2021 Genesis G80 Technical Service Bulletins

63 technical service bulletins (TSBs) are on record for the 2021 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.

• 10253019Aug 12, 2021Engine cooling. Certain 2021MY Genesis G80 (RG3) vehicles may have coolant leakage from the radiator reservoir tank. Follow the procedure outlined in this bulletin to inspect the radiator reservoir tank, and if necessary, replace it with a new part.
• 10253018Jun 23, 2021Exterior lighting. This bulletin provides the procedure to inspect, and if necessary adjust the headlight aim on some 2021 MY Genesis G80 (RG3) vehicles equipped with Light Emitting Diode (LED) headlamps. The adjustment can help improve headlamp focus and reduce glare from the headlights to oncoming traffic.
• 10253017Apr 23, 2021Exterior lighting. This bulletin provides the procedure to inspect, and if necessary adjust the headlight aim on some 2021 MY Genesis G80 (RG3) vehicles equipped with Light Emitting Diode (LED) headlamps. The adjustment can help improve headlamp focus and reduce glare from the headlights to oncoming traffic.
• 10253016Apr 20, 2021Exterior lighting. This bulletin provides the procedure to inspect, and if necessary adjust the headlight aim on some 2021 MY Genesis G80 (RG3) vehicles equipped with Light Emitting Diode (LED) headlamps. The adjustment can help improve headlamp focus and reduce glare from the headlights to oncoming traffic.
• 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.
• 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.
• 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…
• 10253031Nov 18, 2019Electrical system, Visibility (wipers, defrost, mirrors). 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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