2018 Genesis G90 Transmission and drivetrain Problems
- Complaints
- 2about this part
- Share
- 13%of 16 total for the year
- Median mileage
- 2,850miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the transmission and drivetrain of the 2018 Genesis G90, 13% of the 16 complaints for this model year. Where a mileage was given, the median is 2,850 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“There gear shifter will frequently not select r or d. It often takes 3 or more attempts before it will stay in gear. This is very dangerous when making a 3 point turn maneouver and very inconvenient at other times. This fault occurs every day. The dealer attempted to adjust the shifter without success”
NHTSA complaint #11143445, filed 2018-10, 4,000 milesRelated service bulletins
- 10253275Apr 9, 2024This 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…
- 10202185Sep 29, 2021When servicing a vehicle with a âCheck Engine lightâ and any of the DTCs listed below, follow the Service Procedure to replace the related solenoid and E-module or park…
- 10176181May 4, 2020The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:
- 10174807Apr 17, 2020The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:
- 10174801Apr 9, 2020Certain Genesis G80 and G90 vehicles may experience the Shift By Wire (SBW) system slipping into Neutral when shifting from Reverse to Drive or Drive to Reverse. Replace the…
- 10167236Oct 7, 2019This bulletin provides information regarding the changes in the timing chain and the crankshaft sprockets on certain Genesis G80 (DH) and Genesis G90 (HI) vehicles equipped with…
- 10253027Sep 30, 2019If you are servicing a vehicle with a transmission slipping concern, follow the Service Procedure shown below and perform a stall test. This TSB provides a procedure to test each…
- 10163285Jun 12, 2019This bulletin provides a procedure to diagnose an 8-speed automatic transaxle with a harsh and/or delayed shift.
- 10163280Jun 4, 2019This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear).
- 10161686May 6, 2019The procedure describes the procedure to check the ATF level for 8-speed Rear-Wheel-Drive vehicles.
Transmission and drivetrain: other model years
Other parts of the 2018 Genesis G90
5 complaintsEngine
4 complaintsFuel system
2 complaintsOther or unknown
2 complaintsAir bags
1 complaintsForward collision avoidance
1 complaintsLane departure
1 complaintsLatches, locks and linkages
1 complaintsBody and structure
1 complaintsTires
1 complaints
← All problems reported for the 2018 Genesis G90
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology