Tl*the contact owns a 2009 Hyundai santa fe. While driving approximately 65 MPH, the vehicle stopped accelerating suddenly. The vehicle was towed to the dealer. The technicians replaced the accelerator computer module. The vehicle was repaired. The approximate failure mileage was 20,000.
2009 Hyundai Santa Fe cruise control problems
severe 34 complaints filed with NHTSA · avg repair $600 · see cruise control across all vehicles →
Failure mileage
Complaints
34
Recalls
0
Avg fix
$600
6crashes
3injuries
When does it fail?
Of the 34 cruise control complaints filed for the 2009 Hyundai Santa Fe, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 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
Owners have filed 34 cruise control complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
No new NHTSA cruise control complaint has been filed on this vehicle in over 15 years — the issue may be aging out of the active population.
The failure pattern owners describe
The 2009 Santa Fe cruise-control and throttle system complaints center on unintended acceleration that occurs without driver input, often at speeds between 25 and 90 mph, during routine driving, highway merges, or parking maneuvers. Owners describe the accelerator pedal sticking to the floor, engine revving uncontrollably, and brake application either failing outright or providing only temporary slowing before acceleration resumes. Several owners report crashes or near-collisions—hitting other vehicles, pedestrians, buildings, or storefronts—with one incident injuring a bystander and another resulting in a broken wrist requiring medical attention. Owners also report sudden power loss and weak acceleration capability.
Dealers consistently report inability to replicate the problem and find no diagnostic codes, despite multiple incidents in the same vehicles. When issues are diagnosed, they include throttle position sensor (TPS) faults requiring replacement with software updates, throttle body carbon buildup, or accelerator computer module failure. Hyundai's corporate response, per owner accounts, has been dismissive—denying the problem exists because technicians cannot replicate it. No official recalls are mentioned. Owners note the problem occurs early in vehicle ownership and recurs unpredictably, leaving them hesitant to drive and questioning manufacturer safety accountability.
Same Hyundai Santa Fe cruise control reports on nearby years: 2007 · 2008 · 2010 · 2011 · 2012
Failure modes owners describe
Unintended Acceleration / Loss of Throttle Control
Engine revs and vehicle accelerates without driver input or intention; occurs across wide range of speeds (3–90 mph) and driving conditions (highway passing, parking, at red lights, during merges). Brake application provides only partial or temporary slowing; vehicle continues accelerating even with foot off gas pedal. Owners report pedal stuck to floor, unable to release. Some incidents resolved by shifting to Neutral, others only by turning ignition off; several incidents involved crashes or near-misses with other vehicles or pedestrians.
When: Onset varies from 6,700 miles to 88,000 miles; multiple events reported on same vehicle within weeks or months; some incidents clustered in early ownership (under 12 months, under 30,000 miles).
Symptoms owners cite: Engine revving uncontrollably; Vehicle accelerates without pedal input; Accelerator pedal stuck to floor; Brake application ineffective or only partially effective; Acceleration resumes after brake released; RPM surging at random intervals; Vehicle continues accelerating despite foot removed from gas; Loud hissing or winding engine noise during event; Jerking or stop-and-go sensation while driving
Codes mentioned: No diagnostic trouble codes found (most common dealer response), Throttle Position Sensor (TPS) fault (narrative #6, #11)
Repairs/costs cited: Throttle Body replacement (narrative #22, #27 mentions carbon buildup in throttle body); Throttle Position Sensor (TPS) replacement and software update (narrative #6, #11); Accelerator Computer Module replacement (narrative #31); Fuel filter replacement quoted at $270 (narrative #3); Fuel tank sensor replacement $364.51 (narrative #29). Many vehicles not repaired due to dealer inability to replicate; some required owner to specify exact diagnosis.
Recalls/TSBs owners mention: Dealers typically report inability to replicate problem or find diagnostic codes; Hyundai corporate response characterized by owners as dismissive—"cannot replicate, therefore nothing wrong"; suggestion of floor mat interference rejected by owners; no recalls mentioned; one power steering line crush damage noted (narrative #2).
Power Loss / Sudden Loss of Acceleration Capability
Vehicle suddenly loses power or fails to accelerate when intended; pronounced drop in acceleration capability develops gradually or abruptly. Occurrence tied to TPS (Throttle Position Sensor) partial failure in at least one case. Vehicle may enter idle mode, fail to respond to pedal input, or lose power on freeway at speed.
When: One instance at 20,000 miles; another at 30,000 miles with symptoms persisting over 3,000+ miles of subsequent driving; one case involved failure within one week after unrelated alternator repair.
Symptoms owners cite: Drop in acceleration power; Vehicle fails to respond to accelerator pedal; Pronounced loss of acceleration capability; Mild surging at speed before full failure; Vehicle enters idle mode; No warning lights or messages prior to failure (in some cases)
Codes mentioned: Throttle Position Sensor (TPS) partial failure (narrative #6)
Repairs/costs cited: Throttle Position Sensor replacement with software updates; fuel filter replacement cost quoted at $270 (though diagnosis inconclusive); dealer diagnostic testing showed no codes initially.
Recalls/TSBs owners mention: Dealers suggested fuel filter clogging as possible cause; no definitive diagnosis in some cases; one dealer (Kia sister company) initially failed to diagnose TPS issue during unrelated repair one week prior.
Cruise Control System Malfunction
Cruise control lamp illuminates without driver engagement; vehicle throttle over-revs while in idle or at stop in traffic, even when cruise control not activated or used within prior week. One instance of unintended acceleration while cruise control was actively engaged and brake depressed.
When: One instance noted 'next morning' after unintended acceleration event; multiple instances in same vehicle occurring at different times.
Symptoms owners cite: Cruise control lamp illuminated unexpectedly; Engine over-revving while idling or at stop; Throttle spiking when cruise not actively engaged; Unintended acceleration while cruise control active and brake applied
Synthesized from 34 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
Tl* the contact owns a 2009 Hyundai santa fe. While driving between 75-80 MPH the vehicle began to accelerate without intention. Even after repeated brake application the vehicle would not decelerate. He had to shift the vehicle into neutral to decelerate. 5 days prior to the failure the vehicle accelerated while driving between 25-35 MPH in heavy traffic. There was not interference…
Tl* the contact owns a 2009 Hyundai santa fe. The contact stated that while attempting to accelerate, the accelerator pedal would become stuck and in order to release it, the brakes needed to be engaged simultaneously. The vehicle was taken to the dealer and was diagnosed that the throttle body needed to be replaced. The manufacturer was made aware of the failure. The vehicle was not repaired.…
Had cruise control trouble with your 2009 Hyundai Santa Fe?
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 2009 Hyundai Santa Fe?
It's a meaningful issue. 34 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 32 complaints that reported odometer mileage, most cruise control failures cluster between 18,000 and 67,000 miles, with the median around 26,000. A quarter of owners report trouble before 18,000; a quarter make it past 67,000. 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/2009/Hyundai/Santa Fe.
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.