2018 Hyundai Accent Technical Service Bulletins

84 technical service bulletins (TSBs) are on record for the 2018 Hyundai Accent. 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.

• 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…
• 10176197May 28, 2020Latches, locks and linkages. The trunk latch base can be ordered separately from the trunk latch assembly. This bulletin describes the procedure to replace the trunk latch base.
• 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
• 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.
• 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.
• 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.
• 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…
• 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.
• 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.
• 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.
• 10140447May 23, 2018Equipment, Electrical system. Hyundai Motor America is adding additional VINs to Service Campaign T2X. Service Campaign T2X provides a service procedure to replace spark plugs on certain 2018 Accent vehicles.
• 10140443May 22, 2018Electrical system. This bulletin provides the procedure to inspect the current spark plugs, replace all 4 spark plugs, check new spark plug gap, and clear Diagnostic Trouble Codes (DTC). This bulletin addresses the following conditions: ? DTC P0300 / P0301 / P0302 / P0303 / P0304 Random/Multiple Misfire. ? Engine runs rough.
• 10138235Apr 30, 2018Transmission and drivetrain, 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.
• 10138245Apr 25, 2018Engine cooling. This bulletin provides the procedure to inspect the current spark plugs, replace all 4 spark plugs, check new spark plug gap, and clear Diagnostic Trouble Codes (DTC). This bulletin addresses the following conditions: ? DTC P0300 / P0301 / P0302 / P0303 / P0304 Random/Multiple Misfire. ? Engine runs rough.
• 10138236Apr 25, 2018Engine cooling. Hyundai Motor America is conducting a Service Campaign to replace the spark plugs on certain 2018 Accent vehicles. Service Campaign T2X provides a service procedure to replace the spark plugs.
• 10138240Apr 6, 2018Transmission and drivetrain, 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.
• 10138237Apr 2, 2018Transmission and drivetrain. If a vehicle exhibits a harsh and/or delayed shift, follow the Service Procedure below to measure the shift engagement time.

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