2012 Hyundai Equus Electrical system Problems
- Complaints
- 1about this part
- Share
- 13%of 8 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2012 Hyundai Equus, 13% of the 8 complaints for this model year.
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.
“I was driving on the highway and my transmission due to a failed transmission service done to my vehicle caused my vehicle’s transmission to overheat a blowout my transmission cooler and mix coolant and transmission fluid unknown to me because of a clogged transmission cooler line improperly flushed instead of replaced by the Patrick Hyundai dealership there could’ve been and electrical fire or a crash due to these things.”
NHTSA complaint #11748611, filed 2026-07Related service bulletins
- 10174808Apr 23, 2020This bulletin provides information on identifying dealer stock vehicles with either: ⢠A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. ⢠A 30 Day…
- 10170883Jan 16, 2020This bulletin provides guidelines to inspect the USB, head unit, and multi-box for common connection conditions. 2. This bulletin presents guidelines to inspect for common…
- 10160098Apr 15, 2019This bulletin provides the procedure to write the Vehicle Identification Number (VIN) during the replacement of the Engine Control Module (ECM) or Powertrain Control Module…
- 10060977Apr 1, 2014Summary to be provided on a future date.
- 10060958Jan 1, 2014Summary to be provided on a future date.
- 10060955Jan 1, 2014Summary to be provided on a future date.
- 10060954Jan 1, 2014Summary to be provided on a future date.
- 10042544Oct 1, 2011Hyundai: information is provided relating to the update software for the ecm of certain vehicles.
Electrical system: other model years
Other parts of the 2012 Hyundai Equus
4 complaintsEngine
3 complaintsSuspension
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaints
← All problems reported for the 2012 Hyundai Equus
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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