2026 Hyundai Ioniq 9 Technical Service Bulletins

19 technical service bulletins (TSBs) are on record for the 2026 Hyundai Ioniq 9. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11038798Oct 27, 2026Electrical system. This bulletin provides information related to the navigation and head unit software changes introduced in the 2026 2nd Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2026 2nd Navigation Map and Software Update Key Improvements and Additional Improvements tables in this TSB for a list of specific changes. The software can be downloaded…
• 11038722Oct 15, 2026Back-over prevention (rear camera). Some Hyundai vehicles may be equipped with a parking distance warning (PDW) sensor(s) that may trigger various DTCs and display warning messages on the instrument cluster, resulting in the PDW sensor(s) failing to detect nearby objects or triggering multiple false alarms. This condition may be a result of external damage to the PDW sensor membrane or sensor cover from rock chips or road debris, a collision, or…
• 11036619Aug 19, 2026Fuel system. Some IONIQ 9 (ME1A EV) vehicles may illuminate a MIL warning light with DTC P0AA600 and/or P1AA800 with limited charging capabilities. This bulletin provides instructions to replace the Battery System Assembly (BSA) if necessary.
• 11036210Aug 11, 2026Electrical system. Certain IONIQ 9 (ME1A EV) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
• 11034851Jul 3, 2026Electrical system. Certain Palisade Hybrid (LX3 HEV) vehicles may illuminate the Malfunction Indicator Lamp (MIL) and display a false “Check Hybrid System” warning message after use of Bluelink Remote Start following extended parking periods. Related DTCs associated with the MIL include U116087, U016487, U100787, U012987, U010087, U100387, U100287, U010187, and U015587.
• 11034850Jul 3, 2026Electrical system. Certain IONIQ 9 (ME1A EV) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
• 11032523Apr 10, 2026Air bags. 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 vehicle manufacturers and have primarily been found in vehicles that previously experienced a crash and underwent airbag…
• 11032522Apr 10, 2026Air bags. 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 crashes, theft, or non‑certified airbag replacements. These inflators are not approved for use, may rupture during…
• 11030326Mar 17, 2026Transmission and drivetrain. Certain IONIQ 5 (NEA EV) and IONIQ 9 (ME1A EV) vehicles (affected VINs listed below) may exhibit a high-frequency noise from the front motor area during low-speed deceleration. This bulletin provides instructions to replace the front motor and gear reduction assembly.
• 11029495Feb 24, 2026Other or unknown. Certain IONIQ 9 (ME1A EV) vehicles may have a sliding center console (rear floor console) that makes a ratcheting noise while being moved forward or backward. This bulletin provides instructions to remove and replace the affected sliding center console.
• 11027591Jan 9, 2026Exterior lighting. Certain IONIQ 9 (ME1A EV) vehicles may exhibit adhesive residue on the high mounted stop lamp. This can occur when the clear protective film has had prolonged exposure to sun and heat, causing some of the adhesive to remain on the black plastic housing after removal. Technical Service Bulletin (TSB) 26-01-001H provides instructions to inspect and, if necessary, replace the high mounted stop lamp on affected vehicles.
• 11027590Jan 8, 2026Exterior lighting. Certain IONIQ 9 (ME1A EV) vehicles may exhibit adhesive residue on the high mounted stop lamp. This can occur when the clear protective film has had prolonged exposure to sun and heat, causing some of the adhesive to remain on the black plastic housing after removal. This bulletin provides instructions to inspect and, if necessary, replace the high mounted stop lamp on affected vehicles.
• 11025476Nov 6, 2025Exterior lighting. 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 in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or…
• 11024541Oct 25, 2025Seats. Certain IONIQ 9 (ME1A EV) vehicles may have walk-in switches that are not fully secured. Technical Service Bulletin (TSB) 25-01-050H-1 provides instructions to inspect and, if necessary, replace the walk-in switch.
• 11024512Oct 24, 2025Seats. Certain IONIQ 9 (ME1A EV) vehicles may have walk-in switches that are not fully secured. This bulletin provides instructions to inspect and, if necessary, replace the walk-in switch.
• 11022126Aug 21, 2025Other or unknown. Certain IONIQ 9 (ME1A EV) vehicles may exhibit paint peeling from the left upper garnish on the rear bumper. This bulletin provides instructions to replace the left upper garnish on the rear bumper.
• 11020934Jul 25, 2025Seats. Certain IONIQ 9 (ME1A EV) vehicles may have Walk-in switches (A) that are not fully secured. This bulletin provides instructions to inspect and, if necessary, replace the Walk-in switch (A).
• 11019410Jun 6, 2025Body and structure. Certain 2026MY IONIQ 9 (ME1A EV) vehicles may have fender garnish clips that were not fully inserted during assembly. If the clips were not properly secured, it may result in a visible gap between the fender garnish and the vehicle body. This may also cause interference when the front door is opened. Follow the procedure in this bulletin to inspect the gap between the fender garnish and vehicle body on both driver…
• 11018894May 28, 2025Electrical system. Certain 2026MY IONIQ 9 (ME1A EV) vehicles may have DTC C138201 (Lever Hall Sensor Fault) set in the Electronic Shift Control System which could prevent the vehicle from being shifted out of the “Park” position. This system is also known as Shift-by-Wire Shift Control Unit (SBWSCU). Follow the procedure in this TSB to update the Shift-by-Wire (SBW) software logic.

← All problems reported for the 2026 Hyundai Ioniq 9