# Service bulletin 5NP\-T5B2D\-02

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: 10128603
- Published by NHTSA: 2018\-02\-12
- Manufacturer's number: 5NP\-T5B2D\-02
- Manufacturer's date: 2018\-01\-03
- NHTSA component: EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM

## NHTSA's summary

This bulletin describes the procedure to determine if the vehicle?s head unit needs to be replaced as a result of the system frequently losing a Bluetooth connection with Apple iPhone devices.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10128603-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10128603-0001.pdf)

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

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- 2017 to 2018 HYUNDAI ELANTRA
- 2018 HYUNDAI ELANTRA GT
- 2017 to 2018 HYUNDAI IONIQ HYBRID
- 2017 to 2018 HYUNDAI SANTA FE
- 2017 to 2018 HYUNDAI SANTA FE SPORT
- 2017 to 2018 HYUNDAI SONATA
- 2017 HYUNDAI SONATA HYBRID
- 2017 HYUNDAI SONATA PLUG\-IN HYBRID

## Recalls for the same vehicles and component

- [21V944000](/recalls/nhtsa/21V944000.md), 2021-12-07: ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:MODULE:ONBOARD \(OBCM\); ELECTRICAL SYSTEM:SOFTWARE
- [21V749000](/recalls/nhtsa/21V749000.md), 2021-09-24: ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING:TURN SIGNAL
- [2020091](/recalls/tc/2020091.md), 2020-02-28: Electrical
- [18V891000](/recalls/nhtsa/18V891000.md), 2018-12-14: VISIBILITY:SUN/MOON ROOF ASSEMBLY; ELECTRICAL SYSTEM
- [2018562](/recalls/tc/2018562.md), 2018-10-12: Electrical
- [2018203](/recalls/tc/2018203.md), 2018-04-25: Electrical
- [2017433](/recalls/tc/2017433.md), 2017-09-07: Electrical
- [16V842000](/recalls/nhtsa/16V842000.md), 2016-11-21: TRAILER HITCHES; ELECTRICAL SYSTEM:WIRING

## Other bulletins for the same vehicles and component

- [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.
- [Z01 Letter](/bulletins/11033679.md), 2026-06-06, Warranty extension: AIR BAGS; ELECTRICAL SYSTEM. Certain 2012 – 2017 model year Accent, 2012 – 2017 model year Azera, 2013 – 2018 model year Santa Fe Sport, 2013 – 2019 model year Santa Fe, and 2012 – 2017 model year Veloster vehicles may exhibit an intermittent airbag warning light and diagnostic trouble codes \(DTCs\) may be set. At Hyundai, we are committed to providing vehicles of outstanding quality and value. In an effort to meet this commitment, the warranty coverage for the Occupant Classification System \(OCS\)/Occupant Detection System \(ODS\) under these conditions has been extended to 18 years/unlimited mileage from the date of original retail delivery or date of first use \(whichever occurs first\) and is valid for original and subsequent owners.
- [26\-BE\-011H DN](/bulletins/11032526.md), 2026-05-08, Warranty extension: AIR BAGS; ELECTRICAL SYSTEM. Some vehicles listed below may exhibit an intermittent airbag warning light and DTC\(s\) B1763 \(OCS ECU Defect\), and/or B1764 \(OCS Mat Defect\) may be stored. Hyundai is extending the warranty coverage of the sensor for the Occupant Classification System \(OCS\) / Occupant Detection System \(ODS\) to 18 years/unlimited mileage from the date of original retail delivery or date of first use \(whichever occurs first\) and is valid for original and subsequent owners. Refer to the warranty and parts information outlined in this bulletin.
- [26\-BE\-011H TSB](/bulletins/11032525.md), 2026-05-08, Warranty extension: ELECTRICAL SYSTEM; AIR BAGS. Some vehicles listed below may exhibit an intermittent airbag warning light and DTC\(s\) B1763 \(OCS ECU Defect\), and/or B1764 \(OCS Mat Defect\) may be stored. Hyundai is extending the warranty coverage of the sensor for the Occupant Classification System \(OCS\) / Occupant Detection System \(ODS\) to 18 years/unlimited mileage from the date of original retail delivery or date of first use \(whichever occurs first\) and is valid for original and subsequent owners. Refer to the warranty and parts information outlilned in this bulletin. This bulletin contains the procedure to inspect for the airbag warning light and DTC\(s\), replace the OCS \(ODS\) unit or wire harness, reset the OCS \(ODS\), and initialize the power seat module \(if applicable\). This TSB also contains the procedure to replace the OCS \(ODS\) mat if DTCs exist after replacement of the OCS \(ODS\) wire harness.
- [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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