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.

• 10230904Jan 30, 2023Visibility (wipers, defrost, mirrors). This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or…
• 10228639Dec 22, 2022Body and structure. Certain 2017-2018MY Elantra (ADa), Sonata (LFa), and Santa Fe Sport (AN) vehicles manufactured by Hyundai Motor Manufacturing Alabama (“HMMA”) may exhibit peeling or bubbling of the white paint in various areas of the vehicle, most commonly on or around the hood, fender, and roof.
• 10228636Dec 22, 2022Body and structure. Certain 2017-2018MY Elantra (ADa), Sonata (LFa), and Santa Fe Sport (AN) vehicles manufactured by Hyundai Motor Manufacturing Alabama (“HMMA”) may exhibit peeling or bubbling of the white paint in various areas of the vehicle, most commonly on or around the hood, fender, and roof.
• 10217251Jul 28, 2022Engine cooling. Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement.
• 10217258Jul 14, 2022Tires. Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards when vehicle weight has been increased before retail sale. This limit is the lesser of 1.5% of GVWR or 100 pounds. If the total added weight exceeds the lesser of the limit, a label must be added to the driver-side B-pillar within 25mm (1…
• 10215599Jun 3, 2022Steering. Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft bearing.
• 10211680Apr 8, 2022Steering. Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft bearing.
• 10211678Apr 8, 2022Steering. Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft bearing.
• 10206367Dec 23, 2021Electrical system. When asked to provide the Modem Information, the Universal Subscriber Identity Module (USIM) may not be available. This TSB# 21-01-080H describes the 3-part software to correct this condition and activate Blue Link Services.
• 10206363Dec 23, 2021Electrical system. When asked to provide the Modem Information, the Universal Subscriber Identity Module (USIM) information is not available. This bulletin describes the 3-part Software to correct this condition and activate Blue Link Services.
• 10204251Nov 16, 2021Engine cooling. This update includes information related to Electronic Control Module (ECM) software to revise control logic for completion of OBD-II Fuel System Readiness Monitor diagnosis.
• 10204246Nov 16, 2021Engine cooling. This bulletin provides information related to an Electronic Control Module (ECM) software update to revise control logic for completion of OBD-II Fuel System Readiness Monitor diagnosis.
• 10203272Oct 1, 2021Steering. Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft bearing
• 10203271Oct 1, 2021Steering. Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft bearing.
• 10201468Aug 19, 2021Transmission and drivetrain. Certain vehicles (listed below) equipped with 7-speed Dual Clutch Transmission (DCT) may exhibit 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.
• 10190044Mar 30, 2021Equipment, 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.
• 10190038Mar 23, 2021Brakes, Equipment. This bulletin provides best practice recommendations when performing brake service procedures.
• 10189805Mar 16, 2021Forward collision avoidance. Certain 2019-2020MY Santa Fe and 2018-2020MY Elantra equipped with the front multifunction camera may exhibit one or more of the following warnings on the instrument cluster; Lane Keep Assist System (LKAS), Front Collision Avoidance Assist (FCA), High Beam Assist (HBA), Smart Cruise Control (SCC), and Autonomous Emergency Braking (AEB). This bulletin describes the procedure to replace the front camera/…
• 10189989Mar 10, 2021Equipment, Engine cooling. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
• 10183963Nov 30, 2020Brakes. This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area.
• 10183960Nov 19, 2020Tires, Wheels. This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the “Tire Balance Data Sheet” must be fully completed including imbalance and Road Force Variation (RFV) data. The Data Sheet can be found at the end of this bulletin.
• 10180998Sep 24, 2020Forward collision avoidance, Lane departure. Certain 2019-2020MY Santa Fe and 2018-2020MY Elantra equipped with the front multifunction camera may exhibit one or more of the following warnings on the instrument cluster; Lane Keep Assist System (LKAS), Front Collision Avoidance Assist (FCA), High Beam Assist (HBA), Smart Cruise Control (SCC), and Autonomous Emergency Braking (AEB). This bulletin describes the procedure to replace the front camera/…
• 10180985Sep 9, 2020Equipment, Steering. Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft assembly.
• 10180982Sep 9, 2020Steering, Equipment. Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft assembly.
• 10179246Aug 10, 2020Electrical system, Steering. Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft assembly.
• 10179245Aug 10, 2020Steering. Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft assembly.
• 10179244Aug 10, 2020Steering, Electrical system. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
• 10178175Jul 14, 2020Exterior lighting, Equipment. This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. The TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes, or…
• 10176195May 21, 2020Transmission and drivetrain. If you are servicing an applicable vehicle with the following symptoms and DTC, follow the Service Procedure on Page 3.  Check Engine light on  DTC P0880/P088000 - TCM Power signal error open/short  Transmission stuck in 4th gear fail-safe  Harsh shift into Drive and Reverse
• 10176189May 12, 2020Steering. A bearing noise may develop within the Motor Driven Power Steering (MDPS) column of the housing worm gear assembly. If bearing noise is heard, follow the procedure in this bulletin and if necessary, replace the steering column and housing.
• 10176182May 6, 2020Tires, Wheels. This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and performance.
• 10176178May 1, 2020Equipment. This bulletin describes the general guidelines to help disinfect and protect vehicle exterior/interior surfaces using recommended safe chemical products.
• 10174808Apr 23, 2020Electrical system, Equipment. This bulletin provides information on identifying dealer stock vehicles with either: • A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. • A 30 Day alert - vehicle has not started and reported an SOC in 30 days.
• 10174807Apr 17, 2020Equipment, Transmission and drivetrain. The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:
• 10174800Apr 9, 2020Equipment, Transmission and drivetrain. 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.
• 10174793Apr 7, 2020Exterior lighting, Brakes, Vehicle speed control, Forward collision avoidance…. Certain 2019-2020MY Santa Fe and 2018-2020MY Elantra equipped with front camera/multi-function camera may exhibit a series of Lane Keep Assist System (LKAS), Front Collision Avoidance Assist (FCA), High Beam Assist (HBA), Smart Cruise Control (SCC), and Autonomous Emergency Braking (AEB) warnings and function conditions on the instrument cluster. This bulletin describes the procedure to replace the front camera/…
• 10173549Mar 25, 2020Brakes. 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.
• 10173546Mar 23, 2020Equipment. This bulletin describes the general guidelines to disinfect and protect vehicle interior surfaces using certain safe chemical products.
• 10173545Mar 18, 2020Electrical system. This bulletin describes the mandatory procedure to submit battery test data electronically for battery warranty claims by running the GDS Battery Claim App. The App must be run right after an incident battery is removed from the vehicle or after a battery charge is completed which qualifies for a warranty. It must be run at any time between RO open and close dates.
• 10172225Feb 20, 2020Equipment, Electrical system, Transmission and drivetrain. 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.
• 10172219Feb 13, 2020Engine cooling, Equipment, Electrical system. Hyundai is conducting a Service Campaign related to an Electronic Control Module (ECM) software update to include cylinder imbalance learning logic optimization for Malfunction Indicator Light illumination.
• 10172215Feb 13, 2020Engine cooling, Electrical system. This bulletin provides information related to the Engine Control Module (ECM) software update for 2018 - 2019MY Elantra (AD/ADA) vehicles equipped with 2.0L engine. This software update includes cylinder imbalance learning logic optimization for Malfunction Indicator Light illumination with DTC P0300/P0301/P0302/P0303/P0304 (Cylinder “X” – misfire detected).
• 10172142Feb 5, 2020Suspension. This bulletin describes the requirements for all wheel alignment and/or vehicle tracking claims and best practices when diagnosing and conducting alignment-related repairs for all models and model years.
• 10172140Feb 4, 2020Engine cooling. Some 2018-2019MY Elantra (AD) and Elantra GT (PD) 2.0L vehicles may have a weakened weld near where the center muffler is attached to the exhaust pipe. This condition may cause the center exhaust pipe of the muffler to exhibit an exhaust leak and/or exhaust noise. Follow the procedure outlined in this bulletin to replace the center muffler assembly to correct this condition.
• 10170883Jan 16, 2020Electrical system. This bulletin provides guidelines to inspect the USB, head unit, and multi-box for common connection conditions. 2. This bulletin presents guidelines to inspect for common Android Auto and Apple CarPlay connection conditions. 3. This bulletin provides physical differences between the USB 2.0 port and USB 3.0 port.
• 10170896Jan 3, 2020Steering. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
• 10170899Jan 2, 2020Transmission 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).
• 10170511Dec 17, 2019Equipment, Transmission and drivetrain. If you are servicing a vehicle with a transmission slipping concern, follow the Service Procedure shown below and perform a stall test. This TSB provides a procedure to test each clutch in the transmission. If the vehicle fails the stall test, replace the transmission. ? PASS: Stall speed is between 1700~2900 rpm (See shop manual for stall speed). ? FAIL: Engine revs to redline limit (6,000~6,500 rpm). If so…
• 10169380Nov 15, 2019Electrical system. 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…
• 10169370Nov 4, 2019Back-over prevention (rear camera), Lane departure. The Blind Spot Detection (BSD) or Blind-Spot Collision Warning (BCW) is a system that measures the speed of and distance from the following vehicles by using two magnetic wave radar sensors attached in the rear bumper. The BSD/BCW detects vehicles within the blind spot zone and gives off an alarm (visual and audible). The two magnetic radar sensors provide these functions for BSD/BCW: ? Senses other vehicles in the…

← All problems reported for the 2018 Hyundai Elantra