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Service campaign 26-01-079H DN

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)
TypeService campaign
NHTSA id11038417
Published by NHTSA2026-10-08
Manufacturer's number26-01-079H DN
Manufacturer's date2026-10-01
Campaign id or software version9D8
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

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.

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, Transmission and driveline

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 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.
26-01-071H TSB2026-09-09. 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-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.