WenmarOpen by Wenmar Pro

Service bulletins for the 2021 Genesis G70

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

44 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with type: Service bulletin are shown. Show all

Bulletins, newest first
26-BE-016G TSB2026-06-16. Service bulletin. BACK OVER PREVENTION: WARNINGS. 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 needed.
26-EE-003G TSB2026-04-21. Service bulletin. ENGINE; 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.
26-AD-001G2026-03-30. Service bulletin. LANE DEPARTURE: WARNING; EXTERIOR LIGHTING; LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: WARNINGS. 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. • In case of excessive changes affecting the vehicle's balance (e.g., loading excessively heavy cargo in a specific location of the vehicle, or significant under-inflation of the tires). • Specific road conditions affecting the vehicle's balance (e.g., excessive road crown) This TSB provides instructions on how to service the vehicle when the front camera related warning light(s) are triggered due to system out of calibration (DTC_C272246).
25-BD-013G TSB2026-01-06. Service bulletin. STRUCTURE:BODY. 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.
25-BD-012H TSB2025-11-12. Service bulletin. EXTERIOR 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 during normal driving operation.
25-HA-002G TSB2025-07-29. Service bulletin. UNKNOWN OR OTHER. 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.
25-BD-001G-1 TSB2025-06-04. Service bulletin. UNKNOWN OR OTHER. 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.
25-GI-009G2025-05-02. Service bulletin. ELECTRICAL 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.
25-BD-001G TSB2025-01-30. Service bulletin. UNKNOWN OR OTHER. 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.
24-DS-003G2024-09-03. Service bulletin. WHEELS. 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.
21-BE-008G2024-04-11. Service bulletin. ELECTRICAL 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.
21-BD-001G2024-04-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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.
21-AT-015G2024-04-11. Service bulletin. POWER TRAIN. 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).
20-BD-008G2024-04-11. Service bulletin. STRUCTURE. This bulletin describes the procedure to inspect and repair a G70 with the Wide Sunroof exhibiting creaking or rattling.
19-AT-014G2024-04-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This bulletin provides a procedure to diagnose an 8-speed automatic transaxle with a harsh and/or delayed shift.
19-AT-007G2024-04-11. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. 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.
21-AT-012G2024-04-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. 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 then transfer the data to the new TCM.
19-BE-017G2024-04-11. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; ELECTRICAL SYSTEM; VISIBILITY. 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.
19-AT-023G2024-04-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. 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 the transmission.
19-AT-012G2024-04-11. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. 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).
19-AT-008G2024-04-11. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. 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.
20-01-043G2024-04-11. Service bulletin. SERVICE BRAKES, HYDRAULIC. 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.
23-EE-013G2023-12-22. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. 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 diagnostic communication to track battery state of charge (SOC) and current parasitic draw history.
23-AT-007G2023-07-01. Service bulletin. POWER TRAIN. 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.
23-EE-008G2023-05-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ENGINE AND ENGINE 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).

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.