2016 Hyundai Sonata Plug-In Hybrid electrical system problems

What owners report

• “While driving the car getting error message on dashboard "Check Hybrid System Turn Off Engine", The Gas engine turn off and switch to continue on electric till able to pull on the side of the road. Turn Off engine, wait a min. Start car again and working fine. This issue appears randomly many times…”

  filed Mar 30, 2023

• “While driving the hybrid system warning light comes on and says to check hybrid system, vehicle goes into limp mode will not accelerate over 25 mph and codes need to be cleared before vehicle van be driven. This has caused me to almost have several accidents. The vehicle slows down and gives no…”

  filed Jan 6, 2023

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Related recalls

• Smart Junction Box (SJB) software logic may not properly interpret the signals received…
  Campaign 21V749000 · Sep 24, 2021

Related service bulletins

• Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure…

  25-01-024H-1 TSB · Service Campaign · issued May 8, 2025

• This bulletin provides instructions to update the 4th generation AVN head unit software to ensure the SIM Over The Air function for the Bluelink service is operating properly.

  24-01-050H-1 · Service Campaign · issued Sep 11, 2024

• This bulletin provides instructions to update the 4th generation AVN head unit software to ensure the SIM Over The Air function for the Bluelink service is operating properly.

  24-01-050H · Service Bulletin/Repair Instructions · issued Jun 29, 2024

Electrical System problems in other Sonata Plug-In Hybrid years

Other reported problem areas on the 2016 Hyundai Sonata Plug-In Hybrid