# Warranty extension 26\-01\-069H 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: Warranty extension
- NHTSA id: 11036635
- Published by NHTSA: 2026\-09\-02
- Manufacturer's number: 26\-01\-069H TSB
- Manufacturer's date: 2026\-08\-27
- Campaign id or software version: 999A
- NHTSA component: POWER TRAIN; ELECTRICAL SYSTEM

## NHTSA's summary

Certain Santa Fe Hybrid \(MX5A HEV\) vehicles may experience a condition where a DTC triggered in the Hybrid Power Control Unit \(HPCU\) cannot be cleared, even after the cause has been corrected. This bulletin provides instructions to perform an HPCU software update to correct this condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036635-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036635-9999.pdf)

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

## Components

Electrical system, Transmission and driveline

## Vehicles listed

- 2027 HYUNDAI SANTA FE HYBRID

## Other bulletins for the same vehicles and component

- [26\-01\-069H DCS](/bulletins/11036634.md), 2026-09-02, Warranty extension: POWER TRAIN; ELECTRICAL SYSTEM. Certain Santa Fe Hybrid \(MX5A HEV\) vehicles may experience a condition where a DTC triggered in the Hybrid Power Control Unit \(HPCU\) cannot be cleared, even after the cause has been corrected.

JSON: [/v1/bulletins/11036635](/v1/bulletins/11036635)

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