2020 Hyundai Ioniq Plug-In Hybrid problems, complaints & recalls
Most-reported problem areas: Service Brakes (2) · Visibility/Wiper (1) · Power Train (1)
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (40)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-10-08 · 26-EM-016H TSB · Service Bulletin/Repair Instructions
some vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. this bulletin outlines the combustion chamber cleaning procedure for vehicles diagnosed with this condition. all internal combustion engines consume some engine oil during normal operatio
Engine 2026-10-07 · 26-EM-015H TSB · Service Bulletin/Repair Instructions
certain vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. this bulletin provides the inspection and repair procedures for vehicles exhibiting this condition. all internal combustion engines consume engine oil as part of normal engine operatio
Air Bags 2026-04-10 · DTN DL · Other
the national highway traffic safety administration (nhtsa) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by jilin province detiannuo automobile safety system co., ltd. (dtn). these inflators were not supplied, approved, or authorized by the vehi
Air Bags 2026-04-10 · DTN DCS · Other
the national highway traffic safety administration (nhtsa) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by jilin province detiannuo automobile safety system co., ltd. (dtn), that have been identified in u.s. vehicles following prior
Exterior Lighting 2025-11-06 · 25-BD-012H TSB · Service Bulletin/Repair Instructions
this bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (drl), or fog lamp. this tsb illustrates the various causes of condensation inside the lamp assembly. lamp assembly replacement is not necessary
Electrical System 2025-09-30 · 25-BE-020H TSB · Service Bulletin/Repair Instructions
this bulletin provides information related to the changes introduced in the 2025 1st navigation map and software update. the changes may vary depending on vehicle type, model, and navigation system as described in this tsb.
Showing the 6 most recent of 40 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-14 · Unknown Or Other“backup camera quality has greatly degraded. can barely make out what is behind you with camera. afraid will hit something. …”
2026-09-22 · Engine“the engine coolant can leak into the exhaust because air a known design flaw. when the the engine turns on after being in electric mode the coolant pump starts and pushes it out the exhaust causing a sudden over heating of the engine. this causes the car to stall and can be very dangerous at freeway speeds.…”
2026-01-08 · Power Train · 💥 crash“when the engine is turned off, and the car is not in park, it rolls. when the engine is turned off the car should automatically switch to p to prevent it from rolling. our car was left in r with the engine off. and instead of switching to p automatically, it just rolled away and hit the neighbors garage.…”
2025-03-24 · Service Brakes“i leased the vehicle in 03-2021 and within the first year took the car back to the dealer 3 times for complaint on braking system. the brake pedal would loose pressure and stopping distance would extend further than anticipated. the dealer consistently told me that they could not duplicate the problem. now has gotten to the point that ebp light and…”
2024-06-27 · Visibility/Wiper“the display does not always show reverse camera when backing up. not often, but does occur. i can use mirrors, etc. annoying as it is a learned experience with this car, and when reverse camera is not operational it does limit view behind car due to design. i did capture video this time as it isn't first occurrence. i was in parking lot where …”
2020-08-13 · Service Brakes · 973 mi · 💥 crash · 🔥 fire“i was driving on a 6 lane rd., nearing an intersection. i was in the middle lane, traffic on both sides of me. when i applied the brakes to stop the car, my brakes failed. i ended up hitting the car in front of me. i was lucky that we were all driving at a very slow speed an i did not have serious injuries, just one week of neck and back pain. the …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.