# Service campaign 24\-01\-066H

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: 11006231
- Published by NHTSA: 2024\-08\-12
- Manufacturer's number: 24\-01\-066H
- Manufacturer's date: 2024\-08\-09
- Campaign id or software version: SERVICE CAMPAIGN TCB
- NHTSA component: ENGINE

## NHTSA's summary

Certain 2024MY Santa Fe Hybrid \(MX5A HEV\) vehicles may produce a coolant leak from the coolant reservoir tank. This bulletin outlines the procedure to inspect and, if necessary, replace the coolant reservoir tank to correct the condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11006231-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11006231-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2024 HYUNDAI SANTA FE HYBRID

## Other bulletins for the same vehicles and component

- [26\-EM\-016H TSB](/bulletins/11038458.md), 2026-10-14, Service bulletin: ENGINE. Some vehicles equipped with internal combustion engines may exhibit higher\-than\-expected engine oil consumption. This bulletin outlines the combustion chamber cleaning procedure for vehicles diagnosed with this condition. All internal combustion engines consume some engine oil during normal operation, depending on driving conditions and mileage, and this procedure should only be performed when deemed necessary based on inspection and diagnosis of the vehicle as outlined in TSB 26\-EM\-015H, Engine Oil Consumption – Inspection \& Repair Guidelines, or the latest revision.
- [26\-EM\-015H TSB](/bulletins/11038456.md), 2026-10-13, Service bulletin: ENGINE. Certain vehicles equipped with internal combustion engines may exhibit higher\-than\-expected engine oil consumption. This bulletin provides the inspection and repair procedures for vehicles exhibiting this condition. All internal combustion engines consume engine oil as part of normal engine operation. Oil consumption rates may vary based on mileage, operating conditions, driving habits, and maintenance history. Hyundai recommends following the prescribed maintenance schedule and periodically checking the engine oil level using the dipstick to maintain proper engine oil level.
- [25\-01\-072H\-1 DCS](/bulletins/11024540.md), 2025-10-29, Service campaign: ENGINE. This is a follow\-up to a previous launch of Service Campaign TEJ. Updates include the following: \- A new GDS Event \#1328 for certain ECU part numbers ending in '820'/'830' \- Related ROM ID \& Manual Mode Password Information.
- [25\-01\-072H\-1 TSB](/bulletins/11024511.md), 2025-10-28, Service campaign: ENGINE. Certain Santa Fe \(MX5A\) vehicles equipped with 8\-speed dual clutch transmissions \(8DCT\) may set one of the high pressure electric oil pump \(HP EOP\) DTCs listed below. This bulletin provides the service procedure to update the Transmission Control Unit \(TCU\) with improved logic to address the DTCs above and enhance operation of the 8DCT.
- [9B2 OL](/bulletins/11012038.md), 2024-12-21, Service campaign: ENGINE. The subject vehicles may incorrectly illuminate the malfunction indicator lamp, caused by errors in the oil level calculation process.

JSON: [/v1/bulletins/11006231](/v1/bulletins/11006231)

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