PITSTOP: SMART PEDAL FEATURE - THE SMART PEDAL IS AN INTEGRAL PART OF THE ENGINE MANAGEMENT SYSTEM (EMS) FUNCTIONALITY WHICH MONITORS AND PREVENTS THE SIMULTANEOUS ACTIVATION OF ACCELERATOR AND BRAKE PEDALS. WHEN ENGAGED, THE FEATURE REDUCES ENGINE POWER TO IDLE. MOST CUSTOMERS WILL NEVER NOTICE THE SMART PEDAL FEATURE WHEN ACTIVE, HOWEVER, CUSTOMERS WHO TEND TO REST THEIR FOOT ON THE BRAKE PEDAL WHILE DRIVING MIGHT DESCRIBE A HESITATION OR DELAY SYMPTOM AND NOT REALIZE THAT THE EMS ELECTRONIC CONTROL MODULE IS INTERVENING, AS DESIGNED.
full bulletin at NHTSA ↗2012 Kia Sorento cruise control problems
severe Owners of the 2012 Kia Sorento have filed 23 NHTSA complaints about the cruise control, typically surfacing around 17,000 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 →
Failure mileage
Complaints
23
Recalls
0
Avg fix
$600
| Model year | cruise control complaints |
|---|---|
| 2008 Sorento | 22 |
| 2009 Sorento | 4 |
| 2011 Sorento | 32 |
| 2012 Sorento (this page) | 23 |
| 2013 Sorento | 14 |
| 2014 Sorento | 19 |
| 2015 Sorento | 13 |
| 2016 Sorento | 47 |
1crash
1fire
When does it fail?
Of the 23 cruise control complaints filed for the 2012 Kia Sorento, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Among the 15 model years of Kia Sorento in our records for cruise control problems, this one ranks #3 by owner-complaint volume.
No new NHTSA cruise control complaint has been filed on this vehicle in over 12 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering cruise control on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The narratives describe a cluster of powertrain failures across 23 complaints. Most common is sudden unintended acceleration: vehicles lurch forward at stop lights, while reversing, or during cruise control operation—sometimes with brakes that don't slow the car without hard application. Engine power loss is another major complaint; cars drop into creeper mode (2–20 mph only) on highways with no warning, flatlining the tachometer. Owners have to pull over and use code readers to reset faults, only to have the problem recur during the same drive.
Cruise control malfunctions separately: it fails to engage on first start (requiring an engine restart), or it downshifts unexpectedly and maxes out throttle. One owner reported battery disconnect resetting a power-loss episode temporarily.
Throttle body failures prevent acceleration when the pedal is pressed. Engine stalls occur at traffic lights and during driving, sometimes multiple times in one day. At 19,000 miles, one owner had metal debris in the oil pan requiring long-block replacement. A knock sensor signals the engine to shut down above 2,000 RPM in another case—persisting even after sensor replacement.
One fire occurred while driving downhill on I-15. Dealers consistently cannot replicate these issues during diagnostic visits. Kia has refused warranty repairs in some cases, citing high mileage or lack of active recalls, despite owners citing class action lawsuits and pending recalls.
Same Kia Sorento cruise control reports on nearby years: 2011 · 2013 · 2014 · 2015
Failure modes owners describe
Sudden unintended acceleration
Vehicle accelerates unexpectedly without driver input, often at stop lights, while reversing, or during normal driving. Engine RPM surges rapidly and brakes may be ineffective or require hard application to regain control.
When: Throughout vehicle life; reported as early as 450 miles; occurs at various speeds and driving conditions
Symptoms owners cite: Engine RPM surges without depressing accelerator; Vehicle lurches forward unexpectedly; Brake pedal ineffective or requires aggressive application; Occurs while stopped at traffic light; Occurs while reversing from driveway; Occurs during normal highway driving; Vehicle accelerates in creeper mode (very low speed uncontrolled acceleration)
Repairs/costs cited: Dealers unable to diagnose in most cases; throttle body replacement performed in at least one case (complaint #15, #18)
Cruise control malfunction and sudden power loss
Cruise control engages unexpectedly, fails to activate on first start of the day (requires engine restart), or causes sudden downshift and uncontrolled acceleration. Separate events include complete loss of engine power while under cruise control on highway.
When: Early in ownership (complaints at 13,000 miles and 2,000 miles); some events after engine service or heat sensor work
Symptoms owners cite: Cruise control fails to activate on first start but works after engine restart; Sudden downshift and maximum throttle while in cruise control at highway speed; Moderate brake application does not disconnect cruise control; Requires vigorous brake application to disengage; Complete loss of engine power while under cruise control; Tachometer flatlining; Unable to accelerate above 20 mph after power loss; Vehicle runs at idle with no tachometer reading but engine still running
Repairs/costs cited: Transmission heat sensor replaced in one case; brake light sensor suspected but ruled out by computer diagnostics; battery disconnect reset resolved power-loss issue temporarily
Engine power loss and limp-mode operation
Engine loses power suddenly during highway driving, vehicle stuck in creeper mode or low-speed operation, unable to accelerate normally. Check engine light typically illuminates. Issue cannot be replicated at dealership but recurs during driving.
When: Various mileages; one case at 185,472 miles; recurring events after repairs
Symptoms owners cite: Sudden loss of engine power on highway; Vehicle limited to 2 RPM or 20 mph maximum speed; Unable to accelerate responsively; Check engine light illuminates; Issue clears temporarily after code reader clears fault code; Issue recurs multiple times during single drive session; Cannot replicate problem at dealership
Repairs/costs cited: Knock sensor replaced by AAA with no resolution; Kia dealership unable to diagnose; engine replacement quoted at $7,200 but owner refused due to high mileage (185,472 miles)
Recalls/TSBs owners mention: Kia refused to address issue under recall despite owner reporting vehicle is subject to engine recall and class action lawsuit
Engine stall and no-start condition
Engine stalls unexpectedly during driving, sometimes multiple times in a single day. Vehicle may refuse to restart or require key cycling. Engine seizes in one case after three months of ownership.
When: Throughout ownership; one case at only 3 months of ownership; 128,000 miles in another case
Symptoms owners cite: Engine stalls at traffic lights; Sudden engine stall while driving at various speeds; Multiple stalls in one day; Engine seizes with no warning lights; No response to accelerator after stall
Repairs/costs cited: Dealer unable to diagnose stalling issue; engine replacement discussed in high-mileage case
Throttle body failure
Throttle body fails, causing inability to accelerate when pedal is depressed or erratic acceleration response. Dealer diagnostic confirms throttle body and housing failure in confirmed cases.
When: 17,000 miles in one documented case; multiple occurrences over time in another (six failures before diagnosis)
Symptoms owners cite: Vehicle fails to accelerate when pedal depressed; Engine light illuminates with throttle body fault; Vehicle jerks and decelerates after jerk; Requires multiple dealer visits (up to ten) before diagnosis
Repairs/costs cited: Throttle body and housing replacement required; dealer performed computer reflash on one vehicle prior to throttle body diagnosis
Engine overheating and fire
Engine catches fire while driving downhill on freeway. Smoke and flames emanate from under hood; fire spreads from engine compartment to front half of vehicle including trunk area.
When: During highway driving at undetermined mileage
Symptoms owners cite: Issues with brakes and accelerator preceding fire; Smoke and flames from under hood; Thick black smoke through air vents; Complete engine compartment and forward vehicle destruction
Repairs/costs cited: Fire department response required; total loss
Knock sensor malfunction
Knock sensor sends signal to engine to shut down, causing engine to turn off during normal driving. Issue persists after knock sensor replacement by independent mechanic.
When: Recurring after replacement; vehicle hard to drive above 2,000 RPM
Symptoms owners cite: Engine attempts to shut off above 2,000 RPM; No response to throttle input; Vehicle becomes nearly undriveable
Repairs/costs cited: Knock sensor replacement performed at independent shop with no resolution; Kia states no action without official recall
Recalls/TSBs owners mention: Kia states all recalls processed; advises no warranty coverage without formal recall
Engine metal debris and long-block failure
Engine develops metal debris in oil pan at very low mileage (19,000 miles), indicating internal engine damage. Long-block assembly requires complete replacement.
When: 19,000 miles
Symptoms owners cite: Loud knocking noise in engine; No acceleration; Engine will not drive vehicle
Repairs/costs cited: Metal debris found in oil pan; long-block assembly replaced; oil filter also damaged and replaced. Dealership required oil-change maintenance records before authorizing repair despite low mileage.
Intermittent cruise control engagement issues
Cruise control requires multiple attempts to set and engage reliably. Owner suspects underlying electronic issue rather than cruise control module alone.
When: Throughout ownership; not formally reported due to expected diagnostic costs
Symptoms owners cite: Cruise control requires several attempts to activate; Unreliable cruise control engagement
Repairs/costs cited: No repair attempted; owner suspected prohibitive diagnostic costs
Synthesized from 23 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
While driving the sorrento, it suddenly shut off while I was in traffic. There have been four other incidents since then. One day there were two of the same thing happening in one day. *tr
Had cruise control trouble with your 2012 Kia Sorento?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the cruise control problem on the 2012 Kia Sorento?
It's a meaningful issue. 23 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 13 complaints that reported odometer mileage, most cruise control failures cluster between 11,000 and 21,000 miles, with the median around 17,000. A quarter of owners report trouble before 11,000; a quarter make it past 21,000. 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2012/Kia/Sorento.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.