Service bulletin 22-01-021H

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10208861
Published by NHTSA	2022-03-08
Manufacturer's number	22-01-021H
Manufacturer's date	2022-02-18
NHTSA component	EQUIPMENT; LANE DEPARTURE

NHTSA's summary

This bulletin provides information related to Lane Keep Assist (LKA) software update, logic revision for Tucson (NX4, NX4A, NX4 HEV, NX4 PHEV) vehicles. Update will reduce sensitivity of LKA warning and misrecognition of missing lanes when entering the interstate.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Equipment and accessories

Vehicles listed
HYUNDAI TUCSON	2022
HYUNDAI TUCSON HYBRID	2022 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2025702	2025-12-18. Accessories

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
26-AD-001H TSB	2026-03-07. Service bulletin. Some 2019MY and newer vehicles equipped with a front view camera may illuminate certain warning lights and trigger DTC C272246 fault code for the front camera. In the following cases, the front camera auto-calibration range may be exceeded while driving: • If the front camera is not properly installed and is completely or partially detached. • In case of excessive changes affecting the vehicle's balance (e.g., loading excessively heavy cargo in a specific location of the vehicle, or significant under-inflation of the tires). • Specific road conditions affecting the vehicle's balance (e.g., excessive road crown) This TSB provides instructions on how to service the vehicle when the front camera related warning light(s) are triggered due to system out of calibration (DTC_C272246).
24-01-009H	2024-03-05. Service bulletin. This bulletin provides the service procedure to: 1) Upgrade the IBU/BCM (Integrated Body Control Unit/Body Control Module) to revise the OEM Hyundai burglar alarm system operation and ignition start logic and 2) Install two anti-theft decals for the front windows. Additional decals may also be installed in the rear windows at customer’s discretion.
24-01-009H	2024-03-05. Service bulletin. Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-theft ignition cylinder protector campaign (Campaign 9A5) in response to an increase in thefts of certain 2011-2022MY Hyundai vehicles not equipped with engine immobilizers targeted through social media. For certain vehicles that cannot be upgraded with the software (Campaign 993), Hyundai is offering customers an anti-theft ignition cylinder protector to be installed on their vehicle. This Dealer Best Practices Guide provides information to assist dealership personnel with customer questions relating to the immobilizer software upgrade, window decals and steering wheel lock anti-theft solutions available from HMA through Hyundai dealers.
23-01-014H-5	2023-08-02. Service bulletin. Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response to an increase in thefts of certain 2011-2022MY Hyundai vehicles not equipped with engine immobilizers targeted through social media. For certain vehicles that cannot be updated with the software (Campaign 993), Hyundai is offering customers steering wheel locks at the dealer (Campaign P32).
23-01-048H	2023-06-30. Service bulletin. This bulletin provides information related to the replacement of the Owner’s Manual with a new version which contains correct information regarding the coolant used in the cooling system.
22-BE-008H	2022-11-01. Service bulletin. This bulletin outlines the repair procedure for vehicles that exhibit symptoms of no audio from all speakers.
Certain vehicles	2022-04-08. Service bulletin. If you are servicing an applicable vehicle with a “Check Engine” light on and one or more of the DTC listed below, follow the Service Procedure and replace the harness with an integrated oil temperature sensor.
22-BD-002H	2022-04-08. Service bulletin. Certain 2022MY Tucson (NX4a) vehicles may exhibit excessive moisture in the rear center combination lamp. This bulletin describes the procedure to inspect the rear center combination lamp and repair or replace it if necessary.
22-01-014H	2022-03-08. Service bulletin. This bulletin describes the procedure to update wireless CarPlay to alleviate frequent disconnection of wireless CarPlay caused by other wireless noise from unknown sources which could make wireless communication unstable between D-Audio and mobile phone.
22-01-006H-2	2022-03-08. Service bulletin. This bulletin provides the procedure to update the ECU and TCU software to improve drivability and shift quality when accelerating.