Loose Rear Suspension Fasteners

Affected vehicles (2)

Component / system

Defect

Hyundai Motor America (Hyundai) is recalling certain 2025 Ioniq 5 and 2026 Ioniq 9 vehicles. The fasteners for the rear suspension may loosen and detach, which can result in a loss of vehicle control.

Risk / consequence

A loss of vehicle control increases the risk of a crash.

Remedy

Dealers will inspect and replace the rear suspension fasteners and perform a rear vehicle alignment, as necessary, free of charge. Owner notification letters are expected to be mailed July 17, 2026. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 303. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 20, 2026.

Chronology of events

1. Aug 1, 2025

   on August 1, 2025, alleging suspension noise emanating from the rear of a Hyundai IONIQ 5 vehicle. NASO opened a new investigation and began monitoring field information for similar reports. Additionally, NASO initiated coordination with Mobis (supplier) to obtain additional technical information and develop field survey activities to check the rear suspension systems of potentially affected vehicles in the field. October 15 – The first round of field surveys to confirm tightening torque was conducted. Field surveys continued over the next several weeks. A single vehicle at a vehicle processing center was found with loose rear suspension fasteners during this period. October through December – NASO focused on evaluating durability and potential impacts to adjacent suspension joints. Activities included collaboration with the supplier and HMC to develop durability testing to evaluate loose bolt movement with prolonged vehicle operation. Parameters for evaluation included, but not limited to, drivability, steerability, and detectability. December 15 – Durability testing was performed by HMC. January 22 – HMC shared results of the durability testing, which concluded that a loose bolt condition did not affect adjacent fasteners or key vehicle attributes including drivability, steerability, or crashworthiness. NASO and HMC continued discussion of the test findings. March through April – NASO and HMC focused discussion on new durability testing to further assess the condition, finalizing the test plan on March 31. April 14 through April 27 – Durability testing was conducted at the California Proving Grounds (“CPG”), with the overall findings reviewed by NASO on April 27. May 11 – Based on its investigation findings and recent testing results, NASO convened its North America Safety Decision Authority (“NASDA”) and decided to conduct a safety recall of affected vehicles in the U.S. As of the decision date, Hyundai is aware of two (2) report(s) related to the defect condition in the U.S. market. There are no confirmed crashes, fires, or injuries/fatalities attributable to this condition in the U.S. 7YAKRDDC8SY****** – 8/1/2025 7YAMTFS39TY0****** – 10/15/2025

Notification schedule

Dealer notification

Jul 17, 2026 - Jul 17, 2026 No Dealers

Owner notification

Jul 17, 2026 - Jul 17, 2026 Phased Recall