AutoUtility currently tracks 16 official NHTSA owner defect complaints for the 2018 Genesis G90. Electrical System issues are the most frequently reported category, appearing in 5 complaints (31.3% of submitted records). Among these NHTSA complaint records, 1 filing cites a crash.

Key Problem Findings
  • • Total NHTSA Complaints: 16 reports
  • • #1 Reported Problem Area: Electrical System (5 reports • 31.3% of submitted complaints)
  • • Secondary Problem Areas: Engine & Cooling (3), Body & Structure (2)
  • • Crash-Citing Complaints: 1 filings
  • • Fire-Citing Complaints: 0 filings
  • • Complaints Reporting Injuries / Fatalities: 0 injury filings • 0 fatality filings
Reporting Methodology: Statistics describe unverified consumer submissions voluntarily filed with NHTSA. Complaint volume is not normalized for vehicle sales volume or miles driven. Multiple components can be cited within a single owner complaint submission.
Total Complaints
16
Submitted to NHTSA ODI
Crash-Citing Complaints
1
Filings citing a collision
Fire-Citing Complaints
0
Filings citing smoke or fire
Complaints Reporting Injuries
0
Filings citing one or more injuries
Complaints Reporting Fatalities
0
Consumer filings citing fatalities

Most Reported Problems for 2018 Genesis G90

Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records

#1 Problem Area 31.3% of complaints

Electrical System

5 owner complaints submitted to NHTSA ODI
⚠️ NHTSA Recall Context

NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:

*Component overlap means an official recall exists for the same broad vehicle system. It does not establish that an individual owner complaint was caused by, covered by, or resolved through that recall.
⚠️ 1 crash report
#2 Problem Area 18.8% of complaints

Engine & Cooling

3 owner complaints submitted to NHTSA ODI
⚠️ NHTSA Recall Context

NHTSA records list 2 official safety recall campaigns for this model year involving the same broad component area:

*Component overlap means an official recall exists for the same broad vehicle system. It does not establish that an individual owner complaint was caused by, covered by, or resolved through that recall.
✓ 0 crashes or fires cited
#3 Problem Area 12.5% of complaints

Body & Structure

2 owner complaints submitted to NHTSA ODI
✓ 0 crashes or fires cited
#4 Problem Area 12.5% of complaints

Powertrain & Transmission

2 owner complaints submitted to NHTSA ODI
✓ 0 crashes or fires cited
#5 Problem Area 12.5% of complaints

Fuel & Propulsion System

2 owner complaints submitted to NHTSA ODI
⚠️ NHTSA Recall Context

NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:

*Component overlap means an official recall exists for the same broad vehicle system. It does not establish that an individual owner complaint was caused by, covered by, or resolved through that recall.
✓ 0 crashes or fires cited
Domain Share Note: Share percentage represents the proportion of unique complaint filings referencing each vehicle system. Because single complaints may cite multiple systems (such as engine and electrical simultaneously), domain percentages represent individual category incidence and may sum to over 100%.

Recent NHTSA Owner Reports for 2018 Genesis G90

Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation

Wheels & Tires NHTSA ODI ID: #11663245
Filed: 05/27/2025

"ProContact GX-SSR CONT M 2754019 SL101H SL BSW"

Incident Date: 03/17/2025 • Raw NHTSA Component: TIRES
Engine & Cooling NHTSA ODI ID: #11603743
Filed: 07/22/2024

"vehicle went dead. replaced the battery. Started after replacement but went dead a few days later. Towed to dublin CA genesis. Diagnosed as water corrosion to wiring harness. vehicle has less than 22000 miles, other than car washes and normal winter driving in CA. Genesis does have a recall for..."

Incident Date: 06/01/2024 • Raw NHTSA Component: ELECTRICAL SYSTEM,ENGINE
Electrical System NHTSA ODI ID: #11598256
Filed: 07/02/2024

"The contact owns a 2018 Genesis G90. The contact received notification of NHTSA Campaign Number: 24V107000 (Electrical System); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair...."

Incident Date: 04/11/2024 • Raw NHTSA Component: ELECTRICAL SYSTEM
Electrical System NHTSA ODI ID: #11588425
Filed: 05/13/2024

"The contact owns a 2018 Genesis G90. The contact received notification of NHTSA Campaign Number: 24V107000 (Electrical System) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount..."

Incident Date: 05/13/2024 • Raw NHTSA Component: ELECTRICAL SYSTEM
Body & Structure NHTSA ODI ID: #11500071
Filed: 01/04/2023

"The internal trunk release latch will not open the trunk. A person inside the trunk compartment may become trapped, increasing their risk of injury. - The trunk latch failed. It is available for inspection, upon request. - A person inside the trunk compartment may become trapped, increasing their..."

Incident Date: 01/02/2023 • Raw NHTSA Component: LATCHES/LOCKS/LINKAGES
Consumer Narrative Notice: Excerpts are sanitized text descriptions submitted by vehicle owners to the federal ODI database. They reflect the reporting consumer's observations at the time of filing and have not been independently confirmed by vehicle manufacturers or government investigators.

Complaint History for Genesis G90

Reported defect complaint volume across sibling model years (2017–2026)

Model Year NHTSA Complaints Crash Reports Safety Recalls Detailed Report
2017 Genesis G90 24 3 3 View 2017 Problems →
2018 Genesis G90 Current Page 16 1 4 Current
2019 Genesis G90 6 0 2 View 2019 Problems →
2020 Genesis G90 2 1 1 View 2020 Problems →
2021 Genesis G90 5 1 1 View 2021 Problems →
2022 Genesis G90 4 0 2 View 2022 Problems →
2023 Genesis G90 5 1 6 View 2023 Problems →
2024 Genesis G90 3 0 4 View 2024 Problems →
2025 Genesis G90 2 0 4 View 2025 Problems →
2026 Genesis G90 0 0 2 View 2026 Problems →
Comparative Disclaimer: Complaint totals are unadjusted historical counts and are not normalized for vehicles sold, active fleet size, or total road mileage. Newer model years naturally have had less calendar exposure time to accumulate owner filings.

Detailed NHTSA Component Breakdown for 2018 Genesis G90

Complete distribution of consumer defect reports across all 12 granular NHTSA system and subsystem classifications

Vehicle Component / System Total Complaints Crash Reports Fire Reports Reported Injury Entries Reported Fatality Entries
Electrical System NHTSA category: ELECTRICAL SYSTEM 3 0 0 0 0
Engine NHTSA category: ENGINE 2 0 0 0 0
Other / Uncategorized NHTSA category: UNKNOWN OR OTHER 2 0 0 0 0
Air Bags NHTSA category: AIR BAGS 1 0 0 0 0
ELECTRICAL SYSTEM,ENGINE 1 0 0 0 0
ELECTRICAL SYSTEM,LANE DEPARTURE,FORWARD COLLISION AVOIDANCE 1 1 0 0 0
Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM 1 0 0 0 0
Doors, Latches & Locks NHTSA category: LATCHES/LOCKS/LINKAGES 1 0 0 0 0
Powertrain NHTSA category: POWER TRAIN 1 0 0 0 0
POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM 1 0 0 0 0
Structure & Body NHTSA category: STRUCTURE 1 0 0 0 0
Tires NHTSA category: TIRES 1 0 0 0 0
Data Attribution & Reporting Methodology: Complaints are unverified voluntary submissions to the NHTSA Office of Defects Investigation (ODI). Because multiple vehicle components can be cited within a single owner complaint submission, component-level rollups may sum to more than the unique complaint count (16). Injury and fatality entries in the detailed table reflect raw values entered by reporting consumers across individual submissions; they are not deduplicated casualty statistics and may include duplicate or unverified entries. Complaint volume is not normalized for sales volume or vehicle mileage and does not represent an audited component failure rate.

Related Official Reports for 2018 Genesis G90

Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year

Official US Government Data Provenance

The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.