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Electrical systemPart report

2018 Hyundai Elantra GT Electrical system Problems

Complaints
4about this part
Share
8%of 51 total for the year
Median mileage
20,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the electrical system of the 2018 Hyundai Elantra GT, 8% of the 51 complaints for this model year. Where a mileage was given, the median is 20,000 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.

“After switching engine off, some electrical (maybe ignition) remains on which sometimes drains battery. This issue has always occurred upon shutting car off.”

NHTSA complaint #11266182, filed 2019-10, 30,000 miles

“when i was in the rear seat and closed left side door, i found myself stuck. the window would not go down from switch as well so i could not use outside handle for exit. after climbing to other side of backseat with my physical impairment (difficult in tight space backseat) i exited and checked outer handle the door opened. i then checked child saftey lock switch and it was not in child safety position. i checked the window power switch at driver door main control and window went down but not back up.”

NHTSA complaint #11647588, filed 2025-03

“On 6/27/24 while starting my car in the morning an ABS failure light came on, various other system failure lights came on and have stayed on since that day including Cruise Control and Auto Hold. My car only had 33,250 miles on it! I purchased for an OBDII Reader hoping the failure was just a Wheel Speed Sensor. Unfortunately, the error code registered in the ECU was C240201 “Motor Failure” I brought in my car to a very reputable Auto repair shop, and for a $139 diagnosis fee, they confirmed that the ABS Motor / Pump had failed. …”

NHTSA complaint #11647151, filed 2025-03

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
201848%
201728%
2016114%
2014225%

Other parts of the 2018 Hyundai Elantra GT

Engine
30 complaintsOther or unknown
7 complaintsTransmission and drivetrain
5 complaintsBrakes
4 complaintsForward collision avoidance
4 complaintsFuel system
4 complaintsExterior lighting
3 complaintsLane departure
2 complaintsTires
2 complaintsVehicle speed control
2 complaintsBack-over prevention (rear camera)
1 complaintsSteering
1 complaints

← All problems reported for the 2018 Hyundai Elantra GT

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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