2012 Hyundai Genesis problems & reliability
259 owner complaints filed with NHTSA for the 2012 Hyundai Genesis, alongside 2 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
5 complaints report injuries (5 injured).
Federal crash records (FARS 2020–2023): 2012 Hyundai Genesis vehicles were involved in 22 fatal crashes with 12 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine | 68 | 26% |
| Electrical System | 49 | 19% |
| Power Train | 39 | 15% |
| Service Brakes, Hydraulic | 33 | 13% |
| Unknown OR Other | 31 | 12% |
| Service Brakes | 28 | 11% |
| Exterior Lighting | 24 | 9% |
| Steering | 15 | 6% |
| Vehicle Speed Control | 12 | 5% |
| Fuel/propulsion System | 9 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 60,000 miles (middle 50% between 36,000 and 83,000 miles), based on 201 complaints that included mileage.
Complaints by incident year
What owners report
“Brake pedal has been intermittently low/spongy and has progressively gotten worse. During these events, the brake pedal goes nearly to the floorboard, and braking power is weak but will typically function after pumping the pedal repeatedly. Stopping or slowing in an emergency situation may not be possible. There is no…”
Service Brakes · filed Jul 8, 2026
“I am submitting this letter as a formal safety defect complaint regarding my 2012 Hyundai Genesis 5.0 sedan, which is experiencing braking system behavior that directly mirrors the defect described in Hyundai Recall Campaign 114 (NHTSA Campaign 13V489000), despite my vehicle not being included by VIN. Although…”
Service Brakes · filed Feb 6, 2026
“Brake line on driver rear rusted and leaking above brake hose. Cannot drive vehicle safely with this leak. Would leak brake fluid each time I step on brake pedal. Problem magnified when car is on and brake booster is working. Vehicle not at dealer or mechanic yet, but link to video of driver rear brake line leaking on…”
Service Brakes · filed Jan 31, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Brake hydraulic control module failure
Preliminary Evaluation PE13033 · opened Oct 17, 2013 · closed Apr 4, 2014 · led to recall 13V489000
Technical service bulletins
99 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2012 Hyundai Genesis. The 10 most recent:
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co.…
DTN DL · Other · issued Apr 10, 2026
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety…
DTN DCS · Other · issued Apr 10, 2026
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of…
25-BD-012H TSB · Service Bulletin/Repair Instructions · issued Nov 6, 2025
This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2.
24-AT-002H · Service Bulletin/Repair Instructions · issued Apr 9, 2024
This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. If the protective cover is not removed correctly, there is a possibility of the rubber insert and…
24-BD-001H · Service Bulletin/Repair Instructions · issued Feb 14, 2024
This bulletin outlines the basic components of the BG Fuel Test Kit and the procedure to test the quality of the fuel during vehicle diagnosis. Poor fuel quality may lead to cold engine startability issues, hesitation…
24-FL-001G · Service Bulletin/Repair Instructions · issued Feb 2, 2024
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
23-EM-005H · Service Bulletin/Repair Instructions · issued Oct 13, 2023
Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare…
23-BD-007H · Service Bulletin/Repair Instructions · issued Apr 24, 2023
In certain areas, a vehicleâ s underbody may exhibit corrosion due to road-salt usage. As a preventative measure, a cavity wax coating is applied to the internal surfaces of underbody components and an undercoating…
23-01-034H · Service Bulletin/Repair Instructions · issued Apr 12, 2023
In some areas, a vehicleâ s underbody may exhibit corrosion due to road salt usage. As a preventative measure, cavity wax coating is applied to the internal surfaces of underbody components, and an undercoating spray is…
23-01-034H · Service Bulletin/Repair Instructions · issued Apr 12, 2023
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2012 Hyundai Genesis has 2 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2012 Hyundai Genesis?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 60,000 miles — budget accordingly if the car is approaching that mileage.