This bulletin provides information on identifying dealer stock vehicles with either: ⢠A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. ⢠A 30 Day alert - vehicle has not started and reported an SOC in 30 days.
full bulletin at NHTSA ↗2014 Hyundai Equus electrical problems
moderate 5 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
When does it fail?
Of the 5 electrical complaints filed for the 2014 Hyundai Equus, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
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.
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.
This bulletin provides guidelines to inspect the USB, head unit, and multi-box for common connection conditions. 2. This bulletin presents guidelines to inspect for common Android Auto and Apple CarPlay connection conditions. 3. This bulletin provides physical differences between the USB 2.0 port and USB 3.0 port.
full bulletin at NHTSA ↗This bulletin provides information related to clearing all Diagnostic codes for vehicles equipped with the Blue Link system (Gen 1).
full bulletin at NHTSA ↗This bulletin provides the procedure to write the Vehicle Identification Number (VIN) during the replacement of the Engine Control Module (ECM) or Powertrain Control Module (PCM). Once the VIN has been programmed to the ECM/PCM, it cannot be removed or overwritten.
full bulletin at NHTSA ↗HYUNDAI: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, ON SOME VEHICLES, DUE TO LANE DEPARTURE WARNING SYSTEM (LDWS) NOT HAVING UPDATED SOFTWARE AND DIAGNOSTIC TROUBLE CODES (DTC) C1702, C221. MODEL 2014 EQUUS.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
I am unable. To drive my car anywhere. Each time I start my car. All warning lights flash like a Christmas light. It causes the car to suddenly be slowed down. Or not to go full speed? I got the recall notice in the mail 4 weeks ago. My car has been parked in the garage for four months and has been there ever since. I need my car to go to work and I don't know what else to do. I can only do so…
Takata recall. The car has about 48000 miles. 1) when driving at highway speed, brake self applies forcefully at times when passing or being passed by other vehicles on the adjacent lanes on both sides, almost creating rear-end collisions on a few occasions. 2) when resetting the cruise control to the previous setting, it continues to accelerate past previous setting (over 100 MPH) until…
For the last year or so when driving my Equus the signal lights left or right side has been working intermittently. I can go months without any issues but lately it seems to be worsening. I transport my Mom that has dementia around and its scary because it seems never know when the lights may not work at all. People drive so crazy and if its dark or light they dont see my arm out the window.…
Common questions
How serious is the electrical problem on the 2014 Hyundai Equus?
It's a documented issue but not catastrophic. 5 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?
Based on the 5 complaints filed, electrical issues most often appear around 46,798 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.