2018 Genesis G80 Technical Service Bulletins

98 technical service bulletins (TSBs) are on record for the 2018 Genesis G80. 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.
• 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…
• 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…
• 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.
• 11017111Apr 7, 2025Electrical system. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's communication network. If you are experiencing issues with remote commands, or other Bluelink services, please see the instructions below to reestablish the connection via the AVN pinhole reset method.
• 11015936Mar 18, 2025Electrical system. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection via the AVN pinhole reset method.
• 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.
• 11013236Jan 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.
• 11009768Oct 31, 2024Transmission and drivetrain. Certain GV70 (JK1, JK1A), GV80 (JX1) and G80 (RG3) vehicles may have a hum or whine noise condition from the rear differential at certain speeds. This bulletin describes the procedure to inspect the vehicle for the hum or whine noise and if necessary to tighten the rear differential lock nut first. If the hum or whine noise remains, then replace the rear differential or other driveline components as necessary.
• 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.
• 10253275Apr 9, 2024Transmission and drivetrain. This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2.
• 10238378Jun 9, 2023Engine cooling. Certain 2017-2020MY G80 vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an auxiliary canister assembly between the canister and Canister Close Valve (CCV).
• 10238375Jun 9, 2023Engine cooling. Certain 17-18MY Genesis G80 (DH) vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, an auxiliary canister assembly between the canister and Canister Close Valve (CCV) will be installed.
• 10235568Apr 25, 2023Engine cooling, Fuel system. Certain 2017-2020MY G80 vehicles may exceed evaporative emissions standards due to Onboarding Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an auxiliary canister assembly between the canister and Canister Close Valve (CCV).
• 10235567Apr 25, 2023Fuel system, Engine cooling. Certain 2017-2020MY G80 vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an auxiliary canister assembly between the canister and Canister Close Valve (CCV).
• 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.
• 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.
• 10206362Dec 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 Genesis Connected Services (GCS).
• 10206361Dec 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 Genesis Connected Services (GCS).
• 10203273Oct 5, 2021Electrical system. Certain G80 and G90 Genesis vehicles may experience DTC code P0597 for “Thermostat Heater Control Circuit/Open”. This bulletin provides information on replacing the electric thermostat. No drivability issues are associated with this condition.
• 10202186Sep 30, 2021Electrical system, Equipment. This bulletin describes the procedure to variant code the Genesis Sedan (DH) navigation system. A black/blank screen or black and white image may be displayed from the rear view camera after the navigation unit is replaced without performing this variant coding procedure.
• 10202185Sep 29, 2021Brakes, Transmission 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.
• 10200079Jul 23, 2021Fuel system. This TSB provides consolidated diagnosis and repair information, currently in the shop manual, to address DTC U0109 / U010900 related to a communication error with the Fuel Pump Control Module (FPCM).
• 10191796Apr 26, 2021Engine cooling. Certain G80 and G90 Genesis vehicles may experience DTC code P0597 for “Thermostat Heater Control Circuit/Open”. This bulletin provides information on replacing the electric thermostat. No drivability issues are associated with 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.
• 10190042Mar 23, 2021Equipment, Brakes. This bulletin provides best practice recommendations when performing brake service procedures.
• 10190040Mar 23, 2021Transmission and drivetrain, Engine cooling, Equipment. This TSB describes the procedure to update the TCU to revise the diagnosis logic for OBD communication test.
• 10189989Mar 10, 2021Engine cooling, Equipment. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
• 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.
• 10183961Nov 19, 2020Wheels, Tires. 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.
• 10183960Nov 19, 2020Wheels, Tires. 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.
• 10183956Nov 6, 2020Equipment, Electrical system. Certain G80 and G90 Genesis vehicles may experience DTC code P0597 for “Thermostat Heater Control Circuit/Open”. This bulletin provides information on replacing the electric thermostat. No drivability issues are associated with this condition.
• 10182301Oct 7, 2020Steering. This bulletin provides repair information on certain 18MY G80 (DH) vehicles equipped with a 4-bolt steering gear assembly. If a vehicle exhibits a center biased steering feel, and no DTC(s) are active in the steering system, it is recommended to replace the rack-mounted motor driven power steering (R-MDPS) assembly using the updated part numbers shown below:
• 10180991Sep 24, 2020Transmission and drivetrain, Equipment. The bulletin describes the procedure to measure and set propeller shaft angles to optimize driveline vibration performance on certain 2017-2018MY 3.8L AWD G80 (DH) vehicles.
• 10180988Sep 15, 2020Wheels. This bulletin provides information on wheel cleaning procedure and cleaning agent recommendations.
• 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…
• 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.
• 10176181May 4, 2020Transmission and drivetrain. The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:
• 10176178May 1, 2020Equipment. This bulletin describes the general guidelines to help disinfect and protect vehicle exterior/interior surfaces using recommended safe chemical products.
• 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:
• 10174801Apr 9, 2020Equipment, Transmission and drivetrain, Electrical system. Certain Genesis G80 and G90 vehicles may experience the Shift By Wire (SBW) system slipping into Neutral when shifting from Reverse to Drive or Drive to Reverse. Replace the electronic shifter with a new shifter that has a production date of 6/2/17 or newer to resolve this condition.
• 10173551Mar 26, 2020Seats. Some vehicles may experience seat noise and/or possible wobble movement from the seat bottom when the vehicle is turning. This bulletin describes the procedure to install an e-ring clip to the tilt pipe housing on the front seat.
• 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.
• 10172230Feb 28, 2020Seats, Equipment. Certain 2017-2018 G80 (DH) vehicles may have a condition where the seat backboard comes loose. This bulletin describes the procedure to replace the seat backboard clip.
• 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.
• 10172141Feb 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.

← All problems reported for the 2018 Genesis G80