2023 Hyundai Santa Fe: Electrical System complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 36 owner complaints for the 2023 Hyundai Santa Fe that list the electrical system component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11762036 (filed 09/03/2026): “Collision warning sensor alarm randomly comes on my dash and my car slams on the breaks. very dangerous, i’m scared to drive down the highway going 60mph. 80,109 miles 2023 hyundai santa fe. i have not brought it in to a hyundai dealership because they want a diagnosis fee and everything else. hyund…”
- NHTSA complaint ODI #11760160 (filed 08/27/2026): “Horn stopped working…”
- NHTSA complaint ODI #11746699 (filed 06/26/2026): “Vehicle stalled while driving — unsafe loss of power. while driving at normal speed, the vehicle suddenly shut off without warning and the electrical system malfunctioned. i had to pull over and restart car. this created a dangerous situation and could have caused a collision. prior to this incid…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Moderate
Finding and splicing chewed wiring is doable with a multimeter and patience but can be time-consuming; harness replacement is pro work. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .