2018 Hyundai Santa FE Sport electrical system problems
20 owner complaints filed with NHTSA name the electrical system on the 2018 Hyundai Santa FE Sport — 6% of all complaints for this model year.
What owners report
“I was told by a mechanic that something electrical is wrong with the vehicle it causes the engine to misfire. Different issue than before.”
filed Apr 1, 2026
“My starter failed while out shopping. No issues starting the car departing from my home, but would not start in the store parking lot. My mechanic did not provide the broken part for inspection however everyone commented that is was very unusual for it to fail as I only have roughly 25,000 miles on…”
filed Feb 4, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Certain 2012 – 2017 model year Accent, 2012 – 2017 model year Azera, 2013 – 2018 model year Santa Fe Sport, 2013 – 2019 model year Santa Fe, and 2012 – 2017 model year Veloster vehicles may exhibit an intermittent…
Z01 Letter · Warranty Program/Extension · issued May 23, 2026Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin provides instructions for updating the Engine…
26-01-013H-2 TSB · Service Campaign · issued May 21, 2026Following completion of Service Campaign 9C2 (Theta II Emissions Improvement), certain vehicles may exhibit a brief hesitation or rough shifting condition during cold start operation. If present, this condition is…
9C2 060518 · Service Campaign · issued May 19, 2026Some vehicles listed below may exhibit an intermittent airbag warning light and DTC(s) B1763 (OCS ECU Defect), and/or B1764 (OCS Mat Defect) may be stored. Hyundai is extending the warranty coverage of the sensor for…
26-BE-011H DN · Warranty Program/Extension · issued Apr 25, 2026Some vehicles listed below may exhibit an intermittent airbag warning light and DTC(s) B1763 (OCS ECU Defect), and/or B1764 (OCS Mat Defect) may be stored. Hyundai is extending the warranty coverage of the sensor for…
26-BE-011H TSB · Warranty Program/Extension · issued Apr 25, 2026
Electrical System problems in other Santa FE Sport years
| Year | Reports | Share |
|---|---|---|
| 2017 Santa FE Sport | 13 | 4% |
| 2016 Santa FE Sport | 6 | 9% |
| 2015 Santa FE Sport | 8 | 10% |
| 2014 Santa FE Sport | 21 | 13% |
| 2013 Santa FE Sport | 14 | 7% |
Other reported problem areas on the 2018 Hyundai Santa FE Sport
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.