TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - 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 on setting the "Service Interval Reminder" feature available on most 2014-2023MY Kia vehicles (refer to model list on page 2). If the service interval reminder is set, the customer will be informed to have the next maintenance service performed, which can positively affect vehicle longevity and performance. Refer to TSB ENG241 for 2023MY~ vehicles equipped with the Oil Life Management System (OLMS) feature not included in table on page 2.
full bulletin at NHTSA ↗2014 Kia Cadenza electrical problems
severe 10 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
10
Recalls
0
Avg fix
$850
2fires
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.
PITSTOP: FRONT RADAR SENSOR MOUNTING INSPECTION (PS704) - This pitstop provides information regarding front radar sensor alignment on 2014MY and later vehicles that may exhibit a warning light ON related to radar sensor alignment errors in the Forward Collision-Avoidance Assist (FCA)/Smart Cruise Control (SCC) system.
full bulletin at NHTSA ↗TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Worm Gear Assembly or Steering Column Housing on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
full bulletin at NHTSA ↗TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR OF C-MDPS MOTOR, ECU, WORM GEAR AND/OR STEERING COLUMN HOUSING - 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 regarding the partial repair of the Motor Driven Power Steering (MDPS) Motor, Electronic Control Unit (ECU), Worm Gear Assembly or Steering Column Housing on some 2010MY~ Kia models listed on page 8, equipped with a Column Motor Driven Power Steering (C-MDPS) unit.
full bulletin at NHTSA ↗PITSTOP: MFC, CONCERNS FOR DISABLED OPERATION - This Pitstop provides information regarding concerns with disabled operation of Multi-Function Camera (MFC) on some Kia vehicles. When normal operation is not possible due to certain outside environment conditions (such as sunlight glare, heavy rain, sunlight, snow, fog and/or substance/debris) causing a temporary concern. This stops operation causing Warning Lamp ON and/or Pop-up Message displayed on the cluster. This is a normal operation of the ADAS and once environment conditions improve and/or substance/debris are removed, the system will clear itself and operate normally.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners report six distinct electrical failures in the 2014 Cadenza. The smart key's release button detaches too easily during normal pocket movement, causing the metal key to fall out without warning—creating stranding risk and potential security exposure.
The electric parking brake and auto hold system gets mechanically stuck after normal engagement, with the brake remaining applied even after disengagement commands. Dashboard amber lights for EPB, auto hold, traction control, and ABS come on together; vehicles become completely immobilized and require towing.
Kia issued interim recall 23V652 in November 2023 for HECU electrical short-circuit fire risk but has not supplied repair parts as of April 2024—four-plus months later. Owners report being told to park vehicles outdoors to mitigate fire danger with no timeline for remedy. At least one parked vehicle caught fire at 16,000 miles; another experienced complete electrical shutdown at highway speed, resulting in loss of power steering, braking, and ultimately engine fire requiring a new engine.
A battery failure at 45,860 miles caused loss of braking assist while driving downhill. After replacement, the vehicle stalled repeatedly at low speeds with check engine light illumination. One owner also reports extensive rust corrosion under the driver seat and steering components, with swollen and split dashboard requiring replacement—after which the computer began malfunctioning.
Same Kia Cadenza electrical reports on nearby years: 2015
Failure modes owners describe
Smart Key Release Button Mechanism Failure
The release button that separates the plastic key/remote from the metal center-cut key detaches prematurely during normal handling, causing the metal key to fall out of the remote housing unexpectedly.
When: Within one month of purchase
Symptoms owners cite: Metal key detaches from plastic remote housing during pocket movement; Key falls without audible indication; Key separates before release button is flush with plastic body
Electric Parking Brake (EPB) and Auto Hold System Malfunction
EPB and auto hold become mechanically stuck after engaging/disengaging, with motor sound persisting abnormally and brake remaining applied despite operator commands to release. Dashboard lights show amber warnings for EPB, auto hold, traction control, and ABS. Vehicle becomes inoperable and requires towing.
When: During normal parking operation
Symptoms owners cite: Motor sound continues for approximately 30 seconds after normal duration; Brake physically stuck and will not release; Amber warning lights for EPB, auto hold, traction control, and ABS displayed; Vehicle immobilized and unable to move forward or backward
Repairs/costs cited: Vehicle required towing to dealership
Recalls/TSBs owners mention: Service agents and manager confirmed this is a known recurring issue across multiple Kia makes; appears to lack formal recall
Hydraulic Electronic Control Unit (HECU) Electrical Short Circuit—Fire Risk
HECU fuse subject to electrical short circuit that can cause engine compartment fire. Kia issued interim safety recall (23V652) recommending owners park vehicles outside while awaiting part availability. Critical parts shortage has left recall unresolved for extended periods (4+ months reported).
When: Intermittent; recall issued November 2023
Symptoms owners cite: Potential for engine compartment fire due to electrical short; Actual fire reported in parked vehicle at 16,000 miles; Vehicle caught fire while parked with all electrical systems active
Repairs/costs cited: Recall remedy involves replacing HECU fuse when parts become available
Recalls/TSBs owners mention: Kia interim recall 23V652 issued November 14, 2023; parts delayed beyond 4+ months as of April 2024; manufacturer offers no interim workaround beyond parking outdoors
Complete Electrical System Failure During Operation
Vehicle loses all electrical power while driving, disabling dashboard, odometer, radio, steering power assist, and braking ability. Power loss occurred at highway speeds and was accompanied by smoke and engine fire.
When: During normal highway driving
Symptoms owners cite: All electrical components shut off simultaneously (odometer, dash lights, radio); Heavy steering (loss of power assist); Complete loss of braking power; Smoke and fire visible from engine compartment; Engine caught fire after power loss
Repairs/costs cited: Engine required complete replacement; dealerships refused to perform repairs
Recalls/TSBs owners mention: Kia customer support engaged but resolution ongoing; dealerships redirected to manufacturer
Battery Failure with Secondary Engine Stalling
Battery failure at 45,860 miles caused loss of braking assist while vehicle was in motion downhill. After battery replacement, vehicle stalled unexpectedly at low speed in an intersection, with check engine light illuminating and stalling recurring.
When: At 45,860 miles; repeated stalling after initial battery replacement
Symptoms owners cite: Brake pedal loss of effectiveness while driving downhill at 20 mph; Vehicle failed to stop and continued rolling until reaching flat ground; Engine stall at 10 mph in intersection after battery replacement; Check engine light illuminated during stall
Repairs/costs cited: Battery replaced at dealership
Recalls/TSBs owners mention: Manufacturer notified but no follow-up action documented
Corroded and Damaged Dash and Underlying Electrical Components
Extensive rust corrosion observed beneath driver seat and throughout steering control area. Dashboard swollen, split open, and required replacement. Computer and vehicle electronics began malfunctioning after dash replacement, suggesting underlying corrosion-related electrical damage.
When: Present from time of purchase; issues apparent early in ownership
Symptoms owners cite: Extensive rust corrosion under driver seat; Rust on steering control components; Dash swollen and split open; Computer acting erratically after dash replacement; Vehicle electronics malfunctioning
Repairs/costs cited: Dash replaced under what appears to be recall or warranty service; computer issues remain unresolved
Synthesized from 10 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
When will parts be available to fix my KIA 2024 recall. Waiting too long. Safety issue !! TY [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Had electrical trouble with your 2014 Kia Cadenza?
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 2014 Kia Cadenza?
It's a meaningful issue. 10 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Based on the 10 complaints filed, electrical issues most often appear around 31,368 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
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/2014/Kia/Cadenza.
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.