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Service bulletins for the 2018 Hyundai Elantra GT

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.

117 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
19-FL-003H2019-05-20. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides the procedure to write the Vehicle Identification Number (VIN) during the replacement of the Engine Control Module (ECM) or Powertrain Control Module (PCM). Once the VIN has been programmed to the ECM/PCM, it cannot be removed or overwritten.
19-BE-004H2019-04-22. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; VISIBILITY. This bulletin provides information on the serviceable parts for the outside mirror assembly. When diagnosing and repairing the outside mirror, do not replace the entire assembly. Refer to page 2 of this TSB for replacement of individual parts.
19-BE-003H2019-03-18. Service bulletin. ELECTRICAL SYSTEM. Some vehicles equipped with the wireless charging pad may experience a no charging condition. This bulletin provides information of how to diagnose the no charging condition.
19-AT-002H2019-03-18. Service bulletin. POWER TRAIN. Certain vehicles (listed below) equipped with 7-speed Dual Clutch Transmission (DCT) may exhibit an abnormal vibration at low speeds. This bulletin outlines the procedures for diagnosing and replacing the Double Clutch, including a Transmission Control Unit (TCU) software update.
5NP-H4S3S-012019-02-19. Service bulletin. STRUCTURE:BODY:TAILGATE. Hyundai Motor America is conducting a Service Campaign to replace the outside tailgate handle on certain 2018 Elantra GT vehicles. Service Campaign T3K provides a service procedure to replace the outside tailgate handle assembly.
5NP-S5D9G-012019-02-19. Service bulletin. STRUCTURE:BODY:TAILGATE. On certain 2018MY Elantra GT (PD) vehicles, the tailgate outside handle may exhibit cracking. Follow the procedure outlined in this bulletin to replace the tailgate outside handle.
5NP-J6B4J-122018-12-17. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. This bulletin describes the procedure to determine if the vehicle?s Radio Assembly/Navigation unit needs to be replaced as a result of the sound fader settings changing without any user input intermittently.
5NP-Y4N3B-082018-08-20. Service bulletin. EQUIPMENT. This bulletin describes the procedure to diagnose the vehicle?s D-Audio unit as a result of the inability to set the clock or view it on the top of the screen.
5NP-P4Y7D-082018-08-20. Service bulletin. ENGINE. If you are servicing an applicable vehicle with a ?Check Engine Light on? and one or more of the DTC listed below, follow the repair procedure and replace the input/output speed sensor and oil pressure harness.
5NP-M5G2M-082018-08-20. Service bulletin. ENGINE AND ENGINE COOLING. If you are servicing an applicable vehicle with a complaint of ?Check Engine Light on? and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid and oil pressure harness.
5NP-C5F9C-082018-08-20. Service bulletin. ENGINE AND ENGINE COOLING. If you are servicing an applicable vehicle with a Check Engine light on and one or more of the DTC listed below, follow the repair procedure and replace the oil pressure harness.
5NP-P5L7D-052018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. If you are servicing a vehicle with a harsh and/or delayed shift, use the GDS as shown in the Service Procedure to measure shift engagement time.
5NP-F6W6P-052018-05-21. Service bulletin. POWER TRAIN; POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS; EQUIPMENT. The shift lever on some 6-speed vehicles may intermittently not shift out of Park. This bulletin provides the diagnostic procedures to correct this condition.
5NP-A4C8N-032018-03-12. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. This TSB provides information on the headlight pattern changes on certain 2018 MY Sonata (LFa), Elantra (ADa)(AD), Elantra GT (PD), Santa Fe Sport (AN), and Santa Fe (NC).
5NP-T5B2D-022018-02-12. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. 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.
5NP-Z6F3A-112017-11-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. Before installing an automatic transmission, check the depth of the torque converter in the case to confirm the torque converter is fully installed in the transmission. If this is not done, the oil pump may be damaged.
5NP-V3F8T-092017-09-14. Service bulletin. EQUIPMENT:ELECTRICAL. If you are servicing a vehicle with the DTC or symptoms listed below, refer to the Service Procedure to diagnose the condition. ? Diagnostic trouble codes: ? P0705 - Range switch sensor circuit ? P0706 - Range switch range/performance ? P0707 - Range switch - open circuit ? P0708 - Range switch - short circuit or multiple inputs ? Symptoms: ? Malfunction Indicator Light (MIL) illuminated ? 4th gear fail-safe ? No gear indication in cluster ? Intermittent no engine crank/no start in ?P? or ?N? with or without MIL or DTC.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.