2012 Hyundai EQUUS problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
8 owner complaints analyzed
1 distinct recall campaigns
41,000 mi median reported failure mileage
Scope: 2012 model year. Data snapshot: . 5 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Power Train is the most frequently named component, appearing in 4 of 8 complaints (50.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 3 | 37.5% |
| Electrical and battery issues | 1 | 12.5% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Power Train | 4 |
| Engine | 3 |
| Suspension | 2 |
| Air Bags | 1 |
| Electrical System | 1 |
| Electronic Stability Control (Esc) | 1 |
Power Train: 4; Engine: 3; Suspension: 2; Air Bags: 1; Electrical System: 1; Electronic Stability Control (Esc): 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 1 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 2; 50,000 to 74,999: 0; 75,000 to 99,999: 1; 100,000 to 149,999: 1; 150,000 and above: 0
25,000 to 49,999 miles has the most reports with usable mileage (2). 3 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2014 | 1 |
| 2015 | 2 |
| 2020 | 2 |
| 2026 | 3 |
2014: 1; 2015: 2; 2020: 2; 2026: 3
Pattern summary
Power Train leads the component reports. Transmission and shifting appears in 3 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11748611 · 2026-07-06 (July 6, 2026)
I was driving on the highway and my transmission due to a failed transmission service done to my vehicle caused my vehicle’s transmission to overheat a blowout my transmission cooler and mix coolant and transmission fluid unknown to me because of a clogged transmission cooler line improperly flushed instead of replaced by the Patrick Hyundai dealership there could’ve been and electrical fire or a crash due to these things.
Owner-reported narrative. Look up ODI 11748611 at NHTSA ↗
Owner report 11749120 · 2026-07-08 (July 8, 2026)
I am reporting a severe vehicle safety hazard involving a sudden loss of motive power and extreme thermal failure on my 2012 Hyundai Equus Signature 5.0L. In July 2022, at 88,845 miles, an authorized Hyundai dealership replaced the transmission under a factory warranty event. Rather than replacing the transmission oil cooler assembly, which was contaminated with heavy metal shrapnel from the original mechanical breakdown, the servicing dealer chose to only flush the lines, creating a latent fluid restriction. After approximately 18,000 miles of…
Owner-reported narrative. Look up ODI 11749120 at NHTSA ↗