30%)
   • median 85,000 mi at 7.3 yrs old (17 state mileage)
   • 2 mention a crash, fire or injury
   • filed 2018–2026

   Complaints describe the vehicle losing motive power or shutting off without warning while driving, sometimes at highway speed, with difficulty restarting afterward. Owners report dealers checking for software updates, diagnosing engine faults, or being unable to reproduce the problem. Mostly between about 35,000 and 148,000 miles, at various speeds including highway driving.

   What to check: During a test drive, note any hesitation or delayed acceleration; ask whether the engine-control software updates and any service campaigns have been applied.

   2 excerpts from owner complaints in NHTSA records

   “I bought the 2015 Hyundai Santa Fe yesterday evening. Upon leaving the dealership I promptly broke for a car in front of me. Immediately the vehicle turned off completely. I put the vehicle in the park and attempted to start the vehicle back up. The vehicle would not start up and begin leaking a prominent scent. Following this, white smoke with the same pungent smell was coming from the engine. I propped the hood and saw the smoke continue to release. I then motioned away from the vehicle and called for a tow truck. …”

   NHTSA complaint #11676337, filed 2025-07

   “Vehicle completely turned off when driving on the highway occurred 2018 vehicle has engine and electrical problems doesn't turn on even after car was jumped with cable 3/31”

   NHTSA complaint #11192728, filed 2019-03, 85,000 miles
4. 4
   Engine

   Excessive engine oil consumption

   Mentioned in 6 of 60 sampled complaints

   Owners describe adding oil frequently between changes, in one case about a quart every few hundred miles, and say dealers ran oil-consumption tests before discussing repairs. Some link the low oil level to later engine noise or failure, and others report coolant level dropping between services after engine work. Reported from about 43,000 to over 120,000 miles; one owner noted it from around 10,000 miles.

   2 related service bulletins

   What to check: Ask for oil-change records and how much oil the car uses between services; check the dipstick level and look for oil residue or smoke at the tailpipe.

   2 excerpts from owner complaints in NHTSA records

   “The vehicle suffered a severe engine overheating failure that created an immediate fire risk and electrical safety signaling failure. A brand-new replacement engine was installed by an authorized dealership in April 2026 under a goodwill warranty and had only been driven ~ 3,100 miles since installation. While operating the vehicle, the air conditioning suddenly stopped functioning. …”

   NHTSA complaint #11756640, filed 2026-08

   “Dealer failure to to remedy engine replacement under settlement. I am entitled under the March 1, 2022, Settlement Agreement (the “E2 Settlement”) due to recurring Theta II engine failures caused by the oil-starvation/connecting-rod bearing defect. Vehicle stalling on highways and heavy traffic, Repeated codes and failures of MAP sensors, VVT solenoids, camshaft position sensors, starters (×3), batteries (×2), turbo wastegate, fuel pump, EVAP canister, thermostats/housings, etc. …”

   NHTSA complaint #11706574, filed 2025-12

Buying note. Have a pre-purchase inspection focus on engine noise, oil consumption and the ABS warning lights, and confirm whether the brake-module recalls and any engine software updates were completed. Records of oil changes and recall work are worth asking for.

Summary written with AI from a sample of 60 NHTSA complaints for this model year (picked at random, with complaints that state a mileage and recent ones taken first), then checked automatically against the source records. Where a problem shows a complaint count, every complaint for this model year was matched with fixed keyword rules (written with AI and tested against the sample), and the mileage, age and repair figures are calculated from those complaints; owners' figures are as stated, not verified. Other counts refer to the sample. The excerpts come from NHTSA's public complaint records and are unverified; capitalisation is normalised, NHTSA staff notes are removed, and shortened text ends with “…”. Something wrong? Request a correction.