2018 Hyundai Sonata

4 Technical Service Bulletins (TSBs)

TSB List for the 2018 Hyundai Sonata

Technical Service Bulletins (TSBs) for the 2018 Sonata are official communications between Hyundai & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

  • POWER TRAIN
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • EQUIPMENT:ELECTRICAL

    • POWER TRAIN

    • TSB #5NP-B6Z4E-10

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10118670

      The 2018 Sonata (LFA) 2.0T is equipped with an 8-speed transmission. Do not replace the transmission for any of the solenoid DTC listed below. Instead, follow the Service Procedure on Page 2 and replace the related part. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #5NP-B9K3N-10

      Date Announced:
      SEP 18, 2017
      NHTSA ID:
      #10118671

      Some Sonata Hybrid (LF HEV) vehicles may experience a small oil leak from the electric oil pump (EOP) seals. If so, follow the Service Procedure in this bulletin to inspect and repair the oil seals between the transmission and EOP. Read More »

    • TSB #5NP-B6Z4E-10

      Date Announced:
      SEP 12, 2017
      NHTSA ID:
      #10118670

      The 2018 Sonata (LFA) 2.0T is equipped with an 8-speed transmission. Do not replace the transmission for any of the solenoid DTC listed below. Instead, follow the Service Procedure on Page 2 and replace the related part. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #5NP-V3F8T-09

      Date Announced:
      AUG 03, 2017
      NHTSA ID:
      #10117373

      If you are servicing a vehicle with the DTC or symptoms listed below, refer to the Service Procedure to diagnose the condition. Read More »

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