Service bulletin 26-BE-024H TSB

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	11036620
Published by NHTSA	2026-09-02
Manufacturer's number	26-BE-024H TSB
Manufacturer's date	2026-08-20
NHTSA component	ELECTRICAL SYSTEM

NHTSA's summary

Some Palisade (LX3) and Palisade Hybrid (LX3 HEV) vehicles may exhibit a 12-volt battery drain due to the passive entry feature of the Digital Key 2 premium causing repeated wakeup of the vehicle. This bulletin provides instructions to perform software updates for the Ultra-Wide Band (UWB) and Body Domain Control (BDC) modules.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
HYUNDAI PALISADE	2026, 2027
HYUNDAI PALISADE HYBRID	2026, 2027 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
26V047000	2026-01-26. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
26-01-079H DN	2026-10-08. Service campaign. Certain Palisade Hybrid (LX3 HEV) vehicles may display a Hybrid system warning light on the instrument cluster with Diagnostic Trouble Code (DTC) P0C381C when the vehicle is parked for long durations.
26-01-079H TSB	2026-10-08. Service campaign. Certain Palisade Hybrid (LX3 HEV) vehicles may display a Hybrid system warning light on the instrument cluster with Diagnostic Trouble Code (DTC) P0C381C when the vehicle is parked for long durations. This bulletin provides instructions to perform a Hybrid Power Control Unit (HPCU) software update to resolve this condition.
26-01-079H DCS	2026-10-08. Service campaign. Certain Palisade Hybrid (LX3 HEV) vehicles may display a Hybrid system warning light on the instrument cluster with Diagnostic Trouble Code (DTC) P0C381C when the vehicle is parked for long durations. Technical Service Bulletin (TSB) 26-01-079H provides instructions to perform a Hybrid Power Control Unit (HPCU) software update to resolve this condition.
9D4 RE-EML	2026-09-11. Service campaign. The vehicle may experience Over-The-Air (OTA) update failures due to outdated Central Communication Unit (CCU) software.
26-01-071H TSB	2026-09-09. Warranty extension. Some Palisade Hybrid (LX3 HEV) vehicles may illuminate the hybrid system warning light with Diagnostic Trouble Codes (DTC) P0C381C when the vehicle is parked for extended duration. This bulletin provides instructions to update the Hybrid Power Control Unit (HPCU) software to improve the detection logic for DTC P0C381C.
26-01-068H DN	2026-08-15. Service campaign. Certain Palisade (LX3) vehicles may exhibit an engine misfire condition which may result in one or more of the DTCs listed below. This update also includes improved evaporative emissions diagnostic logic.
26-01-068H TSB	2026-08-15. Service campaign. Certain Palisade (LX3) vehicles may exhibit an engine misfire condition which may result in one or more of the DTCs listed below. This update also includes improved evaporative emissions diagnostic logic. This bulletin provides instructions to update the Engine Control Module (ECM) software to correct this condition.
26-01-055H DCS	2026-07-08. Warranty extension. 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. Technical Service Bulletin (TSB) 26-01-055H provides instructions to perform a Vehicle Platform Controller (VPC) software update to prevent these conditions.
26-01-055H TSB	2026-07-08. Warranty extension. 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. This bulletin provides instructions to perform a Vehicle Platform Controller (VPC) software update to prevent these conditions.
9D4 OL	2026-07-08. Service campaign. Hyundai has become aware that your Hyundai Palisade may experience Over-the-Air (OTA) update failures due to outdated Central Communication Unit (CCU) software.