Hyundai Elantra Service Bulletins (2021)
98 manufacturer communications on file.
- March 31, 2022•Document ID: 10210210Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 22-01-032H
- Date Added:
- April 8, 2022
- Manufacturer:
- HYUNDAI
SummaryOn certain 2021 Elantra and 2022 Kona vehicles equipped with 2.0L engine, a coolant leak at the Water Temperature Sensor (WTS) may be observed due to machining burrs at the mounting port of the cylinder head, resulting in improper coolant sealing.
Associated Products (2)Associated Documents - January 31, 2022•Document ID: 10207810Service Bulletin/Repair InstructionsSTRUCTURE; EQUIPMENT
- Mfr Comm. #:
- 22-BD-001H
- Date Added:
- February 8, 2022
- Manufacturer:
- HYUNDAI
SummaryCertain 2021MY Elantra vehicles may exhibit paint delamination on the left, right and lower moldings of the front bumper. Follow the procedure outlined in this bulletin to remove and replace the dark chrome front bumper moldings.
Associated Products (1)Associated Documents - January 12, 2022•Document ID: 10207807Service Bulletin/Repair InstructionsPOWER TRAIN; EQUIPMENT
- Mfr Comm. #:
- 22-01-007H
- Date Added:
- February 8, 2022
- Manufacturer:
- HYUNDAI
SummaryCertain vehicles equipped with 7-speed Double Clutch Transmissions (DCT) may exhibit abnormal shifting caused by an out of specification input shaft snap ring. This bulletin outlines the procedures for inspecting for 1-2 or 2-1 shift shock and replacing the input shaft snap ring.
Associated Products (3)Associated Documents - July 30, 2021•Document ID: 10200074Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 21-01-056H
- Date Added:
- August 7, 2021
- Manufacturer:
- HYUNDAI
SummarySome 2021 Elantra (CN7) vehicles may exhibit a condition with multiple warning lights displayed on the instrument cluster and various symptoms; multiple DTCs (Diagnostic Trouble Code), reduction in power steering assist, and not able to shift out of Park. Possible DTCs set are: ⢠C181287 â CAN Time-out Gateway ⢠C181208 â CAN Time-out Gateway ⢠C180581 â LKAS CAN Signal Error ⢠C181887 â CAN Time-out BCA ⢠B109052 â TCU Missing Error
Associated Products (1)Associated Documents - June 21, 2021•Document ID: 10199097Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 21-01-048H
- Date Added:
- July 9, 2021
- Manufacturer:
- HYUNDAI
SummaryOn certain 2021-2022 Elantra vehicles, a coolant leak at the Water Temperature Sensor (WTS) may be observed due to machining burrs at the mounting port of the cylinder head, resulting in improper coolant sealing.
Associated Products (2)Associated Documents - May 27, 2021•Document ID: 10196551Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 21-01-043H
- Date Added:
- June 10, 2021
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides information related to the Engine Control Module (ECM) software update for 2021MY Elantra (CN7/CN7A) vehicles equipped with the 2.0L engine to update the ECM logic for the following conditions and DTCs: ï· Incorrect learning of the fuel adaptive values can occur if the engine is started at 14â°F (-10â°C) or colder ambient temperatures. If incorrect values are learned, the engine may stall when coming to a stop or at idle. DTC P016C: Closed Loop Air/Fuel Ratio Control at Limit-System Too Lean may be detected. The ECM software revises the logic for fuel adaptation learning and improves engine performance at idle. ï· The ECM software also revises the blower motor control duty cycle logic for DTC P1CD0: Air Blower Motor Inverter Performance.
Associated Products (1)Associated Documents - May 26, 2021•Document ID: 10196583Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 21-GI-005H
- Date Added:
- June 10, 2021
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides information regarding the use of window mounted lockboxes without RFID shielding, which may cause battery drain on dealer stock vehicles. The lockbox is still within the range of the receiver when it is mounted to the rear window. This will cause the key fob to continuously transmit a RF (radio frequency) to the receiver. It is recommended to use a lockbox with RFID shielding to block the RF signal and prevent battery drain.
Associated Products (1)Associated Documents - April 21, 2021•Document ID: 10191795Service Bulletin/Repair InstructionsEXTERIOR LIGHTING
- Mfr Comm. #:
- 21-BE-007H
- Date Added:
- May 5, 2021
- Manufacturer:
- HYUNDAI
SummarySome 2021 Elantra (CN7a) rear combination lamp turn signal light bulbs may prematurely become inoperative. This bulletin describes the procedure to replace the rear combination lamp turn signal light bulbs for both the right and left side.
Associated Products (1)Associated Documents - March 30, 2021•Document ID: 10190044Service Bulletin/Repair InstructionsEQUIPMENT; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 21-EM-004H
- Date Added:
- April 7, 2021
- Manufacturer:
- GENESIS
SummaryThis 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.
Associated Products (245)2021 Genesis G702021 Genesis G802021 Genesis GV802021 Hyundai Accent2021 Hyundai Elantra2021 Hyundai Kona2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2021 Hyundai Tucson2021 Hyundai Veloster2021 Hyundai Venue2020 Genesis G702020 Genesis G802020 Genesis G902020 Hyundai Accent2020 Hyundai Elantra2020 Hyundai Elantra GT2020 Hyundai Ioniq2020 Hyundai Kona+ 225 moreAssociated Documents - March 23, 2021•Document ID: 10190038Service Bulletin/Repair InstructionsSERVICE BRAKES; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- 21-BR-002H
- Date Added:
- April 7, 2021
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides best practice recommendations when performing brake service procedures.
Associated Products (232)2021 Hyundai Accent2021 Hyundai Elantra2021 Hyundai Kona2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2021 Hyundai Tucson2021 Hyundai Veloster2021 Hyundai Venue2020 Hyundai Accent2020 Hyundai Elantra2020 Hyundai Elantra GT2020 Hyundai Ioniq2020 Hyundai Kona2020 Hyundai Nexo2020 Hyundai Palisade2020 Hyundai Santa Fe2020 Hyundai Sonata2020 Hyundai Tucson2020 Hyundai Veloster+ 212 moreAssociated Documents - March 10, 2021•Document ID: 10189989Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; EQUIPMENT
- Mfr Comm. #:
- 21-EM-003H
- Date Added:
- April 6, 2021
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
Associated Products (260)2021 Hyundai Accent2021 Hyundai Elantra2021 Hyundai Kona2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2021 Hyundai Tucson2021 Hyundai Veloster2021 Hyundai Venue2020 Genesis G702020 Hyundai Accent2020 Hyundai Elantra2020 Hyundai Elantra GT2020 Hyundai Ioniq2020 Hyundai Kona2020 Hyundai Nexo2020 Hyundai Palisade2020 Hyundai Santa Fe2020 Hyundai Sonata2020 Hyundai Tucson+ 240 moreAssociated Documents - March 5, 2021•Document ID: 10189981Service Bulletin/Repair InstructionsPOWER TRAIN; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 21-01-017H
- Date Added:
- April 6, 2021
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides the service procedure to update the Transmission Control Unit (TCU) software for certain Elantra (CN7/CN7a) vehicles equipped with the 2.0L MPI and Intelligent Variable Transmission (IVT). This update to the damper clutch logic is to address a potential engine stall condition immediately following Forward Collision Avoidance (FCA) activation under specific operating conditions at low engine RPM and low vehicle speeds. In the event a low-speed stall does occur, the engine can immediately be restarted.
Associated Products (1)Associated Documents - February 4, 2021•Document ID: 10188242Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 21-BE-002H
- Date Added:
- March 5, 2021
- Manufacturer:
- HYUNDAI
SummaryThis bulletin describes the procedure to update the radio software to help reduce the disconnection occurrences.
Associated Products (4)Associated Documents - January 26, 2021•Document ID: 10186823Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 21-01-007H
- Date Added:
- February 6, 2021
- Manufacturer:
- HYUNDAI
SummaryWhen using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message âPhone Not Responding. Please reconnect it and try againâ will appear on the radio screen. This bulletin describes the procedure to update the radio software to help reduce the disconnection occurrences.
Associated Products (5)Associated Documents - December 21, 2020•Document ID: 10185443Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 20-BE-014H
- Date Added:
- January 9, 2021
- Manufacturer:
- HYUNDAI
SummaryWhen using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message âPhone Not Responding. Please reconnect it and try againâ will appear on the radio screen.
Associated Products (22)2021 Hyundai Accent2021 Hyundai Elantra2021 Hyundai Kona2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2021 Hyundai Tucson2021 Hyundai Veloster2021 Hyundai Venue2020 Genesis G702020 Hyundai Accent2020 Hyundai Elantra2020 Hyundai Elantra GT2020 Hyundai Ioniq2020 Hyundai Kona2020 Hyundai Nexo2020 Hyundai Palisade2020 Hyundai Santa Fe2020 Hyundai Sonata2020 Hyundai Tucson+ 2 moreAssociated Documents - December 15, 2020•Document ID: 10185424Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- 20-GI-006H
- Date Added:
- January 9, 2021
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides information on the Launch Quality Monitoring Process (LQMP) for the 2021MY Hyundai Elantra. After a new vehicle launch, Hyundai uses the LQMP to monitor all customer and dealer activities at a minimum of 100 days. The Elantra LQMP helps improve model vehicle quality, and allows Hyundai to proactively respond to the Voice of the Customer (VOC).
Associated Products (1)Associated Documents - November 30, 2020•Document ID: 10183963Service Bulletin/Repair InstructionsSERVICE BRAKES
- Mfr Comm. #:
- 20-BR-002H
- Date Added:
- December 8, 2020
- Manufacturer:
- HYUNDAI
SummaryThis bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area.
Associated Products (258)2021 Hyundai Accent2021 Hyundai Elantra2021 Hyundai Kona2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2021 Hyundai Tucson2021 Hyundai Veloster2021 Hyundai Venue2020 Genesis G702020 Hyundai Accent2020 Hyundai Elantra2020 Hyundai Elantra GT2020 Hyundai Ioniq2020 Hyundai Kona2020 Hyundai Nexo2020 Hyundai Palisade2020 Hyundai Santa Fe2020 Hyundai Sonata2020 Hyundai Tucson+ 238 moreAssociated Documents - November 19, 2020•Document ID: 10183960Service Bulletin/Repair InstructionsWHEELS; TIRES
- Mfr Comm. #:
- 20-SS-004H
- Date Added:
- December 8, 2020
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the âTire Balance Data Sheetâ must be fully completed including imbalance and Road Force Variation (RFV) data. The Data Sheet can be found at the end of this bulletin.
Associated Products (266)2021 Hyundai Accent2021 Hyundai Elantra2021 Hyundai Kona2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2021 Hyundai Tucson2021 Hyundai Veloster2021 Hyundai Venue2020 Genesis G702020 Genesis G802020 Genesis G902020 Genesis GV802020 Hyundai Accent2020 Hyundai Elantra2020 Hyundai Elantra GT2020 Hyundai Ioniq2020 Hyundai Kona2020 Hyundai Nexo2020 Hyundai Palisade+ 246 moreAssociated Documents