Hyundai Junction Box Recall: What Owners Need to Know

Hyundai recently issued a recall affecting certain junction box units across multiple models, drawing attention from vehicle owners and safety regulators alike. The junction box plays a critical role in managing electrical connections and signals within the car, and defects in this component can lead to intermittent failures, warning light malfunctions, and in rare cases, electrical hazards. This recall targets vehicles manufactured between 2018 and 2023, particularly models with specific wiring configurations susceptible to component wear or improper installation. Owners are urged to inspect their junction boxes for warning labels and contact authorized Hyundai service centers immediately if identified. Hyundai’s swift response underscores its commitment to vehicle safety, ensuring drivers remain protected from potential electrical faults on the road.

The affected junction boxes may experience intermittent connection failures, especially under high electrical load or extreme temperatures, posing risks such as dashboard warning light malfunctions or reduced system responsiveness. While rare, these issues can compromise vehicle monitoring functions crucial for modern driving safety. Hyundai’s recall initiative highlights the importance of proactive maintenance—delaying repairs may increase vulnerability to electrical faults that could escalate into more serious problems.

For impacted vehicle owners, the recall process is simple: visit the nearest Hyundai dealership, schedule a diagnostic check, and receive a replacement or repair at no cost. Hyundai has prioritized transparency, providing detailed recall notices via email and their official website to ensure timely awareness. By staying informed and acting promptly, drivers can safeguard their vehicles and maintain optimal electrical system performance, reinforcing confidence in Hyundai’s ongoing safety commitments.

The Hyundai junction box recall serves as a crucial reminder of the importance of staying vigilant about vehicle safety. By addressing potential electrical risks promptly, owners protect their cars and themselves on the road. With Hyundai’s transparent recall process and commitment to quality, drivers can drive with greater confidence—knowing their vehicle’s electrical systems are secure and reliable.

The Smart Junction Box ("SJB") software logic may not properly interpret the signals received from the multifunction switch in certain circumstances. As a result, the turn signal may intermittently activate in the opposite direction of what was intended by the driver, thereby increasing the risk of a crash. The bulletin TSB# 21.

SAFETY RECALLS AND SERVICE CAMPAIGNS SAFETY RECALLS AND SERVICE CAMPAIGNS Updated as of 11/19/2025 What this VIN search tool covers: Lookup Safety Recalls and Service Campaigns by VIN Information on the repair remedy; Your preferred Hyundai dealer will complete the repairs FREE OF CHARGE Schedule an appointment online to help minimize any. This bulletin provides information related to the Smart Junction Box (SJB) software update for certain Sonata, Sonata Hybrid, and Sonata Plug. Defect Summary: Hyundai motor america (hyundai) is recalling certain 2015-2017 sonata, 2016-2017 sonata hybrid, and sonata plug-in hybrid vehicles.

the smart junction box (sjb) software logic may not properly interpret the signals received from the multifunction switch, which could cause the turn signal to activate in the opposite direction of what the driver intended. Manufacturer Notices (to Dealers,etc) - Recall 210 Smart Junction Box - Dealer Best Practice Hyundai Motor America (Hyundai) is recalling certain 2015-2017 Sonata, 2016-2017 Sonata Hybrid, and. Hyundai Motor America (Hyundai) is recalling certain 2015-2017 Sonata, 2016-2017 Sonata Hybrid, and Sonata Plug-In Hybrid vehicles.

The Smart Junction Box (SJB) software logic may not properly interpret the signals received from the multifunction switch, which could cause the turn signal to activate in the opposite direction of what the driver intended. Hyundai is initiating recall campaign 210, a safety recall to repair a condition involving the Smart Junction Box ("SJB") in certain model year 2015-2017 Hyundai Sonata, 2016-2017 Hyundai Sonata Hybrid, and 2016-2017 Hyundai Sonata Plug-in Hybrid vehicles in the U.S. and Canada.

The Smart Junction Box ("SJB") software logic may not properly interpret the signals received from the. The recall also included the 2017 Hyundai Tucson. The repair Hyundai will notify affected owners on November 19, 2021.

Dealers will update the software on the junction box to resolve the issue. Is your vehicle a part of this recall? To check if your vehicle is a part of this Sonata recall, use MotorSafety's free vehicle lookup tool. To resolve the issue, dealers will update the Smart Junction Box software.

Vehicle manufacturers are legally required to repair any recalled issues or replace the defective part for free under the Highway Safety Act of 1970. If the dealership refuses to fix the problem or attempts to charge you for the repair, contact the manufacturer immediately. Hyundai Motor America (Hyundai) is recalling certain 2015-2017 Sonata, 2016-2017 Sonata Hybrid, and Sonata Plug-In Hybrid vehicles.

The Smart Junction Box (SJB) software logic may not properly.