2020 Hyundai Tucson: Electrical System complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 19 owner complaints for the 2020 Hyundai Tucson that list the electrical system component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11747145 (filed 06/29/2026): “While driving on the expressway my car hit a bump and all the power from the vehicle was lost. i’ve been having issues with my car and have taking it to hyundai dealership. everytime i take it they are saying my car is fixed. but it’s not. now they are saying they didn’t fix it because i didn’t expl…”
- NHTSA complaint ODI #11710997 (filed 01/14/2026): “On december 27, 2025, while driving, the engine suddenly lost power and the vehicle entered limp mode and became undriveable. a warning light appeared and diagnostic code p1326 was later confirmed, indicating engine bearing failure. the vehicle could not be driven safely and required towing to a hyu…”
- NHTSA complaint ODI #11710567 (filed 01/13/2026): “I have experienced 4 repeated issues within 4 months with my vehicle. starting in september 2025 and the 4th and current issue today 1/12/26. driving when all of a sudden all of my brake components lamps come on dash oard, forward collision alert, and check engine, my vehicle struggles to accelerate…”
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 .