2021 Genesis G70 Technical Service Bulletins

45 technical service bulletins (TSBs) are on record for the 2021 Genesis G70. 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.

• 11038692Oct 22, 2026Body and structure. 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.
• 11033841Jun 2, 2026Back-over prevention (rear camera). Some G70 (IK) vehicles may exhibit a false notification from the front Parking Distance Warning (PDW) sensors when there is no object nearby. This may occur when the parts housing the sensor become loose, causing the sensor to falsely detect objects. There is no functional effect on the vehicle other than the false notification. This bulletin provides the procedure to inspect the vehicle and apply repair(s) as…
• 11031401Apr 18, 2026Engine, Electrical system. Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter magnetic switch (solenoid) assembly.
• 11032523Apr 10, 2026Air bags. The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These inflators were not supplied, approved, or authorized by the vehicle manufacturers and have primarily been found in vehicles that previously experienced a crash and underwent airbag…
• 11032522Apr 10, 2026Air bags. The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN), that have been identified in U.S. vehicles following prior crashes, theft, or non‑certified airbag replacements. These inflators are not approved for use, may rupture during…
• 11031265Apr 7, 2026Electrical system. Certain 2019 – 2022 model year Genesis G70 vehicles may experience an inoperative blower motor (not blowing) that may be caused by damage or deterioration of the blower motor multi-fuse and fuse box. At Genesis, we are committed to providing vehicles of outstanding quality and value.
• 11030323Mar 10, 2026Lane departure, Forward collision avoidance, Exterior lighting. Some 2020MY and newer vehicles equipped with a front view camera may illuminate certain warning lights and trigger DTC C272246 fault code for the front camera. In the following cases, the front camera auto-calibration range may be exceeded while driving: • If the front camera is not properly installed and is completely or partially detached.
• 11029505Feb 28, 2026Other or unknown. The warranty coverage for repairs and replacement of the front wiring on some G70 (IK) vehicles has been extended to 10 years or 120,000 miles from the date of original retail delivery or date of first use, whichever occurs first, and is valid for original and subsequent owners. Some vehicles may have an inoperative blower motor (not blowing). This may be caused by damage or deterioration of the blower motor…
• 11029504Feb 28, 2026Other or unknown. Some vehicles may have an inoperative blower motor (not blowing). This may be caused by damage or deterioration of the blower motor multi-fuse and fuse box. The warranty coverage for repairs and replacement of the front wiring on 2019-2022MY G70 (IK) vehicles has been extended to 10 years or 120,000 miles from the date of original retail delivery or date of first use and is valid for original and subsequent owners.
• 11029503Feb 28, 2026Other or unknown. The warranty coverage for repairs and replacement of the front wiring on some G70 (IK) vehicles has been extended to 10 years or 120,000 miles from the date of original retail delivery or date of first use, whichever occurs first, and is valid for original and subsequent owners. Some vehicles may have an inoperative blower motor (not blowing). This may be caused by damage or deterioration of the blower motor…
• 11027051Dec 18, 2025Body and structure. Certain G70 (IK) vehicles may exhibit abnormal creak and/or rattling noise from the wide sunroof assembly while driving on uneven road conditions. This bulletin outlines the procedures to repair the noise.
• 11025476Nov 6, 2025Exterior lighting. 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…
• 11020939Jul 22, 2025Other or unknown. Certain Genesis vehicles may experience insufficient cooling in the cabin due to leakage at the evaporator core. This bulletin provides instructions to inspect the A/C system for leaks and replace the evaporator core, if necessary.
• 11019055May 30, 2025Other or unknown. This bulletin provides repair information for the dark chrome trim when stains are present. Some stains may occur from hard water or cleaning chemicals used during a car wash. Follow the procedures below to replace the affected dark chrome moldings.
• 11018581May 8, 2025Electrical system. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection by resetting the AVN unit.
• 11017471Apr 29, 2025Electrical system. Certain Genesis vehicles may experience an inoperable horn from moisture or carbonization at the contact point. This bulletin provides a guide to inspect and replace the horns.
• 11017110Apr 7, 2025Electrical system. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Genesis Connected Service functions. This may be due to an irregular disconnection on Verizon's communication network.
• 11015937Mar 18, 2025Electrical system. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Services functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection by resetting the AVN unit.
• 11015365Mar 6, 2025Fuel system. Certain 2019 – 2023 model year Genesis G70 vehicles may have a Fuel Control Valve (FCV) in the High-Pressure Fuel Pump (HPFP) assemblies that could allow excess fuel to enter the fuel pump. This condition may result in a reduction or loss of motive power at low speeds. The vehicle will also have Diagnostic Trouble Code (DTC) P0088.
• 11014139Feb 6, 2025Fuel system. Certain 2019-2023MY G70 (IK) vehicles are equipped with high pressure fuel pump (HPFP) assemblies that have fuel control valves (FCV) that could allow excess fuel to enter the fuel pump due to gradual wear of the FCV plunger. An air/fuel mixture that runs too “rich” may result in a reduction or loss of motive power at low speeds. The vehicle will also have Diagnostic Trouble Code (DTC) P0088.
• 11014136Feb 5, 2025Fuel system. Certain 2019-2023MY G70 (IK) vehicles are equipped with high pressure fuel pump (HPFP) assemblies that have fuel control valves (FCV) that could allow excess fuel to enter the fuel pump due to gradual wear of the FCV plunger. An air/fuel mixture that runs too “rich” may result in a reduction or loss of motive power at low speeds. The vehicle will also have Diagnostic Trouble Code (DTC) P0088.
• 11013238Jan 28, 2025Other or unknown. This procedure provides repair information for the dark chrome trim when stains are present. Some stains may occur from hard water or cleaning chemicals used during a car wash. Follow the procedures below to replace the affected dark chrome moldings.
• 11006825Aug 12, 2024Wheels. This bulletin provides information to inspect and replace the front or rear wheel bearing hub assemblies for all Genesis vehicles. This procedure is applicable when noise (whirring, roaring, grinding, rumbling, etc.) is present which gets louder when driving with more speed.
• 10247603Dec 15, 2023Electrical system, Engine cooling. This bulletin is issued to provide the extended battery diagnosis procedure using GDS. This battery diagnosis function displays the various battery-related faults such as: • Internal short circuit • Battery deterioration • Malfunction of electronic parts • Insufficient battery charge • Normal battery • Charging defect Battery diagnosis uses the battery sensor history saved for the last 30 days and ICU…
• 10238384Jun 20, 2023Transmission and drivetrain. When servicing an 8-speed automatic transmission vehicle with a “Check Engine light” and any of the DTCs listed below, follow the Service Procedure and, if necessary, replace the E-module.
• 10235574Apr 27, 2023Engine cooling. This bulletin addresses a condition of Idle Stop Go (ISG) inoperative not turning off the engine and provides information related to an ECU software update for improvement of: - ISG operation in relation to the battery SOH (State Of Health) condition (deleted as a criteria). - ISG engagement with satisfied battery SOC (State Of Charge).
• 10235566Apr 24, 2023Body and structure. Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can become clouded under the PPF. These spots are the result of moisture trapped between the PPF and the paint.
• 10233543Mar 20, 2023Engine cooling. When servicing a vehicle with a “Check Engine light” and any of the DTCs listed below, follow the Service Procedure to replace the related solenoid and E-module or park position switch.
• 10230903Jan 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.
• 10217309Jul 20, 2022Body and structure, Visibility (wipers, defrost, mirrors). Certain 2019 – 2021MY G70 (IK) vehicles may exhibit abnormal creak and/or rattling noise from the wide sunroof assembly while driving on uneven road conditions. This bulletin outlines the procedures to repair this condition.
• 10253048Aug 17, 2021Transmission and drivetrain. This TSB provides a procedure to diagnose and repair a transmission for the following Incorrect Ratio DTC (transmission clutch slipping more than 200 rpm in gear).
• 10253052May 5, 2021Electrical system. Certain vehicles may experience 504 Time Out errors when using the Genesis Connected Services Mobile App. When asked to provide Modem Information (IMEI/USIM), the Head Unit (HU) displays all zeros. This bulletin describes the procedure to update the Head Unit Software to correct this condition.
• 10190044Mar 30, 2021Engine cooling, Equipment. 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.
• 10253049Feb 3, 2021Equipment. Genesis applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can become clouded under the PPF. These spots are the result of moisture trapped between the PPF and the paint.
• 10253014Nov 16, 2020Brakes. This bulletin describes the procedure to inspect and if necessary, repair brake pulsation on dealer stock vehicles only. The procedure described should be preferably performed with the Vehicle Delivery Inspection (VDI) just prior to retail sale. Performing this campaign over 72 hours prior to retail will make the campaign application ineffective.
• 10182304Oct 9, 2020Equipment, Electrical system. This bulletin provides information and procedures for collecting OBD “In Use Monitor Performance Ratio” (IUMPR) data on certain 2019-2021MY vehicles at California dealers. This reporting is mandated by CARB (California Air Resources Board).
• 10253038Jul 27, 2020Transmission and drivetrain. This bulletin provides a procedure to transfer oil pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the TCU learning time and improve the shift quality.  Before replacing an automatic transmission (Pages 2~3): Input the data from the new transmission into the TCU using the GDS.  Before replacing a TCU (Pages 4~6): Back up the oil pressure data from the old TCU into the GDS and…
• 10178175Jul 14, 2020Equipment, Exterior lighting. 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…
• 10253047Mar 25, 2020Body and structure. This bulletin describes the procedure to inspect and repair a G70 with the Wide Sunroof exhibiting creaking or rattling.
• 10253031Nov 18, 2019Visibility (wipers, defrost, mirrors), Electrical system. Certain vehicles (listed below) equipped with the HomeLink5 (Two Way Communication) mirror may experience programming and operating difficulties with the home garage system. This bulletin provides information related to some of the possible symptoms.
• 10253026Sep 30, 2019Transmission 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, replace…
• 10253043Jun 12, 2019Transmission and drivetrain. This bulletin provides a procedure to diagnose an 8-speed automatic transaxle with a harsh and/or delayed shift.
• 10253025Jun 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).
• 10253042Apr 15, 2019Transmission and drivetrain. This bulletin provides a procedure to transfer oil pressure data to the TCU using GDS Mobile. This procedure is necessary to reduce the TCU learning time and improve the shift quality.  Before replacing an automatic transmission: Input the data into the TCU using the GDS.  Before replacing a TCU: Back up the oil pressure data from the old TCU into the GDS and then transfer the data to the new TCM.
• 10253024Apr 8, 2019Transmission and drivetrain. When servicing a vehicle with a “Check Engine light” and any of the DTCs listed below, follow the Service Procedure to replace the related solenoid and E-module or park position switch.

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