# Service campaign 26\-01\-079H 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.

- Type: Service campaign
- NHTSA id: 11038416
- Published by NHTSA: 2026\-10\-08
- Manufacturer's number: 26\-01\-079H TSB
- Manufacturer's date: 2026\-10\-01
- Campaign id or software version: 9D8
- NHTSA component: POWER TRAIN; ELECTRICAL SYSTEM

## 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. This bulletin provides instructions to perform a Hybrid Power Control Unit \(HPCU\) software update to resolve this condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11038416-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11038416-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Transmission and driveline

## Trouble codes named

P0C38

## Vehicles listed

- 2027 HYUNDAI PALISADE HYBRID

## Other bulletins for the same vehicles and component

- [26\-01\-079H DN](/bulletins/11038417.md), 2026-10-08, Service campaign: ELECTRICAL SYSTEM; POWER TRAIN. 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 DCS](/bulletins/11038415.md), 2026-10-08, Service campaign: ELECTRICAL SYSTEM; POWER TRAIN. 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 TSB](/bulletins/11037229.md), 2026-09-09, Warranty extension: ELECTRICAL SYSTEM. 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 TSB](/bulletins/11036620.md), 2026-09-02, Service bulletin: ELECTRICAL SYSTEM. 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.

JSON: [/v1/bulletins/11038416](/v1/bulletins/11038416)

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