2018 Hyundai Elantra Technical Service Bulletins

123 technical service bulletins (TSBs) are on record for the 2018 Hyundai Elantra. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10167763Oct 18, 2019Equipment. This bulletin contains information regarding the clock display on certain Navigation (AVN 4.0) head units. This procedure is specifically for the clock date and time not displaying which started appearing around August 17, 2019. Other similar concerns which were opened before this date are a different root cause and will not be resolved by this information. An example of the clock concern is shown in the screenshot…
• 10167257Oct 18, 2019Equipment. This bulletin contains information regarding the clock display on certain Navigation (AVN 4.0) head units. This procedure is specifically for the clock date and time not displaying which started appearing around August 17, 2019. Other similar concerns which were opened before this date are a different root cause and will not be resolved by this information. An example of the clock concern is shown in the screenshot…
• 10167253Oct 14, 2019Equipment. This bulletin provides instruction detailing the proper methodology for scanning and uploading captured GDS data files to the Techline Repository. Compliance with this bulletin ensures that the GDS data files are correctly transferred and matched with a Techline Case number.
• 10165456Aug 12, 2019Equipment, Electrical system. 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 related solenoid and oil pressure harness.
• 10163279Jun 4, 2019Transmission and drivetrain. This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear).
• 10161750May 8, 2019Transmission and drivetrain. This bulletin provides a procedure to transfer pressure data to the ECU/TCU using GDS Mobile. This procedure is necessary to reduce the TCU learning time and improve the shift quality.
• 10160106Apr 22, 2019Steering. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
• 10160098Apr 15, 2019Electrical system, Transmission and drivetrain. 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.
• 10158803Mar 13, 2019Visibility (wipers, defrost, mirrors). 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.
• 10152890Jan 23, 2019Transmission and drivetrain. This bulletin provides the procedure to update the TCU (Transmission Control Unit) in certain vehicles (listed Below) when replacing the Dual Clutch Transmission (DCT) with updated clutch material. This bulletin also provides a method of identifying transmissions with the updated F850 clutch material.
• 10152865Dec 17, 2018Engine cooling. This bulletin provides information on certain 2017-2018 model year Elantra (AD/ADA) 2.0L vehicles to update the ECM (Engine Control Module), update the HVAC ECU, and to update the engine coolant temperature gauge of the Instrument Cluster for improving heater performance.
• 10143795Jul 24, 2018Equipment. 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.
• 10143794Jul 18, 2018Engine. 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.
• 10143791Jul 18, 2018Engine 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.
• 10143793Jul 10, 2018Engine 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.
• 10142697Jun 12, 2018Engine cooling. On certain 2018MY Elantra 2.0L (ADa) vehicles, the V-ribbed belt may become frayed. Follow the procedure outlined in this bulletin to inspect and if necessary replace the V-ribbed belt.
• 10142692Jun 12, 2018Engine cooling. Hyundai Motor America is conducting a Service Campaign to inspect and (if necessary) replace the V-ribbed belt on certain 2018 2.0L Elantra vehicles. Service Campaign T3A provides a service procedure to inspect the V-ribbed belt.
• 10140445May 22, 2018Equipment. This bulletin describes the procedure to determine if the vehicle?s display audio radio unit needs to be replaced as a result of the clock time inaccuracy (i.e. Resets overnight, loses/gains time).
• 10129908Feb 7, 2018Exterior lighting. 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).
• 10128603Jan 3, 2018Equipment, 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.
• 10126998Dec 20, 2017Equipment. This bulletin describes the procedure to determine if the vehicle's navigation unit needs to be replaced as a result of the inability to set the clock or view it on the top of the screen.
• 10127001Dec 19, 2017Equipment. This bulletin describes the procedure to inspect and replace the floor console armrest if the cover material is found to be peeling.
• 10117373Aug 3, 2017Equipment. 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…

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