2014 Hyundai Sonata cruise control problems
severe Owners of the 2014 Hyundai Sonata have filed 14 NHTSA complaints about the cruise control, typically surfacing around 71,000 miles at roughly $600 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See cruise control across all vehicles →
| Model year | cruise control complaints |
|---|---|
| 2010 Sonata | 10 |
| 2011 Sonata | 50 |
| 2012 Sonata | 47 |
| 2013 Sonata | 53 |
| 2014 Sonata (this page) | 14 |
| 2015 Sonata | 37 |
| 2016 Sonata | 15 |
| 2017 Sonata | 15 |
| 2018 Sonata | 11 |
The failure pattern owners describe
Owners describe a 2014 Sonata with two clusters of critical problems. The first involves unwanted acceleration: vehicles accelerated on their own at various speeds, from parking lots to highways, sometimes requiring a shift to Park to stop. One owner also reported cruise control re-engaging unexpectedly after brake application during city traffic, trying to accelerate when the brake was released.
The second cluster centers on power loss. Multiple owners experienced sudden loss of acceleration, particularly between 40–60 mph on highways, forcing them to limp home or pull over. One owner reported this occurring just 9 miles after picking the car up from a dealership following five recall campaigns.
Engine durability is a third concern. Owners reported loud knocking, smoking on startup, and metal flakes on the dipstick—signs of internal engine wear. One hybrid model at 105,000 miles developed the same symptoms as the recall-related 2.4L engines but wasn't covered by existing recalls despite all maintenance performed.
A few owners also reported stability issues: one experienced hydroplaning at 75 mph in heavy rain; another's vehicle lurched forward during parking, crossing a curb and striking shrubbery. One hybrid owner described uncontrolled deceleration from 75 to 10 mph with a hybrid system warning message in highway traffic.
Dealers often couldn't diagnose these issues or took weeks to respond. One owner's vehicle sat in a dealer lot for 2 weeks after a collision related to the parking incident.
Same Hyundai Sonata cruise control reports on nearby years: 2011 · 2012 · 2013 · 2015 · 2016
Failure modes owners describe
Unintended acceleration
Vehicle accelerated on its own without driver input, or continued accelerating despite brake application. Owners had to shift to Park or apply brakes forcefully to regain control. Occurred at various speeds including low-speed situations like parking and gas pumps.
When: 3,800 miles; also reported at various speeds without specific mileage
Symptoms owners cite: Vehicle accelerates without pedal input; Continued acceleration despite brake pedal applied; Required shift to Park to decelerate; Occurred at parking and low speeds as well as highway speeds
Loss of power and deceleration during highway driving
Vehicle lost power or failed to accelerate above certain speeds (typically 40–60 mph), particularly during highway driving. Some occurrences involved the accelerator pedal becoming unresponsive. Incidents forced owners to pull over or limp home at reduced speeds. Check engine lights illuminated in some cases.
When: 28,000 miles; 71,000 miles; also reported at 25,000 and 40 mph threshold
Symptoms owners cite: Loss of acceleration; Unable to exceed 40–60 mph; Accelerator pedal unresponsive; Vehicle slowed without brake application; Check engine light illuminated
Codes mentioned: P1326
Repairs/costs cited: One owner reported code P1326 (knock sensor); dealer unable to diagnose at another service location despite owner report
Engine knock, metal debris, and potential internal engine damage
Owners reported loud knocking noises from the engine, smoking when starting, and metal flakes found on dipstick indicating internal wear or damage. Engine refused to start or died while driving. One hybrid model (105,000 miles) exhibited the same symptoms as the recall-related 2.4L engines but was not included in existing recalls. Owner claims all maintenance performed.
When: 105,000 miles (hybrid); 71,000 miles; reported starting January 24, 2022 for one owner
Symptoms owners cite: Loud knocking noise from engine; Smoking smell on startup; Smoking from under hood; Metal flakes on dipstick; Engine stalling; Lack of acceleration above certain RPM
Codes mentioned: P1326
Repairs/costs cited: Owners unable to get repairs; one dealership could not schedule until March 1; another owner stated dealership 'couldn't find a problem' despite symptoms
Recalls/TSBs owners mention: Recall campaigns 180, 953, 160, 162, and 946 exist but do not cover all affected VINs (notably the hybrid model at 105,000 miles)
Cruise control erratic behavior and re-engagement after brake
Cruise control attempted to reactivate or accelerate after owner released brake pedal, even though SET light indicated it was off. Vehicle tried to speed up repeatedly when brake was released during city traffic deceleration. Owner had to brake multiple times to prevent unwanted acceleration.
When: 95,000 miles
Symptoms owners cite: Cruise control attempted to re-engage after brake release; Vehicle tried to accelerate when brake released; Unwanted speed increase in traffic
Severe stability loss and hydroplaning at freeway speeds
Vehicle lost total control at freeway speeds (75 mph) in heavy rain, hydroplaning across multiple lanes and hitting a cement barrier. Steering wheel and brakes locked after impact. Owner reported the car 'cannot handle freeway speeds' and became unstable in wet conditions, unlike other vehicles driven in the same conditions over 20 years.
When: Highway speeds (75 mph, then 55–60 mph range)
Symptoms owners cite: Loss of vehicle control at freeway speed; Hydroplaning across lanes; Steering wheel lock; Brake lock; Instability in heavy rain
Power loss and loss of control during parking
While attempting to park and applying the brake, the vehicle suddenly lurched forward with significant force, crossed over curb, and struck shrubbery. Damage to front end was extensive (bumper, fenders, hood, undercarriage). Seatbelt prevented injury. Incident reported to HMA and investigation ensued, but vehicle was lost in dealer's service lot for 2 weeks.
When: August 4, 2014
Symptoms owners cite: Sudden forward lurch when brake applied; Loss of control during low-speed parking; Vehicle lurched over curb
Repairs/costs cited: Significant front-end damage (bumper, fenders, hood, undercarriage, possible engine damage); 3rd party inspection was authorized but inconclusive
Recalls/TSBs owners mention: HMA conducted preliminary investigation; vehicle towed to dealer; 3rd party inspection completed but findings not disclosed to owner; estimated 2-week HMA review
Check engine light and loss of power after recall service
Vehicle experienced sudden loss of power and acceleration 9 miles after being picked up from dealership following five recall service campaigns. Check engine light began blinking; burning smell detected. Owner had to be towed and was placed in a rental car.
When: Immediately after recall service (April 24–25, 2019); 9 miles into drive
Symptoms owners cite: Loss of acceleration and power at 55 mph; Check engine light blinking; Burning smell; No brake lights activated despite power loss
Repairs/costs cited: Dealership placed owner in rental car (charged $1.00–$9.00 per day additional); case pending as of April 28, 2019
Recalls/TSBs owners mention: Recall campaigns 180, 953, 160, 162, and 946 were performed before failure; dealership initially provided no loaner support post-failure
Hybrid system warning and uncontrolled deceleration
While driving on highway at 75 mph in heavy traffic, vehicle made noise and displayed 'check brake' message, then decelerated uncontrollably to 10 mph. Hybrid system warning message appeared stating 'do not drive.' Vehicle became a traffic hazard in middle lanes.
When: Highway at 75 mph in heavy traffic
Symptoms owners cite: Check brake message; Uncontrolled deceleration from 75 to 10 mph; Hybrid system warning; Knocking noise
Synthesized from 14 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Common questions
How serious is the cruise control problem on the 2014 Hyundai Sonata?
It's a meaningful issue. 14 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $600.
At what mileage does the cruise control typically fail?
Across the 11 complaints that reported odometer mileage, most cruise control failures cluster between 23,550 and 95,000 miles, with the median around 71,000. A quarter of owners report trouble before 23,550; a quarter make it past 95,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $600 for cruise control repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to cruise control?
No active recalls currently cover cruise control issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.