# Service bulletin 23\-01\-014H

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 bulletin
- NHTSA id: 10232190
- Published by NHTSA: 2023\-03\-02
- Manufacturer's number: 23\-01\-014H
- Manufacturer's date: 2023\-02\-13
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Hyundai has launched an anti\-theft software upgrade and window decal campaign \(Campaign 993\) in response to an increase in thefts of certain Hyundai vehicles not equipped with engine immobilizers targeted through social media. Please note that all Hyundai vehicles meet or exceed Federal Motor Vehicle Safety Standards. In November 2021, engine immobilizers became standard on all Hyundai vehicles produced.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232190-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232190-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2017 to 2020 HYUNDAI ELANTRA
- 2015 to 2019 HYUNDAI SONATA
- 2020 to 2021 HYUNDAI VENUE

## Recalls for the same vehicles and component

- [2023104](/recalls/tc/2023104.md), 2023-03-01: Electrical
- [21V749000](/recalls/nhtsa/21V749000.md), 2021-09-24: ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:TURN SIGNAL
- [15V678000](/recalls/nhtsa/15V678000.md), 2015-10-20: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [2014252](/recalls/tc/2014252.md), 2014-06-27: Electrical
- [14V325000](/recalls/nhtsa/14V325000.md), 2014-06-12: ELECTRICAL SYSTEM:WIRING; STEERING

## Other bulletins for the same vehicles and component

- [9D3 OL](/bulletins/11037292.md), 2026-09-11, Service campaign: ENGINE; ELECTRICAL SYSTEM. Hyundai has become aware that your Hyundai Elantra equipped with a 2.0 ATK engine may have been incorrectly updated with Cylinder Noise Detection System \(CNDS\) software intended only for Korean\-built Elantra vehicles and may not meet specifications.
- [26\-01\-039H DN](/bulletins/11036204.md), 2026-08-15, Service campaign: ELECTRICAL SYSTEM; ENGINE. Certain Elantra \(ADA\) vehicles may have been incorrectly updated with Cylinder Noise Detection System \(CNDS\) software that can set DTC P132700; this software was intended only for Korean\-built Elantra \(AD\) vehicles. In addition, the California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.
- [26\-01\-039H TSB](/bulletins/11036202.md), 2026-08-15, Service campaign: ELECTRICAL SYSTEM; ENGINE. Certain Elantra \(ADA\) vehicles may have been incorrectly updated with Cylinder Noise Detection System \(CNDS\) software that can set DTC P132700; this software was intended only for Korean\-built Elantra \(AD\) vehicles. This bulletin provides instructions to perform a software update for the Engine Control Module \(ECM\) to revert to the original ROM ID, apply the emissions label under the hood, and provide the vehicle owner with Proof of Correction.
- [9C2 060518](/bulletins/11033705.md), 2026-06-06, Service campaign: ENGINE; ELECTRICAL SYSTEM. Following completion of Service Campaign 9C2 \(Theta II Emissions Improvement\), certain vehicles may exhibit a brief hesitation or rough shifting condition during cold start operation. If present, this condition is expected to occur only within approximately the first 1\-3 minutes after engine start, while the catalyst is reaching its normal operating temperature.
- [9C2 DCS 260518](/bulletins/11033701.md), 2026-06-06, Service campaign: ELECTRICAL SYSTEM; ENGINE. Following completion of Service Campaign 9C2 \(Theta II Emissions Improvement\), certain vehicles may exhibit a brief hesitation or rough shifting condition during cold start operation. If present, this condition is expected to occur only within approximately the first 1\-3 minutes after engine start, while the catalyst is reaching its normal operating temperature.
- [26\-01\-013H\-2 DN](/bulletins/11033700.md), 2026-06-06, Service campaign: ELECTRICAL SYSTEM; ENGINE. Certain Santa Fe \(TMA\), Santa Fe Sport \(AN\), Sonata \(LFA\), and Tucson \(TL\) vehicles equipped with Theta II engines may exhibit elevated engine\-out emissions. The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards.
- [26\-01\-013H\-2 TSB](/bulletins/11033699.md), 2026-06-06, Service campaign: ENGINE; ELECTRICAL SYSTEM. Certain Santa Fe \(TMA\), Santa Fe Sport \(AN\), Sonata \(LFA\), and Tucson \(TL\) vehicles equipped with Theta II engines may exhibit elevated engine\-out emissions. This bulletin provides instructions for updating the Engine Control Module \(ECM\) to address this condition.
- [26\-EE\-003H TSB](/bulletins/11031400.md), 2026-04-21, Service bulletin: ENGINE; ELECTRICAL SYSTEM. Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter magnetic switch \(solenoid\) assembly.
- [25\-01\-089H DCS](/bulletins/11027035.md), 2026-01-06, Other: ELECTRICAL SYSTEM. Upon customer's request ONLY, the Technical Service Bulletin \(TSB\) 25\-01\-089H provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti\-theft decals on the front windows. This repair procedure is being provided in addition to the previous Anti\-Theft software provided under Service Campaign 993 \(TSB 24\-01\-009H\-1\).
- [25\-01\-089H DN](/bulletins/11027034.md), 2026-01-06, Other: ELECTRICAL SYSTEM. In addition to the Anti\-Theft software provided under Service Campaign 993 \(TSB 24\-01\-009H\-1\), a zinc reinforced ignition cylinder protector hardware upgrade is being made available to customers upon request. This supplemental security measure is to be installed at the ignition switch location and provides additional protection against the social media theft method. Vehicles not equipped with an immobilizer during production at the factory are eligible. The repair procedure shall be performed and claimed upon customer request only. Any future repairs to these vehicles in which an installed ignition cylinder protector impacts required parts and/or labor, shall be covered by HMA. Please see TSB 25\-01\-089H for details.

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