Service bulletins for the 2021 Hyundai Veloster
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.
63 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Equipment and accessories are shown. Show all
| 24-01-009H | 2024-03-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. 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. |
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| 24-01-009H | 2024-03-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. 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-BE-007H | 2023-08-02. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM. This Service Information bulletin provides information on how to update the Apple Carplay software from Hyundai’s Navigation Updates page. The current version of Google Maps has 10 times the data transmission compared to the previous version. As a countermeasure, an update with a frame skip logic has been added to resolve the data congestion with Google Maps. |
| 23-01-014H-5 | 2023-08-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. 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). |
| 22-01-043H | 2022-06-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; ENGINE AND ENGINE COOLING. Hyundai is conducting a service campaign to enhance the knock sensor logic with the Cylinder Noise Diagnostic System (CNDS) software update. CNDS is to detect abnormal cylinder wall scuffing or noise of the engine block before potentially severe engine damage occurs. If abnormal noise is detected, the Malfunction Indicator Lamp (MIL) will blink continuously. In addition, DTC P1327 will be recorded in the ECM. |
| 22-EM-004H | 2022-02-08. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides additional service diagnostic information and repair procedures related to Electric Waste Gate Actuator (EWGA) equipped vehicles listed below. Refer to the applicable Engine Control / Fuel System sections in the Shop Manual, and then follow the procedures outlined in this bulletin whenever a vehicle with the following symptom(s) are being diagnosed: ➢ Check Engine Light illumination with EWGA related DTC. ➢ Intermittently high/low turbocharger boost pressures. ➢ Abnormal noise from the turbocharger. |
| 21-EM-004H | 2021-04-07. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps. |
| 21-BR-002H | 2021-04-07. Service bulletin. SERVICE BRAKES; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin provides best practice recommendations when performing brake service procedures. |
| 21-EM-003H | 2021-04-06. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below. |
| 20-01-039H | 2020-11-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information and procedures for collecting OBD “In Use Monitor Performance Ratio” (IUMPR) data on certain 2019-2021MY vehicles at California dealers. This reporting is mandated by CARB (California Air Resources Board). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.