TSB - USE OF AFTERMARKET USB CHARGING CABLES IN USB/12V PORTS - This article provides information regarding the use of USB ports and 12V power outlets to connect/charge mobile phones. Customers may experience issues with their head units that may be related to the use of aftermarket USB charging cables, including; * Electrical interference and limited or no functionality when attempting to play music, or when charging a device through the USB port * Excessive static or noise when listening to the audio source * Malfunctions and screen freeze of the head unit screen * Slow down of the system response while device is plugged in * Music will not play from iPhone 5 or 6 with Kia iPod cable and a
full bulletin at NHTSA ↗2006 Kia Sorento electrical problems
moderate 40 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
40
Recalls
0
Avg fix
$850
1crash
1fire
When does it fail?
Of the 40 electrical complaints filed for the 2006 Kia Sorento, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 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 40 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.
No new NHTSA electrical complaint has been filed on this vehicle in over 14 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical 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.
KIA: ECM UPGRADE WITH TP SENSOR REPLACEMENT-MIL ON WITH DTC P2135/P0638. INFORMATION RELATED TO ECM SOFTWARE AND TP SENSOR UPGRADE ON SOME VEHICLES WITH 2.7L ENGINES WHICH MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH THE ELECTRONIC THROTTLE CONTROL (ETC) SYSTEM RELATED DTC P2135 OR P0638 OR P2A00 OR P2A03.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2006 Sorento shows a cluster of persistent electrical issues across 40 complaints. The most common grievance is repeated bulb failure—headlights, tail lights, brake lights, and interior dome lights. Owners report replacing bulbs every few months to every couple of years, with some claiming five or more replacements for the same fixture. Many suspect a charging-system fault; one owner went through four alternators in roughly 80,000 miles, averaging one failure every two years.
Engine stall is the second major failure mode. The vehicle cuts power without warning while driving, eliminating power steering and brakes simultaneously. Owners coast to safety, the engine restarts normally, yet dealerships cannot replicate the problem or pull diagnostic codes. One mechanic eventually diagnosed a bad throttle position sensor; most cases remain unresolved.
Crankshaft pulley bolts shear prematurely, disabling the vehicle. Kia acknowledged this happens and told one owner an upgraded bolt should have been installed from the factory—without any notification. The repair requires significant expense or engine removal.
Charging-system failures are routine: alternators wear out repeatedly, batteries die without warning and fail to hold charge after replacement. Door locks malfunction, locking themselves or refusing to engage. Electrical shorts cause fuse-box damage, smoke, and uncontrolled light flashing. Dashboard and climate-control lights flicker or go dark mid-drive. Dealers offer no fix beyond replacing the entire dashboard at $1,300+. Owners consistently report feeling unsafe and abandoned by Kia.
Same Kia Sorento electrical reports on nearby years: 2005 · 2007 · 2008
Failure modes owners describe
Repeated bulb failure (headlights, tail lights, brake lights, interior)
Headlights, tail lights, brake lights, dome lights, and interior lights burn out or fail prematurely and repeatedly. Many owners report replacing these bulbs multiple times per year, some claiming replacement every few months. Multiple complaints cite an underlying electrical short or alternator/charging system issue as the root cause.
When: Throughout vehicle ownership; one owner reported initial failures starting after first year of ownership; failures continue across mileage from 30,000 to 103,000 miles
Symptoms owners cite: Headlights go out without warning; Tail lights burn out prematurely; Brake lights fail; Interior dome lights non-functional or flicker; Dashboard lights intermittently go out; License plate lights burn out or melt in housing; Lights come back on if tapped or wiggled
Codes mentioned: P0763, P0101
Repairs/costs cited: Dealerships reportedly charge $500+ without identifying root cause; one owner replaced alternators (four total, averaging one every two years); another had serpentine belts replaced twice; independent mechanic diagnosed and replaced throttle position sensor, MAF meter, air filter, and harmonic balancer ($5,000+ engine replacement in one case)
Recalls/TSBs owners mention: Kia corporate stated 'headlights do burn out' when contacted; one service department reportedly acknowledged replacing more headlight bulbs than imaginable; no recalls issued for this issue
Engine stall/loss of power (steering and brakes)
Vehicle suddenly stalls or shuts down while driving without warning, causing loss of power steering, power brakes, and engine control. Owners describe being unable to steer or brake, though some managed to coast to safety. Check engine light may or may not illuminate. Dealerships unable to replicate or diagnose the problem; no diagnostic codes present in most cases.
When: Occurs once to multiple times per week; one instance at 45 mph, another at 35 mph; one at 73,100 miles
Symptoms owners cite: Engine suddenly dies while driving; Loss of power steering; Loss of power brakes; Vehicle loses all control; Check engine light may or may not come on; Engine restarts without difficulty after pulling over
Repairs/costs cited: Dealership unable to diagnose in multiple cases despite scanning for codes and test driving; one mechanic diagnosed throttle position sensor failure and replaced MAF meter and harmonic balancer; no successful resolution documented in most narratives
Crankshaft pulley/bolt failure
Crankshaft pulley shears or cracks, causing loss of vehicle control and inability to operate. One owner reports that Kia acknowledged knowing this happens and stated customer should have proactively replaced the bolt with an upgraded model, despite no owner notification. Another reports crankshaft pulley spinning almost free with belt slipping. Engine block disassembly required to assess additional damage.
When: Occurs suddenly during operation; one case at vehicle purchase in 2006, another case with new engine (20,000 miles) failing again
Symptoms owners cite: Crankshaft bolt shears off; Crankshaft pulley spins loose or cracks; Serpentine belt slips; Battery, brake, and check engine lights come on; Total loss of vehicle control; Vehicle cannot be driven
Repairs/costs cited: Kia stated customer should replace with upgraded model; dealership will only replace with original part; one owner reports vehicle has been non-operational due to repair cost; another had new $5,000 engine with only 20,000 miles installed after original failure
Recalls/TSBs owners mention: Kia acknowledged this is a known issue and stated upgraded bolt should have been installed; no recall issued; no warranty coverage or upgrade program documented
Alternator/charging system failure
Alternator fails prematurely and repeatedly. One owner replaced alternator four times in ~80,000 miles (averaging one every two years), with three being rebuilt units and one new. Battery fails to charge after alternator replacement or fails with no warning. Battery and brake lights illuminate when alternator is not charging.
When: One owner averaged alternator failure every two years; another replaced within 11 days before accident; battery replaced once after purchase at 56,000 miles; battery lasted only 3 days after replacement
Symptoms owners cite: Alternator not charging battery; Battery light illuminated; Brake light illuminated; Power steering works occasionally; Battery dies with no warning; New battery lasts only days
Repairs/costs cited: Reconditioned and new alternators both failed; one owner had reconditioned alternator installed 11 days before accident; bodyshop installed new battery that lasted 3 days; serpentine belt replacement performed twice
Automatic door locks and latch failures
Power door locks malfunction, including doors locking on their own when opening/closing, or failing to lock when engaged. Rear hatch opens automatically. Keyless remotes non-functional even after battery replacement. Door lock actuator mechanism failed in at least one case, producing loud buzzing sound.
When: Occurring early in vehicle ownership; one at 39,600 miles; another at 1,246 miles
Symptoms owners cite: Doors lock automatically when opening/closing; Power locks do not work most of the time; Rear hatch opens automatically; Door lock actuator makes loud buzzing sound; Keyless remote does not function; Push button lock does not engage
Repairs/costs cited: Dealer replaced computer but did not resolve issue; Kia representative suggested ground wire replacement, which dealer performed; repair partially effective (stopped lights flashing but hatch stopped opening same night)
Recalls/TSBs owners mention: Kia representative suggested ground wire as possible cause; dealer replaced ground wiring with partial success
Electrical shorts and fuse/relay failures
Vehicle exhibits signs of electrical shorts throughout the system, with fuse box circuit board damage and cooling fan relay burnout. Interior and exterior lights flash uncontrollably. Smoke or burning electrical smell reported. Clicking from fuse box when attempting to start.
When: One case at 39,600 miles; another with fuse box relay burned out; smoke observed while parked
Symptoms owners cite: Interior and exterior lights flash uncontrollably; Burning electrical smell; Smoke from front of vehicle while parked; Clicking from fuse box; Cooling fan relay burned out; Fuse box circuit board damaged
Codes mentioned: P0763, P0101
Repairs/costs cited: Dealer replaced computer and identified dead battery cell (did not resolve); ground wiring replaced; fuse and electrical box required replacement in one case
Recalls/TSBs owners mention: Dealer replaced computer and ground wiring; no resolution documented
Window motor and power seat failures
Driver's side seat motor partially failed (reclines but will not go upright). Front window motors deteriorating. Power seat motor completely failed; dealer quoted $1,300 to repair.
When: Occurring at various mileages; one owner had window motor issues around 103,000 miles; seat motor failure reported after years of ownership
Symptoms owners cite: Driver's seat reclines but will not return to upright position; Seat motor does not function; Front window motors non-functional or failing; Windows do not raise/lower properly
Repairs/costs cited: One owner quoted $1,300 by dealership for driver's seat motor replacement; no repairs documented as completed
Throttle position sensor and mass airflow sensor failures
Throttle position sensor and mass airflow meter fail, causing engine control issues and stalling. One mechanic diagnosed and replaced both components along with air filter and harmonic balancer.
When: One case at 73,100 miles
Symptoms owners cite: Engine light comes on; Engine stalls at 35 mph with no warning; No power steering when stalled; No brakes when stalled
Repairs/costs cited: Mechanic replaced throttle position sensor, mass airflow meter, air filter, and harmonic balancer; owner describes repair as extensive and expensive
Dashboard and console illumination failures
Dashboard lights, console lights, and climate control display lights fail to illuminate or flicker intermittently. Some lights can be toggled on by tapping or wiggling dashboard. Climate control dial only lights up after fiddling with it. A/C setting control switches uncontrollably between heat and cool.
When: Ongoing throughout vehicle ownership; reported up to 103,000 miles
Symptoms owners cite: Dashboard lights go out intermittently; Console lights flicker or do not work; Climate control dial does not illuminate; A/C and heater switch back and forth constantly; Lights can be toggled on by tapping dashboard; Heating/cooling switches work only temporarily after repair
Repairs/costs cited: One owner reports having to rip out dash and console to repair ($1,300+ estimate); switches replaced multiple times with only temporary fix; no successful permanent repair documented
Seatbelt retractor stiffness
Seat belt straps do not retract properly and place excessive tension on lap and waist when in use.
Symptoms owners cite: Seat belt does not retract fully; Excessive tension on lap/waist when seatbelt in use
Windshield washer system failure
Front and rear windshield washers stop functioning. Dealership quotes over $500 for repair without specifying the exact problem.
Symptoms owners cite: Windshield washers do not work
Repairs/costs cited: Dealership quoted $500+ without diagnosis
Synthesized from 40 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 4 most recent
Headlights both sides will go out on regular basis without warning -dash lights go out on regular basis-a/c unit will short out causing burn smell -window switches and tail lights will stop working on regular basis I have found many complaints about these problems. *kb
Tl* the contact owns a 2006 Kia sorento. The contact stated that the low beam headlights failed. The vehicle was taken to the dealer for inspection where it was diagnosed that an electrical shortage was causing the low beams to fail prematurely. The low beam bulbs were replaced numerous times, but the failure was not corrected. The manufacturer was not notified. The VIN was not available. The…
Panel dash lights intermediately dim, low headlights and back running light bulbs burn out constantly, license plate light bulbs burnt out and melted in casing, passenger air bag indicator light comes on when passenger is seated stating it is off. Powered door locks do not work most of the time - push power lock button or by key and still won't lock, keyless remotes don't work even after…
Low beam head lights, just go out with out warning . Replaced 100s of time s just very costly . Kia wants 100. Every time to replace. *js
Had electrical trouble with your 2006 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 2006 Kia Sorento?
It's a documented issue but not catastrophic. 40 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Across the 30 complaints that reported odometer mileage, most electrical failures cluster between 30,000 and 93,000 miles, with the median around 60,000. A quarter of owners report trouble before 30,000; a quarter make it past 93,000. 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/2006/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.