TECHNICAL SERVICE BULLETIN: INFORMATION FOR HEADLAMP CONDENSATION AND MOISTURE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information relating to some Kia models that may exhibit fogging, condensation, and/or moisture inside a headlamp assembly. Generally, a fogging condition is considered normal and can be eliminated by turning on the headlamps with the engine running for up to 30 minutes or during normal driving conditions. Headlamp assembly replacement WILL NOT be necessary in most cases.
full bulletin at NHTSA ↗2014 Kia Sorento lighting problems
moderate Owners of the 2014 Kia Sorento have filed 63 NHTSA complaints about the lighting, typically surfacing around 72,250 miles at roughly $250 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See lighting across all vehicles →
| Model year | lighting complaints |
|---|---|
| 2011 Sorento | 58 |
| 2012 Sorento | 45 |
| 2013 Sorento | 42 |
| 2014 Sorento (this page) | 63 |
| 2015 Sorento | 79 |
| 2016 Sorento | 45 |
| 2017 Sorento | 92 |
| 2018 Sorento | 27 |
When does it fail?
Of the 63 lighting complaints filed for the 2014 Kia Sorento, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
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.
Owners have filed 63 lighting 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.
Among the 14 model years of Kia Sorento in our records for lighting problems, this one ranks #3 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering lighting 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
Lighting defects plague the 2014 Sorento across multiple systems. Low-beam headlights burn out at an alarming rate—every 3–10 months on average—with owners replacing bulbs 7–10 times in as few as two years. Both low beams often fail simultaneously, leaving drivers in the dark on dark roads at highway speeds. Bulb replacement does not prevent recurrence, and dealers cannot identify why.
Beyond burnout, the low-beam projection is inherently weak. Owners report the road is illuminated for only a few yards ahead, even with fresh bulbs. Dealership adjustments and aftermarket LED upgrades do not improve visibility. Several owners cite IIHS ratings confirming these lights are inadequate, and state law requires 400-foot pedestrian visibility at night—a standard this vehicle fails to meet.
Brake lights and tail lights exhibit the same pattern: bulbs burn out every 3–4 months, sometimes both at once. More alarming, lights fail intermittently without any bulb burnout—a sign of wiring or connector defects. Drivers have been pulled over repeatedly for non-functioning brake lights. The driver-side brake light is particularly problematic, failing every six months despite multiple harness and tension-pin repairs.
LED accent lights above the headlights fail as well, requiring $700–$900 full-assembly replacements since the bulb cannot be replaced separately. Dome lights fail to activate when doors open, a safety issue owners report affects multiple Kias.
Dealers consistently struggle to diagnose these failures, often cannot reproduce them, and refuse warranty coverage citing no recall. Owners observe the same issues discussed extensively on Kia forums across multiple model years, suggesting a design or manufacturing problem Kia has not addressed.
Same Kia Sorento lighting reports on nearby years: 2012 · 2013 · 2015 · 2016 · 2017
Failure modes owners describe
Low-beam headlight bulb burnout
Low-beam headlight bulbs fail repeatedly, requiring replacement every 3–10 months or more frequently. Failures often happen while driving, sometimes affecting both sides simultaneously.
When: Throughout ownership, with reports from early (4,000 mi) to high mileage (174,000 mi); most common within first 5 years
Symptoms owners cite: Bulb burns out with no warning light; Both low beams fail at the same time on multiple occasions; Right side low beam fails more often than left (2:1 ratio reported in one case); Bulbs replaced multiple times in short intervals; Intermittent loss of low-beam function; reinserting bulb temporarily restores light
Repairs/costs cited: Owners replace bulbs repeatedly; some try aftermarket or LED bulbs with no improvement. Dealership replacements do not prevent recurrence.
Inadequate low-beam headlight projection and illumination
Low-beam headlights illuminate only a few yards ahead, even immediately after bulb replacement. The projector-lens design does not focus light properly for safe nighttime driving on dark roads.
When: Affects vehicle throughout ownership; independent of bulb age or type
Symptoms owners cite: Road ahead illuminated for only a few yards; High beam shines no farther than other vehicles' low beams; Bulb replacement does not improve visibility; Driver forced to use high beams to achieve minimal safe visibility; Scattered or unfocused beam pattern; State legal requirement (400 ft pedestrian visibility at night) not met
Repairs/costs cited: Dealership adjustment of headlights does not fix the issue. Owners report bulbs themselves are not the problem; issue is optical design.
High-beam and accent-light burnout
High-beam headlights and LED accent lights above the headlights fail. LED accent-light failures require replacement of entire fixture (LED strip) at significant cost.
When: At 5+ years of ownership; some accent-light failures at lower mileage
Symptoms owners cite: High-beam bulb burns out; LED accent strip (eyelash) light burns out and ceases to illuminate; Complete loss of high-beam functionality on one or both sides
Repairs/costs cited: LED accent-strip replacement costs $700–$900 for full assembly because bulb is encased and non-replaceable. High-beam bulb replacement attempted but failure recurs.
Recalls/TSBs owners mention: Dealer denies warranty claim citing no recall; states that LED accent lights never fail (contradicting owner experience).
Complete headlight outage while driving
Both headlights fail simultaneously while driving at night, forcing the driver to navigate with hazard lights, parking lights only, or high beams. Failures occur at highway speeds and on dark roads.
When: Throughout ownership, at various mileages (one report at 70,000 mi)
Symptoms owners cite: Both headlights go completely dark while driving; No warning indicator illuminates; Lights may intermittently return after engine is restarted or headlight connector is jostled; Hazard lights must be used to complete drive; Potential loss of brakes and headlights simultaneously
Repairs/costs cited: Dealer diagnosis ranges from 'short in headlight assembly' (quote $2,500 for both assemblies) to inability to reproduce failure. Multiple third-party mechanics cannot identify cause.
Intermittent headlight operation and connector disconnect
Headlights flicker on and off during a drive, or fail to work until the bulb is removed and reinserted. Headlight connector detaches from housing without cause.
When: At various points in ownership
Symptoms owners cite: Lights blink off and on multiple times during a 5–10 minute drive; Lights respond to jostling the bulb or connector; Headlight connector visibly disconnected or loose; Problem persists after multiple dealer visits
Codes mentioned: HECU fuse implicated in at least one case
Repairs/costs cited: HECU fuse replacement performed in one case; bulb reinsertion is temporary fix. Loose connection suggests a design or assembly defect.
Brake light (tail light) bulb burnout and intermittent operation
Tail-light and brake-light bulbs burn out repeatedly, and tail lights operate intermittently without reason. Bulbs fail within weeks of replacement. Lights may illuminate without brake-pedal depression.
When: Throughout ownership; intermittent operation develops after years of use
Symptoms owners cite: Tail-light bulbs burn out every 3–4 months; Brake lights fail to illuminate when pedal is depressed; Brake lights remain illuminated without pedal input; Lights flicker on and off intermittently (off for minutes to hours, then working again); Multiple bulb replacements (two reported in short succession); Owner pulled over by police for non-functioning brake lights
Repairs/costs cited: Bulb replacement attempted multiple times; intermittent failures persist. No corrosion or burn marks visible in sockets. Not a fuse issue (other circuits on same fuse function normally).
Driver-side brake light chronic failure
The driver-side brake light fails repeatedly, requiring replacement every 6 months on average. Multiple attempts at harness and tension-pin repair have not resolved the issue.
When: Chronic problem throughout 5+ years of ownership
Symptoms owners cite: Brake light failure at 6-month intervals; Driver-side brake light fails more often than passenger side; Owner observes same issue on multiple Kia Sorento models; Driver pulled over multiple times for this failure alone
Repairs/costs cited: Harness replaced twice in 2 years; tension-pin repairs attempted; failures persist. Both warranty and paid repairs have been performed.
License-plate light burnout
License-plate lights fail repeatedly, requiring replacement every 3–4 months. Both lights burning out simultaneously is reported.
When: Throughout ownership
Symptoms owners cite: License-plate lights burn out every 3–4 months; Both lights fail at the same time on at least one occasion; Owner pulled over by police twice for non-functioning plate lights; guns drawn in one instance
Repairs/costs cited: Repeated bulb replacement; no pattern of electrical diagnosis offered.
Dome/interior light failure with door-open trigger
Dome and interior lights no longer activate when doors are opened; manual on/off function still works. This affects multiple Kia vehicles (Sorento and Optima) in the same household, suggesting a systemic defect.
When: Onset around late 2018 and November 2017 for other Kia models; affects vehicles with 60,000+ miles
Symptoms owners cite: Interior/dome light does not illuminate when door opens; Manual on/off switch still functional; Owner cannot see inside vehicle before entering (safety concern); Child cannot see car-seat buckle clearly; Multiple Kia vehicles in same household exhibit identical failure
Repairs/costs cited: Owner reports forum discussion suggesting loose connection; repair quote approximately $400. Not covered under warranty.
Fog light bulb detachment
Fog light bulb falls out of its socket while driving, indicating a retention or socket design defect.
When: During normal operation
Symptoms owners cite: Fog light bulb falls out of socket while driving; Bulb not burned out; retention issue
Repairs/costs cited: Bulb reinsertion restores function; no further information provided.
Synthesized from 63 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Lighting from headlights is too dim to drive at night. Cannot see 5 feet ahead. Bulbs were replaced. Dealer adjusted them. Still no change. Dangerous to drive at night. I am limited to drive in daylight only as I cannot see to drive at night with 20/20 vision.
Common questions
How serious is the lighting problem on the 2014 Kia Sorento?
It's a documented issue but not catastrophic. 63 complaints have been filed. Repairs average $250 and most owners catch it before it causes a breakdown.
At what mileage does the lighting typically fail?
Across the 37 complaints that reported odometer mileage, most lighting failures cluster between 65,000 and 96,000 miles, with the median around 72,250. A quarter of owners report trouble before 65,000; a quarter make it past 96,000. 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 $250 for lighting 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 lighting?
No active recalls currently cover lighting 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.