2023 Hyundai Tucson: Hybrid system failure
Common wear/failure (not a recall)
Symptoms
Owners of the 2023 Tucson report: hybrid system failure. CarComplaints.com lists 1 owner complaints, average mileage 6,000 miles.
NHTSA has 35 owner complaints for the 2023 Tucson in this area. Examples:
- NHTSA complaint ODI #11752416 (filed 07/23/2026): “The vehicle developed an intermittent but potentially dangerous engine control malfunction. after the engine reached normal operating temperature, the engine speed (rpm) would repeatedly surge while the vehicle was stopped in park and neutral, fluctuating from…”
- NHTSA complaint ODI #11749034 (filed 07/08/2026): “I was on the highway on the way to work when my car started stalling. every time i pressed the gas to give it some power, it would not go anyway where. after getting it towed to get looked at some of the fuel injectors failed and were misfiring. the warning me…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .