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Service bulletins for the 2023 Hyundai Palisade

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

76 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
26-EM-015H TSB2026-10-13. Service bulletin. ENGINE. 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. Hyundai recommends following the prescribed maintenance schedule and periodically checking the engine oil level using the dipstick to maintain proper engine oil level.
26-EM-017H TSB2026-10-09. Service bulletin. ENGINE. 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. All internal combustion engines consume some engine oil during normal operation, depending on driving conditions and mileage, and this procedure should only be performed when deemed necessary based on inspection and diagnosis of the vehicle as outlined in TSB 26-EM-015H, Engine Oil Consumption – Inspection & Repair Guidelines, or the latest revision.
Z15 OL2026-08-15. Warranty extension. ENGINE. 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. In an effort to meet this commitment, the warranty coverage for the Engine Oil Filter Housing Seal under these conditions has been extended 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.
26-EM-012H DCS2026-06-06. Warranty extension. ENGINE. 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. Follow the procedure in Technical Service Bulletin (TSB) 26-EM-012H to replace the engine oil filter housing seal in order to address this condition. Please note that any vehicles within 15 years / 180,000 miles are covered by this TSB, even if the vehicle is still within the New Vehicle Limited Warranty (NVLW) of 5 years / 60,000 miles or Powertrain Warranty of 10 years / 100,000 miles (for the original owner).
26-EM-012H DN2026-06-06. Warranty extension. ENGINE. 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. Please note any vehicles within 15 years / 180,000 miles are covered by this TSB, even if the vehicle is still within the New Vehicle Limited Warranty (NVLW) of 5 years / 60,000 miles or Powertrain Warranty of 10 years / 100,000 miles (for the original owner).
26-EM-012H TSB2026-06-06. Warranty extension. ENGINE. 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. Follow the procedure in this bulletin to replace the engine oil filter housing seal in order to address this condition.
9C8 9C9 OL Combo2026-02-24. Service campaign. ENGINE; SERVICE BRAKES. Hyundai Motor America wants you to be aware of two Important Service Campaigns related to your Hyundai vehicle. Enclosed are the notification letters for Service Campaign 9C8 and Service Campaign 9C9.
9C9 OL2026-02-24. Service campaign. ENGINE. Hyundai has become aware that certain Palisade vehicles equipped with 3.8L GDI Lambda II engines may not meet engine-out NOx (Nitrogen Oxides) and Particulate Matter (PM) emission standards.
26-01-010H DCS2026-02-10. Service campaign. ENGINE. 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. Additionally, improvements to reduce noise during engine start, and enhanced thermostat logic, are also included in the updated ECM software.
26-01-010H DN2026-02-10. Service campaign. ENGINE. 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. Additionally, improvements to reduce noise during engine start, and enhanced thermostat logic, are also included in the updated ECM software.
26-01-010H TSB2026-02-10. Service campaign. ENGINE. 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. Additionally, improvements to reduce noise during engine start, and enhanced thermostat logic, are also included in the updated ECM software.
23-EM-005H2023-12-15. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
23-01-045H2023-06-02. Service bulletin. ENGINE AND ENGINE COOLING. Certain 2023MY Palisade (LX2) vehicles may have been produced with the incorrect size water outlet hose clamp during assembly. This can result in a coolant leak during engine operation. Follow the procedure outlined in this TSB to inspect and, if necessary, replace the water outlet hose clamp with the correctly sized hose clamp as listed in the parts catalog.
23-01-042H2023-06-02. Service bulletin. ENGINE AND ENGINE COOLING. Certain Palisade (LX2) and Santa Fe Plug-In Hybrid (TM PHEV) vehicles may have been produced with engine mounting support bracket fasteners that were not tightened to torque specification. Follow the procedure outlined in this bulletin to retighten the indicated fasteners to the correct specified torque values.
23-01-042H2023-05-05. Service bulletin. ENGINE AND ENGINE COOLING. Certain Palisade (LX2) and Santa Fe Plug-In Hybrid (TM PHEV) vehicles may have been produced with engine mounting support bracket fasteners that were not tightened to torque specification. Follow the procedure outlined in this bulletin to retighten the indicated fasteners to the correct specified torque values.
23-AT-003H2023-05-02. Service bulletin. ENGINE AND ENGINE COOLING. If you are servicing an 8-speed vehicle with a “Check Engine” light on and one or more of the DTC listed, follow the service procedure and replace the related solenoid and harness.
22-01-061H2022-08-05. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This bulletin provides the procedure to update the ECU and TCU software logic to improve the drivability when decelerating to a stop.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.