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Warranty extension 26-01-071H 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)
TypeWarranty extension
NHTSA id11037229
Published by NHTSA2026-09-09
Manufacturer's number26-01-071H TSB
Manufacturer's date2026-08-29
Campaign id or software versionLA39
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

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.

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

Trouble codes named

P0C38

Vehicles listed
HYUNDAI PALISADE HYBRID2027 (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.

Other bulletins for the same vehicles and component
26-01-079H DN2026-10-08. 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 TSB2026-10-08. 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 DCS2026-10-08. 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.
26-BE-024H TSB2026-09-02. Service bulletin. 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.