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 ↗2012 Kia Forte lighting problems
severe Owners of the 2012 Kia Forte have filed 12 NHTSA complaints about the lighting, typically surfacing around 60,000 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 →
Failure mileage
Complaints
12
Recalls
0
Avg fix
$250
| Model year | lighting complaints |
|---|---|
| 2010 Forte | 11 |
| 2011 Forte | 5 |
| 2012 Forte (this page) | 12 |
| 2013 Forte | 5 |
| 2014 Forte | 13 |
| 2015 Forte | 8 |
1fire
What stands out
Among the 9 model years of Kia Forte 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.
TECHNICAL SERVICE BULLETIN: HALOGEN HEAD LAMP LOW BEAM BULB CONNECTOR REPLACEMENT - This bulletin provides information regarding the procedure to repair the bulb connector on some 2010MY~ vehicles listed on the table below, which may exhibit a bulb connector concern. To correct this concern, replace the connector with a new and improved part.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Brake light problems dominate the complaints. Multiple owners say their rear brake lights won't work when they press the pedal, even after bulb replacement. Several report bulbs burning out within 60–90 days of installation—faster burnout than normal. One owner found the plastic bulb holder melted inside the housing, forcing a full assembly replacement. Another had brake lights stay on with the ignition off. One owner was stopped by police for non-functioning brake lights; the dealer mentioned a recall existed for 2009–2010 models with the same fault but said the 2012 wasn't covered.
Turn signals and headlights also fail. One owner's right turn signal dropped out repeatedly while driving, requiring four dealer visits before technicians traced it to a loose ground wire at the bulb. Another's headlights dim and burn out repeatedly, suggesting an electrical short or charging issue.
An airbag warning light came on in one vehicle; the dealer performed repair under campaign SC165, but the light stayed on. A brake sensor switch replacement corrected one instance where the ESC warning light came on and both tail lights went dead at highway speed. Check engine light persisted even after a valve cover gasket replacement.
Same Kia Forte lighting reports on nearby years: 2010 · 2014
Failure modes owners describe
Brake lights inoperative or stuck on
Rear brake lights fail to illuminate when brake pedal is pressed, or remain illuminated with ignition off. Multiple owners report bulbs burn out frequently within 60-90 days. One owner reported plastic housing melted, suggesting thermal failure.
When: 43,400 miles; 60,000 miles; early in ownership (some unspecified)
Symptoms owners cite: Brake lights do not illuminate when braking; Brake lights remain on with ignition off; Bulbs burn out repeatedly every 60-90 days; Plastic bulb holder melted; Bulbs run hot
Repairs/costs cited: Bulb replacement (multiple times for some owners); brake light switch replacement; brake pedal stopper pad replacement; full brake light assembly replacement (due to melted housing)
Recalls/TSBs owners mention: Some owners noted dealer stated no 2012 recall existed while 2009-2010 models had a recall for the same issue. Campaign SC165 referenced but did not resolve air bag warning light issue in one case.
Right turn signal intermittent failure
Right turn signal failed during driving and recurred multiple times. Dealer initially could not replicate the failure. Resolved by reconnecting ground wire to light bulb.
When: 7,000 miles; recurred up to 20,263 miles
Symptoms owners cite: Right turn signal failed while driving 30 mph; Failure recurred multiple times over span of miles; Intermittent—could not be replicated on first dealer visit
Repairs/costs cited: Ground wire connection to light bulb
Recalls/TSBs owners mention: Manufacturer notified but offered no assistance
Headlight bulb burnout
Dim headlights that burn out repeatedly. Owner reports at least one bulb shorting out early in ownership, with repeated failures over time.
When: 96,000 miles (owner report); early in ownership for another owner
Symptoms owners cite: Dim headlights; Headlight bulbs blow repeatedly; Possible electrical short
Repairs/costs cited: Bulb replacement
Airbag warning light illuminated
Passenger side airbag warning light illuminated. Vehicle was repaired under Kia Campaign SC165, but failure persisted.
When: Unknown mileage
Symptoms owners cite: Passenger airbag warning light on
Repairs/costs cited: Repair attempted under campaign SC165; not fully resolved
Recalls/TSBs owners mention: Campaign SC165 applied but did not resolve the issue
Check engine light with oil leak
Check engine warning light illuminated. Dealer diagnosed oil leak from valve cover gasket. Part was replaced but the check engine light persisted.
When: Unknown mileage
Symptoms owners cite: Check engine warning light illuminated; Oil leaking
Repairs/costs cited: Valve cover gasket replaced; failure persisted despite repair
Brake sensor/switch electrical issues
Brake sensor switch light failure; one owner reported cruise control failed and both tail lights failed simultaneously when brake sensor switch light illuminated.
When: 16,600 miles
Symptoms owners cite: ESC warning light illuminated during driving at 75 mph; Cruise control inoperative; Both tail lights failed
Repairs/costs cited: Brake sensor switch light replaced
Synthesized from 12 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 2012 Kia Forte?
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 2012 Kia Forte?
It's a meaningful issue. 12 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $250.
At what mileage does the lighting typically fail?
Across the 8 complaints that reported odometer mileage, most lighting failures cluster between 40,000 and 65,000 miles, with the median around 60,000. A quarter of owners report trouble before 40,000; a quarter make it past 65,000. 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/2012/Kia/Forte.
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.