Tl* the contact owns a 2012 Kia sorrento. The contact stated that his wife was driving through a snow storm and the vehicle stalled several times. The wife pulled the vehicle over and called for a tow and a new battery was bought and the old one was replaced. The failure recurred on the same day. The vehicle was taken to an independnent mechanic who observed the vehicle shutting on and off and…
2012 Kia Sorento electrical problems
severe 110 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
110
Recalls
0
Avg fix
$850
1crash
19fires
6injuries
When does it fail?
Of the 110 electrical complaints filed for the 2012 Kia Sorento, here's the actual mileage breakdown — failures cluster heaviest at 150,000+ 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 110 electrical 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 19 model years of Kia Sorento in our records for electrical problems, this one ranks #3 by owner-complaint volume.
The failure pattern owners describe
Buyer takeaway: This 2012 Sorento has well-documented electrical and engine issues including a serious fire risk recall (23V652) involving the hydraulic control unit that went months without available repair parts. Owners report sudden complete electrical shutdowns while driving, unexplained engine seizures without warning lights, headlight harness fires, and rapid oil consumption with failed warning systems—many events undiagnosed by dealers. A used buyer should avoid this model year unless a pre-purchase inspection can confirm the HECU recall has been completed and diagnostic testing rules out the stalling, seizure, and fire risks.
The 2012 Sorento's electrical system proves unreliable and dangerous. Owners describe complete power loss while driving—engine, steering, brakes, everything shuts off without warning. Dealerships cannot replicate the failure or generate error codes, leaving them unable to fix it. Multiple owners have had engines seize with zero oil warning lights, forcing expensive replacements even after recent oil changes with no visible leaks.
A serious fire risk exists via a hydraulic control unit electrical short (Recall 23V652, November 2023). Owners waited up to eleven months for remedy parts that never arrived, forced to park vehicles outdoors per Kia's advisory. Several vehicles burned while parked or during driving—flames visible within seconds, spreads rapidly. One fire extended into a home.
Headlight wiring burns and melts repeatedly despite bulb replacement; connectors fail due to undersized wire. Loss of headlights often kills brake lights too, a safety hazard Kia has not recalled on this model year despite prior-year recalls for the same issue. Battery drains after sitting; alternator warning lights fail to illuminate even when the alternator has failed. Dealerships charge owners hundreds to diagnose problems they cannot fix, especially when recall parts sit unavailable for months. Owners consistently report feeling unsafe and unsupported by both Kia and dealers.
Same Kia Sorento electrical reports on nearby years: 2011 · 2013 · 2014 · 2015
Failure modes owners describe
Hydraulic Electronic Control Unit (HECU) Electrical Short Circuit / Fire Risk
The HECU may experience an electrical short circuit, resulting in engine compartment fire while driving or parked. Recall 23V652 issued November 2023 with ABS warning light as primary indicator. Parts unavailable for extended periods (some owners waited 11 months). Owners report being advised to park vehicles outdoors away from structures until remedy available; some describe remedy as 'band-aid' (fuse replacement) rather than fixing root cause.
When: November 2023 recall letter; incidents documented 2023-2024; delays in parts availability into mid-2024
Symptoms owners cite: Engine compartment fire while driving or parked; ABS warning light illumination; Malfunction Indicator Lamp illumination; Smoke/burning smell from engine compartment; Vehicle unable to be driven safely per recall advisory
Codes mentioned: ABS warning light, Malfunction Indicator Lamp (MIL)
Repairs/costs cited: Recall 23V652 remedy involves fuse replacement (part cost not specified); towing to dealer at owner expense ($150-$200+); multiple owners report diagnosis fees ($150-$190) charged before remedy available; one owner describes potential root cause as brake fluid leak, O-ring degradation, or internal electrical fault beyond simple fuse replacement
Recalls/TSBs owners mention: Recall 23V652 issued November 14, 2023; remedy part (new fuse) not available for months; some owners received no updates; Kia instructed to park outdoors away from other vehicles/structures; warranty extension to 120,000 miles offered on some models; extended warranty mentioned in recall letter
Complete Electrical System Shutdown While Driving
Vehicle loses all electrical power, engine, and auxiliary functions while in motion, leaving driver without steering assist, power brakes, or transmission control. Occurs without warning and recurs multiple times for same owner. Dealers unable to replicate or identify cause; diagnostics show no error codes.
When: Multiple incidents reported 2013-2024; timing unpredictable—stops, traffic lights, highway speeds, during acceleration
Symptoms owners cite: Complete power loss (engine, lights, electronics); Loss of power steering (requires muscular effort to steer); Loss of power brakes (brake pedal goes to floor, no ABS); Vehicle unable to shift into Park (stuck in Drive or Neutral); Inability to turn off ignition; Vehicle restarts after restart attempt; No audible warning before shutdown
Codes mentioned: No codes generated (per dealer statements), Battery light (in some cases), Check Engine light (in some cases)
Repairs/costs cited: Battery replacement $150-$200+; Alternator replacement $500-$600; Starter replacement attempted; some vehicles ultimately require engine replacement (dealers unable to diagnose root cause); one owner reports dealer wiped computer diagnostics; independent mechanics found vehicles in good condition contradicting dealer findings
Recalls/TSBs owners mention: Kia recommended battery and alternator replacement as potential fix; dealerships unable to confirm diagnosis; no manufacturer communications documented beyond recommendations to replace battery/alternator
Engine Seizure / Catastrophic Engine Failure with No Oil-Low Warning
Engine seizes or becomes non-repairable due to extreme oil consumption or starvation, often with no oil-level warning light activation. Multiple owners report low or no oil in engine with no corresponding warning indicator. Issues recur even after engine repair/replacement in some cases.
When: Various instances 2013-2024; one owner had two engine failures at 65,000 miles and 69,000 miles within 4 months; another at 158,000 miles
Symptoms owners cite: Engine suddenly shuts off while driving; Loud clicking noise from engine after restart; Vehicle unable to accelerate or pick up; Smoke from engine; Engine seized—non-repairable without replacement; Oil level critically low or empty despite recent oil change; No oil-level warning light illumination
Codes mentioned: Check Engine light (in some cases), No codes in other cases
Repairs/costs cited: Engine replacement $3,000-$6,500; rebuilt engine $5,000+; oil consumption abnormally high (6,000+ miles reported) with no visible leaks, gasket damage, or drain plug/seal issues identified; one owner had to add oil between oil change intervals
Recalls/TSBs owners mention: Some owners told VIN not covered under recall; Kia told one owner engine model discontinued and referred to junk yard for used engine; extended warranty mentioned (120,000 miles) but does not address root failure
Engine Stalling at Low Speed / Traffic Lights
Engine stalls without warning while vehicle is stopped at traffic light, stop sign, or moving at low speed. Brake lights may illuminate before stall. Vehicle restarts normally. Occurs repeatedly for same owner. Dealers cannot replicate or identify cause; no error codes generated.
When: Multiple incidents per owner; unpredictable timing at stops, traffic lights, low-speed driving
Symptoms owners cite: Engine shuts off without warning; No advance warning lights or sounds; Loss of power steering (stiffens); No power brakes; Vehicle locks out with no control; Vehicle restarts normally after restarting attempt; No error codes
Codes mentioned: None generated
Repairs/costs cited: Dealers recommend Neutral shift, battery check; no repairs successfully made; one owner had electronic recording device installed but it did not capture any codes or data during stall event
Recalls/TSBs owners mention: Dealers state unable to fix problems with no error codes; Kia recommended battery/alternator replacement; no manufacturer TSBs or recalls documented for this specific issue
Headlight Harness/Connector Burning and Melting; Resultant Loss of Brake Lights
Headlight connector or harness burns and melts, causing headlight failure and loss of brake lights. Bulbs replaced multiple times without resolving issue. Root cause: undersized wire gauge or poor connector design. Problem reoccurs after repair in some cases. Widespread issue reported across multiple Kia models online.
When: Various instances 80,000–144,000+ miles; recurring every 2–3 weeks in one case
Symptoms owners cite: Front low-beam headlights fail; Connector or harness wiring melted or burned; Brake lights non-functional when headlight wire fails; High beam failover required by driver; Bulb failures repeat despite replacement; Extremely dangerous at night (dark roads, reduced visibility)
Codes mentioned: None (electrical inspection only)
Repairs/costs cited: Bulb replacement (repeat, multiple times); harness/connector replacement $150-$300+; labor to access and repair; one owner paid $312.95 dealer charge for $19.41 brake switch replacement
Recalls/TSBs owners mention: Dealerships acknowledge the burned harness but will not cover as defect; one owner notes prior-year model vehicles recalled for same issue; Kia has not expanded recall to 2012 model year
Vehicle Catches Fire—Engine Compartment or Rear Electrical
Vehicle catches fire while parked or during driving with no warning. Multiple documented cases. Fires originate in engine compartment (electrical), under hood, or rear (tail light area). Some fires occur after vehicle sits parked; others during driving. Rapid flame propagation in several cases. Fire department/arson investigator called; some vehicles total loss; one fire spread to home.
When: Various incidents 2013-2024; some parked unattended (30–45 minutes to overnight); others while driving; one on highway after 250-mile drive; August 2024 incident with infant in vehicle
Symptoms owners cite: Smoke from engine compartment or undercarriage; Visible flames inside or under hood; Flames from rear light area; No warning before fire onset; Fire rapidly spreads within vehicle; Fire in some cases spreads to nearby structures
Codes mentioned: ABS warning light (in some pre-fire incidents), Malfunction Indicator Lamp (in some cases)
Repairs/costs cited: Total loss; vehicles towed and deemed totaled by insurance; fire department extinguished; one vehicle had new engine and transmission (did not prevent fire); arson investigator rolled out arson (fire was electrical in nature)
Recalls/TSBs owners mention: Recall 23V652 issued for HECU electrical short circuit risk; Kia told one owner to 'deal with insurance' and refused to assist; manufacturer not notified in some incidents until NHTSA complaint filed; one owner's vehicle sat at dealership for 2 months (January–March) before fire occurred and recalls were supposedly communicated
Battery Drainage / Alternator Charging Failure
Battery drains rapidly after sitting, or alternator fails to charge battery adequately. Multiple battery replacements do not resolve issue. Alternator warning light may not illuminate even when alternator is bad. Results in vehicle unable to start or complete loss of electrical power while driving.
When: Various instances; one owner experienced issue at 4.25 years old, 83,700 miles
Symptoms owners cite: Battery drains after vehicle sits 1–2 days; Vehicle will not start after sitting; Alternator warning light does not illuminate (even when alternator is bad); All electrical systems fail to operate (interior lights, start button, auxiliaries); Multiple battery replacements do not resolve drain; Loss of power while driving at highway speed
Codes mentioned: Battery warning light (in some cases), Alternator/charge light (inconsistent illumination)
Repairs/costs cited: Battery replacement $150–$200; Alternator replacement $500+ (parts only, excluding labor); one shop supervisor stated alternator warning light will not always illuminate unless alternator is severely degraded; vehicle towed multiple times
Recalls/TSBs owners mention: Dealers recommend battery replacement; Kia recommended alternator check; no TSB or recall documented
Shift Lock / Transmission Stuck in Non-Park Position
Vehicle unable to shift into Park or shift selector sticks in Drive/Neutral. In one documented incident, vehicle rolled backward out of parking space because driver left vehicle in Reverse overnight in sloped parking garage without setting parking brake or shift interlock warning. Vehicle also fails to start if not in Park/Neutral, trapping driver.
When: One incident at parking garage (overnight parked); other incidents during or after driving
Symptoms owners cite: Vehicle stuck in Reverse or Drive, cannot shift to Park; No warning light for non-Park shift position when engine shut off; Vehicle will not start unless shifted to Park or Neutral; Vehicle rolls if parked on incline in Reverse without parking brake; Gears stuck and will not shift even after restart attempt
Codes mentioned: None specifically
Repairs/costs cited: One incident caused $6,000 damage to vehicle (rear corner collision with wall); no repair cost cited for shift mechanism issue; driver had to manually shift out of non-Park position
Recalls/TSBs owners mention: No manufacturer response documented; design flaw: no audible/visual alarm to alert driver if vehicle parked in non-Park position with engine off
Keyless Start System Malfunction / Push Button Start Failure
Push-button start system fails to start engine or fails to shut off engine. Smart key not recognized after sitting. Key synchronization required with electrical system. In one case, key appeared to disconnect from vehicle mid-operation.
When: One incident after vehicle sat 2 days; another during normal operation
Symptoms owners cite: Smart key not recognized by vehicle after sitting; Push-button start does not activate engine; Interior lights non-functional; Push-button stop does not turn off engine (requires multiple attempts or shifting/driving to stop); Sidelight marker lights remain on hours after engine shut off
Codes mentioned: None
Repairs/costs cited: Smart key battery replacement; vehicle required jump start; key synchronization with electrical system performed at dealer
Recalls/TSBs owners mention: Dealer performed key synchronization; no manufacturer TSB or recall documented
ABS / Brake System Warning Lights; Brake Switch / Brake Light Failures
ABS warning light, Electronic Stability Control (ESC), and Downhill Breaking Control (DHC) lights illuminate. Brake lights fail to work despite bulbs being good. Brake switch replaced multiple times at significant cost without resolution. Preceding issue often is brake light electrical problem, not switch itself.
When: Various incidents; one brake light issue diagnosed at traffic stop by police officer
Symptoms owners cite: ABS warning light illuminated; ESC warning light illuminated; DHC warning light illuminated; Brake lights non-functional; Bulbs appear good; Fuses appear good; Brake switch replacement does not resolve lights
Codes mentioned: ABS warning light, ESC light, DHC light
Repairs/costs cited: Brake switch replacement $19–$312.95 (dealer labor mark-up); bulb replacement; multiple switch replacements from different sources; underlying electrical issue not addressed
Recalls/TSBs owners mention: One dealer told owner ABS light 'was not a safety issue' despite recall letter stating otherwise; prior-year models recalled for this issue; 2012 model not yet recalled for brake light/switch issue
Electrical System Malfunctions (Multiple / Cascade Failures)
Multiple electrical failures occurring in sequence or cascade: battery drain, warning lights stuck on, turn signal failure, window failure, airbag warning light, check engine light, loss of headlamps. Problems often start with battery drainage and expand to other systems.
When: Various instances over months or years; one owner experienced issues for 9 months consecutively
Symptoms owners cite: Battery drains within 1 month of replacement; Turn signal lights non-functional; Windows non-functional; Left headlamp fails or non-functional after replacement; All warning lights stay on continuously; Check engine light and ABS indicator lights on continuously; Airbag warning light illuminated and flashing; Electrostatic shock when opening driver door handle
Codes mentioned: Check Engine light, ABS indicator light, Airbag warning light
Repairs/costs cited: Multiple component replacements (battery, bulbs); no successful diagnosis; dealers unable to identify root cause despite monthly service visits
Recalls/TSBs owners mention: Dealers perform diagnostics but unable to confirm fault; no manufacturer intervention documented
Recall Non-Availability or Non-Responsive Dealership Support
Owners notified of recalls but remedy parts unavailable for extended periods (months to 11+ months). Dealership unable or unwilling to address recalls due to lack of parts. Some dealerships charge diagnostic fees even though remedy part unavailable. Communication delays from both manufacturer and dealer.
When: Primarily 2023–2024 for Recall 23V652 (HECU); other recalls pending resolution
Symptoms owners cite: Recall letter received but no timeline given for remedy; Parts unavailable indefinitely; Dealership cannot schedule repair without part; Diagnostic fees charged even though remedy not available; No communication updates from Kia or dealer; Vehicle parked outdoors for months per recall instruction
Codes mentioned: N/A (recall-related)
Repairs/costs cited: Owners paying towing fees ($150–$200+) to bring vehicle in for recall; some charged additional diagnostic fees ($150–$190) before remedy available; one owner spent 77+ days waiting with no remedy; another waited 11 months
Recalls/TSBs owners mention: Recall 23V652 issued November 2023 with no parts available until mid-2024 or later; Kia told owners 'part will be available soon' in September 2023, then delayed repeatedly through January and April 2024; no compensation offered for towing, diagnostic fees, or extended inconvenience; one dealership refused to apply recall without charging diagnostic fee ($312.95 for $19.41 part)
Synthesized from 110 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 4 most recent
I experienced a Malfunction of indicators lamp, ABS warning lights, burning/ melting smell and smoke from the engine compartment.
The passenger low beam head light keeps burning out. I have had the wiring replaced twice because it keeps melting. The brake light blow at least every 2 months
Hi I am writing you on behalf of my Kia sorrento 2012 I've been having problems the last past nine months after my car wouldn't start I supposedly assumed it was the battery so I had the battery changed in the lock at the battery is about 78 years old so I changed it after change that still drain after every month my car would just turn off in the middle of me driving or stopping at a stop sign…
Had electrical 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 electrical problem on the 2012 Kia Sorento?
It's a meaningful issue. 110 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Across the 60 complaints that reported odometer mileage, most electrical failures cluster between 43,000 and 112,000 miles, with the median around 80,000. A quarter of owners report trouble before 43,000; a quarter make it past 112,000. 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 $850 for electrical 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 electrical?
No active recalls currently cover electrical 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.