2021 Hyundai Palisade Technical Service Bulletins

130 technical service bulletins (TSBs) are on record for the 2021 Hyundai Palisade. 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.

• 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…
• 11038430Oct 8, 2026Engine. Certain Palisade (LX2) and Santa Fe (NC) vehicles equipped with Lambda II 6-cylinder engines may exhibit higher-than-expected engine oil consumption. This bulletin outlines the combustion chamber cleaning procedure for vehicles diagnosed with this condition.
• 11038456Oct 7, 2026Engine. Certain vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin provides the inspection and repair procedures for vehicles exhibiting this condition. All internal combustion engines consume engine oil as part of normal engine operation. Oil consumption rates may vary based on mileage, operating conditions, driving habits, and maintenance history.
• 11037233Aug 26, 2026Other or unknown. Certain vehicles may exhibit excessive paint peeling or bubbling of the primer/paint film on the exterior metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. This warranty extension only applies to factory-applied paint and does not cover collision-related paint repairs or vehicles with a salvaged title.
• 11036207Aug 3, 2026Engine. Certain 2020 – 2025 model year Palisade vehicles may exhibit engine oil leakage at the engine oil filter housing assembly due to deterioration of the housing seal. At Hyundai, we are committed to providing vehicles of outstanding quality and value.
• 11035035Jul 15, 2026Suspension. Certain 2020 – 2024 model year Palisade vehicles may exhibit a clunking or thumping noise from the rear of the vehicle while driving over rough roads. This may be caused by worn rear self-leveling shock absorbers. At Hyundai, we are committed to providing vehicles of outstanding quality and value.
• 11034027Jun 17, 2026Electrical system. Some Palisade (LX2), Tucson (NX4), and Tucson Hybrid (NX4 HEV) vehicles may experience battery drain due to continuous operation of the cooling fan after vehicle ignition has been turned off, potentially resulting in a no-start condition. The continuous cooling fan operation is caused by a stuck relay in the engine room PCB block. This bulletin provides instructions to replace the engine room PCB block to ensure…
• 11033836Jun 11, 2026Suspension. Certain Palisade (LX2) vehicles may exhibit a clunking or thumping noise from the rear of the vehicle while driving over rough roads. This may be caused by worn self-leveling rear shock absorbers. Hyundai is extending the warranty coverage for the self-leveling rear shock absorbers to 10 years/120,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for…
• 11033709Jun 1, 2026Suspension. Some Palisade (LX2) vehicles may produce noise from AWD coupling vibrations when making turns caused by a logic error with the All Wheel Drive Electronic Control Unit (AWD ECU). This bulletin provides instructions to update the AWD ECU to reduce the coupling noise.
• 11033708May 30, 2026Engine. Some Palisade (LX2) vehicles may exhibit engine oil leakage at the engine oil filter housing assembly due to deterioration of the housing seal. Hyundai is extending the warranty coverage for the engine oil filter housing seal to 15 years / 180,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners.
• 11033707May 30, 2026Engine. Some Palisade (LX2) vehicles may exhibit engine oil leakage at the engine oil filter housing assembly due to deterioration of the housing seal. Hyundai is extending the warranty coverage for the engine oil filter housing seal to 15 years / 180,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners.
• 11033706May 30, 2026Engine. Some Palisade (LX2) vehicles may exhibit engine oil leakage at the engine oil filter housing assembly due to deterioration of the housing seal. Hyundai is extending the warranty coverage for the engine oil filter housing seal to 15 years / 180,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners.
• 11033704May 22, 2026Suspension. Certain Palisade (LX2) vehicles may exhibit a clunking or thumping noise from the rear of the vehicle while driving over rough roads. This may be caused by worn self-leveling rear shock absorbers. Hyundai is extending the warranty coverage for the self-leveling rear shock absorbers to 10 years/120,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for…
• 11033703May 22, 2026Suspension. Certain Palisade (LX2) vehicles may exhibit a clunking or thumping noise from the rear of the vehicle while driving over rough roads. This may be caused by worn self-leveling rear shock absorbers. Hyundai is extending the warranty coverage for the self-leveling rear shock absorbers to 10 years/120,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for…
• 11033702May 22, 2026Suspension. Certain Palisade (LX2) vehicles may exhibit a clunking or thumping noise from the rear of the vehicle while driving over rough roads. This may be caused by worn self-leveling rear shock absorbers. Hyundai is extending the warranty coverage for the self-leveling rear shock absorbers to 10 years/120,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for…
• 11032529Apr 28, 2026Other or unknown. Certain Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The paint warranty coverage for affected vehicles has been extended to 10 years/unlimited miles from the date of original retail delivery or date of first use and is valid for original and subsequent owners.
• 11032528Apr 28, 2026Other or unknown. Some Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The paint warranty coverage for affected vehicles has been extended to 10 years/unlimited miles from the date of original retail delivery or date of first use and is valid for original and subsequent owners.
• 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…
• 11028665Feb 3, 2026Engine. Certain Palisade (LX2) vehicles equipped with 3.8L GDI Lambda II engines may not meet engine-out NOx (Nitrogen Oxides) and Particulate Matter (PM) emission standards. Technical Service Bulletin (TSB) 26-01-010H provides the service procedure to update the emission logic within the Engine Control Module (ECM) to improve engine-out NOx and PM emissions, so they are within permissible specifications.
• 11028664Feb 3, 2026Engine. Certain Palisade (LX2) vehicles equipped with 3.8L GDI Lambda II engines may not meet engine-out NOx (Nitrogen Oxides) and Particulate Matter (PM) emission standards. The service procedure provides an update to the emission logic within the Engine Control Module (ECM) to improve engine-out NOx and PM emissions, so they are within permissible specifications.
• 11028663Feb 3, 2026Engine. Certain Palisade (LX2) vehicles equipped with 3.8L GDI Lambda II engines may not meet engine-out NOx (Nitrogen Oxides) and Particulate Matter (PM) emission standards. This bulletin provides the service procedure to update the emission logic within the Engine Control Module (ECM) to improve engine-out NOx and PM emissions, so they are within permissible specifications.
• 11026704Dec 19, 2025Electrical system. In response to this trend, we engineered a software upgrade that addresses the social media theft method and made it available to owners of eligible models free of charge at authorized Hyundai dealers since early 2023. In addition to the anti-theft software, we’ve developed a new zinc-reinforced ignition cylinder protector hardware upgrade that can be installed at the ignition cylinder location to provide…
• 11027035Dec 15, 2025Electrical system. Upon customer's request ONLY, the Technical Service Bulletin (TSB) 25-01-089H provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows. This repair procedure is being provided in addition to the previous Anti-Theft software provided under Service Campaign 993 (TSB 24-01-009H-1).
• 11027034Dec 15, 2025Electrical system. In addition to the Anti-Theft software provided under Service Campaign 993 (TSB 24-01-009H-1), a zinc reinforced ignition cylinder protector hardware upgrade is being made available to customers upon request. This supplemental security measure is to be installed at the ignition switch location and provides additional protection against the social media theft method. Vehicles not equipped with an immobilizer during…
• 11027033Dec 15, 2025Electrical system. This bulletin provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows.
• 11026618Dec 13, 2025Suspension. Certain Palisade (LX2) vehicles may exhibit a clunking or thumping noise from the rear of the vehicle while driving over rough roads. This may be caused by worn self-leveling rear shock absorbers. Hyundai is extending the warranty coverage for the self-leveling rear shock absorbers to 10 years/120,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for…
• 11026617Dec 13, 2025Suspension. Certain Palisade (LX2) vehicles may exhibit a clunking or thumping noise from the rear of the vehicle while driving over rough roads. This may be caused by worn rear self-leveling shock absorbers. Hyundai is extending the warranty coverage for the self-leveling rear shock absorbers to 10 years/120,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for…
• 11026616Dec 13, 2025Suspension. Certain Palisade (LX2) vehicles may exhibit a clunking or thumping noise from the rear of the vehicle while driving over rough roads. This may be caused by worn self-leveling rear shock absorbers. Hyundai is extending the warranty coverage for the self-leveling rear shock absorbers to 10 years/120,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for…
• 11026615Dec 12, 2025Other or unknown. Certain 2020-2025MY Palisade (LX2) vehicles may experience reduced A/C performance due to an out of specification A/C compressor pulley and hub assembly. Follow the procedure outlined in this bulletin to inspect and determine whether to replace the compressor assembly or only the pulley using the service kit.
• 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…
• 11023692Sep 30, 2025Electrical system. This bulletin provides information related to the changes introduced in the 2025 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system as described in this TSB.
• 11022124Aug 20, 2025Other or unknown. Certain 2020-2025MY Palisade (LX2) vehicles may experience reduced A/C performance due to an out of specification A/C compressor pulley and hub assembly. Follow the procedure outlined in this bulletin to inspect and determine whether to replace the compressor assembly or only the pulley using the service kit.
• 11019525Jun 18, 2025Other or unknown. Certain 2015 – 2018 model year Elantra, 2015 – 2019 model year Sonata, 2017 – 2021 model year Tucson, 2017 – 2018 model year Santa Fe Sport, 2019 model year Santa Fe, 2021 – 2023 model year Santa Fe Hybrid, and 2020 – 2023 model year Palisade vehicles may exhibit excessive paint peeling or bubbling of the primer/paint film on the exterior metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and…
• 11019671Jun 9, 2025Other or unknown. Some vehicles may exhibit excessive paint peeling or bubbling of the primer/paint film on the exterior metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. This warranty extension only applies to factory-applied paint and does not cover collision-related paint repairs or vehicles with a salvaged title.
• 11018733May 31, 2025Seat belts. Certain 2020 – 2025 model year Palisade vehicles may experience abnormal seat belt buckle(s) operation. At Hyundai, we are committed to providing vehicles of outstanding quality and value. In an effort to meet this commitment, Hyundai is extending warranty coverage for the Seat Belt Buckle under this condition to 15 years/150,000 miles (whichever occurs first) from the date of original retail delivery or date of…
• 11018889May 24, 2025Other or unknown. Description: Certain Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The paint warranty coverage for affected vehicles has been extended to 10 years/unlimited miles from the date of original retail delivery or date of first use, and is valid for original and subsequent owners.
• 11018888May 24, 2025Other or unknown. Certain Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The paint warranty coverage for affected vehicles has been extended to 10 years/unlimited miles from the date of original retail delivery or date of first use, and is valid for original and subsequent owners.
• 11018887May 20, 2025Seat belts. Certain 2020-2025MY Palisade (LX2) vehicles may experience abnormal seat belt buckle(s) operation. Hyundai has extended warranty coverage for the seat belt buckle under this condition to 15 years/150,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners.
• 11018876May 16, 2025Electrical system. This bulletin provides information related to the changes introduced in the 2024 2nd Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2024 2nd Navigation Map and Software Update Improvements section in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater (NAU) and updated by USB. The NAU website…
• 11018575May 8, 2025Electrical system. 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 in this TSB to reestablish the connection via the AVN pinhole reset method.
• 11018573May 7, 2025Seat belts. Certain 2020-2025MY Palisade (LX2) vehicles may experience abnormal seat belt buckle(s) operation. Hyundai is extending warranty coverage for the seat belt buckle under this condition to 15 years/150,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners.
• 11018572May 7, 2025Seat belts. Certain 2020-2025MY Palisade (LX2) vehicles may experience abnormal seat belt buckle(s) operation. Follow the procedure in this TSB to inspect the concerning seat belt buckle(s) for abnormal symptoms with buckle insertion, ejection feeling, sound, or potential debris that influences operation. If any of the above symptoms are found, replace the seat belt buckle(s).
• 11017111Apr 7, 2025Electrical system. 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. If you are experiencing issues with remote commands, or other Bluelink services, please see the instructions below to reestablish the connection via the AVN pinhole reset method.
• 11016995Apr 4, 2025Seat belts. Certain 2020 - 2024MY vehicles may experience seat belts that are twisted due to excessive space in the D-ring. Hyundai is extending warranty coverage for the seat belts under this condition to 10 years/100,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners. Follow the service procedure in this TSB to visually inspect and…
• 11016994Apr 4, 2025Seat belts. Certain 2020 - 2024MY Palisade (LX2) vehicles may experience seat belts that are twisted due to excessive space in the D-ring. Hyundai is extending warranty coverage for the seat belts under this condition to 10 years/100,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners.
• 11015936Mar 18, 2025Electrical system. 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 in this TSB to reestablish the connection via the AVN pinhole reset method.
• 11012336Jan 4, 2025Seat belts. Certain 2020 – 2024 model year Hyundai Palisade vehicles may experience seat belts that are twisted due to excessive space in the D-ring. At Hyundai, we are committed to providing vehicles of outstanding quality and value. In an effort to meet this commitment, Hyundai is extending the warranty coverage for the seat belts under this condition to 10 years/ 100,00 miles from the date of original retail delivery or…
• 11012044Dec 19, 2024Other or unknown. Some 2020-2022MY Palisade (LX2) vehicles may experience reduced A/C performance due to an out of specification A/C compressor pulley and hub assembly. Follow the procedure outlined in this bulletin to inspect and determine whether to replace the compressor assembly or only the pulley using the service kit.
• 11010981Nov 16, 2024Seat belts. Certain 2020 - 2024MY Palisade (LX2) vehicles may experience seat belts that are twisted due to excessive space in the D-ring. Hyundai is extending warranty coverage for the seat belts under this condition to 10 years/100,000 miles from the date of original retail delivery or date of first use (whichever occurs first) and is valid for original and subsequent owners.

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