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 ↗2013 Kia Sorento lighting problems
moderate Owners of the 2013 Kia Sorento have filed 42 NHTSA complaints about the lighting, typically surfacing around 93,373 miles at roughly $250 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See lighting across all vehicles →
Failure mileage
Complaints
42
Recalls
0
Avg fix
$250
| Model year | lighting complaints |
|---|---|
| 2011 Sorento | 58 |
| 2012 Sorento | 45 |
| 2013 Sorento (this page) | 42 |
| 2014 Sorento | 63 |
| 2015 Sorento | 79 |
| 2016 Sorento | 45 |
| 2017 Sorento | 92 |
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What stands out
Owners have filed 42 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.
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.
TSB: HALOGEN LOW BEAM BULB CONNECTOR REPLACEMENT - This bulletin provides the procedure to replace the halogen low beam bulb connector on some 2011 - 2013MY Sorento (XMa) vehicles, produced from October 24, 2009 through January 31, 2013, which may experience an inoperable low beam bulb due to poor terminal contact at the low beam bulb connector.
full bulletin at NHTSA ↗Dear Kia Sorento Owner - Kia Motors America, Inc. takes pride in providing you with high quality and dependable vehicles. In order to maintain these standards, Kia is extending the New Vehicle Limited Warranty coverage, to all owners of 2011-2013 MY Kia Sorento vehicles, for the halogen headlamp low beam connector wiring harness from 5-years/60,000-miles to 10-years/unlimited-miles, starting from the date of first service. The headlamp connectors may lose electrical contact with a low beam bulb in one of the headlamp assemblies. This condition on the affected headlamp does not affect the other low beam. In addition, the high beams continue to function at all times.
full bulletin at NHTSA ↗REQUEST FOR REIMBURSEMENT FORM - WTY012 â 2011-2013 MY SORENTO HEADLAMP LOW BEAM CONNECTOR WIRING HARNESS NEW VEHICLE LIMITED WARRANTY EXTENSION
full bulletin at NHTSA ↗TSB: HALOGEN LOW BEAM BULB CONNECTOR REPLACEMENT - This bulletin provides the procedure to replace the halogen low beam bulb connector on some 2011 - 2013MY Sorento (XMa) vehicles, produced from October 24, 2009 through January 31, 2013, which may experience an inoperable low beam bulb due to poor terminal contact at the low beam bulb connector. This condition on the affected headlamp does not affect the other low beam. In addition, the high beams continue to function at all times.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners across 42 complaints describe a pattern of headlight failure that costs money and creates real driving danger. The passenger-side low beam is the worst offender—bulbs burn out every few weeks to months, sometimes within days of replacement. When owners crack open the connectors to look, they find melted plastic, charred wires, and corroded contact pins. Several owners say the connector plastic is literally bored out. A few report their vehicles have lost all headlights while driving at night on highways and in construction zones.
Tail and brake lights follow the same script: repeated burnouts, melted connectors, arcing electricity. One owner has replaced driver-side brake lights four times in a year. The core problem is not bulbs—owners swap good bulbs side-to-side and the bad socket kills the good bulb. One owner determined this by moving a "bad" bulb from passenger to driver side, where it worked fine.
Kia's response has been to demand full headlight assembly replacement ($600 each), refuse recall, and deny warranty claims if a non-dealer shop touched the car first. One dealer acknowledged a warranty extension for the connector but later refused coverage after the warranty period expired. Interior lights staying on continuously and battery failures also appear in the cluster, suggesting broader electrical strain on the 2013 model.
Owners explicitly call out fire hazard risk. Melted wiring and overheated connectors create conditions for vehicle fires, especially when the problem recurs after repair.
Same Kia Sorento lighting reports on nearby years: 2011 · 2012 · 2014 · 2015 · 2016
Failure modes owners describe
Headlight bulbs burning out repeatedly
Low-beam headlight bulbs fail repeatedly within days to weeks, requiring constant replacement. Owners report replacing bulbs 3–12+ times, with bulbs burning out again shortly after installation.
When: Occurs throughout vehicle life; reported from under 61,000 miles to 121,000+ miles; some failures intermittent, then complete
Symptoms owners cite: Low-beam headlight goes out without warning; Bulb fails within days to weeks of replacement; Intermittent failure progressing to permanent failure; Primarily affects passenger side, though driver side also reported
Repairs/costs cited: Bulb replacement ($100–$150 per visit); dealers charge for bulbs with no warranty; bulb swaps often ineffective
Recalls/TSBs owners mention: Kia warranty extension offered on connector/socket replacement in at least one case; some dealers offered goodwill repairs for melted connectors under warranty extension; warranty denied or voided after non-dealer repairs
Melted headlight connectors and wiring harness
Headlight wiring harness and connector plugs melt or overheat, damaging the plastic molex connectors and creating corrosion and arcing. Plastic connectors become bored out and discolored. Fire hazard risk noted by owners and repair shops.
When: Can occur early (45,000 miles, ~2 years old) or later (up to 121,000 miles); multiple instances per vehicle
Symptoms owners cite: Visible melted plastic on connector or harness; Burnt or charred wires and bulb sockets; Overheated plastic molex connector with corrosion; Arcing sound (humming) when bulb inserted; Ground side of plug overheated and bored out
Repairs/costs cited: Dealership typically requires full headlight assembly replacement ($600 per side); independent shops replace wiring harness or connector pigtail (several hundred dollars); no universal quick repair available; some owners apply electrical tape as temporary band-aid
Recalls/TSBs owners mention: Kia warranty extension covered connector replacement in limited cases; most repairs denied under standard warranty; dealers state no recall exists for this year; manufacturer declined goodwill repairs in reported cases; Kia states vehicle operating as designed in some cases
Both headlights failing simultaneously or in rapid succession
Driver and passenger headlights go out at the same time or one after the other, leaving the vehicle with no functional low beams. Creates acute safety hazard on highways and unlit roads.
When: Occurs during night driving or in low-light conditions; can happen suddenly while vehicle is in operation
Symptoms owners cite: Both low-beam headlights out at same time; Headlights go out in sequence (driver first, passenger follows); Driver must switch to high beams to see road; No warning before failure
Repairs/costs cited: Requires replacement of both headlight assemblies or harnesses; costs escalate when both sides affected
Passenger-side headlight brightness dimming with humming noise
Passenger-side high-beam, low-beam, and fog lights dim together; disconnecting the low-beam bulb makes other lights brighten. Humming sound occurs when low-beam bulb is connected. Problem persists for six years in one case and worsens over time.
When: Ongoing for six years in one case; intermittent initially, then persistent
Symptoms owners cite: All passenger-side lights dim simultaneously; Humming or buzzing sound when low-beam is connected; Lights brighten only when low-beam bulb is disconnected; Temporary fix: turning car off and on restores brightness briefly; Bulb replacement does not resolve dimming
Repairs/costs cited: Suspected wiring harness issue requiring replacement; no confirmed fix reported in narratives
Taillight and brake-light bulb failure with melted connectors
Brake light and taillight bulbs burn out frequently; connectors melt in multiple instances. Failures affect driver-side tail and brake lights primarily.
When: Multiple failures within months; one owner reports 4 replacements in one year
Symptoms owners cite: Brake/taillight bulb burns out repeatedly; Connector melted or burnt; Arcing in wiring
Repairs/costs cited: Bulb replacement; connector repair or replacement (melted connectors require harness or assembly replacement)
Interior overhead lights failing to turn off
Interior lights remain on continuously and will not turn off. One case required software update; another required battery replacement, but failure recurred.
When: Reported at 12,000 miles; after battery replacement, failure recurred
Symptoms owners cite: Interior lights stay on continuously; Lights will not shut off when commanded; Vehicle may fail to start as a result
Repairs/costs cited: Software update attempted; battery replacement attempted but did not resolve issue
Recalls/TSBs owners mention: Dealer initially stated vehicle operating as designed; later diagnosed software issue
Left/driver-side headlight and turn-signal assembly failure
Left headlight/turn-signal assembly stops working and requires repeated dealer replacement. Bulb replacement alone does not resolve the issue, indicating assembly or wiring problem.
When: Replaced twice by dealer; failures recur
Symptoms owners cite: Left headlight/turn assembly stops working; Bulb replacement ineffective
Repairs/costs cited: Headlight assembly replaced twice; still fails
Headlight covers melting
Plastic headlight lens covers melt at 95,000 miles. No failure code present, indicating electrical or thermal issue within the assembly.
When: At 95,000 miles
Symptoms owners cite: Headlight covers visibly melted; Headlights failed without warning at 60 mph
Repairs/costs cited: Headlight assembly replacement required; not repaired by owner in this case
Recalls/TSBs owners mention: Dealer unable to locate failure code; determined assembly replacement needed
Synthesized from 42 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had lighting trouble with your 2013 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 lighting problem on the 2013 Kia Sorento?
It's a documented issue but not catastrophic. 42 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 24 complaints that reported odometer mileage, most lighting failures cluster between 73,000 and 121,000 miles, with the median around 93,373. A quarter of owners report trouble before 73,000; a quarter make it past 121,000. 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.
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/2013/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.