Front Radar Software Update For DTC C1620 (25-BE-007G)

WARNING: This page is about the G80 2.5T, AWD, which is a different variant/trim than selected.

Publication date: 2025-04-01
Reference number: 25-BE-007G

FRONT RADAR SOFTWARE UPDATE FOR DTC C1620

TECHNICAL SERVICE BULLETIN

Reference Number(s): 25-BE-007G, Date of Issue: April 01, 2025

GENESIS:	2021-2023MY GV80 (JX1); 2022-2023MY GV70 (JK1); 2021-2023MY G80 (RG3); 2023MY G80 Electrified (RG3 EV)
GROUP:	BODY ELECTRICAL

DESCRIPTION

Certain 2021-2023MY GV80 (JX1), 2022-2023MY GV70 (JK1), 2021-2023MY G80 (RG3) and 2023MY G80 Electrified (RG3 EV) vehicles may exhibit a warning light with DTC C162078 due to improper detection of steel structures.

Advanced Driver Assistance System (ADAS) functions are not affected due to this condition. Follow the procedure in this bulletin to update the front radar unit and perform all related adjustments according to shop manual.

Applicable Vehicles:

2021-2023MY GV80 (JX1)
2022-2023MY GV70 (JK1)
2021-2023MY G80 (RG3)
2023MY G80 Electrified (RG3 EV)

NOTE: To avoid any potential damage to Genesis EVs, Genesis EV repairs can only be performed by EV certified Genesis retailers.

SST INFORMATION

Tool Name	Tool Number	Figure	Ordering Information
VCI 3	G0VPNNN006		Website: https://genesisessentialtools.com/ Email: Genesistools@snapon.com Phone: 1-855-763-6630 Hours: 7 AM - 7 PM CST
VCI 2	G1XDDMN002

GDS INFORMATION

System	Event	Description
Front Radar	1100	JX1 Front Radar C162078 DTC Logic Improvement
	1101	RG3 Front Radar C162078 DTC Logic Improvement
	1102	RG3 EV Front Radar C162078 DTC Logic Improvement
	1103	JK1 Front Radar C162078 DTC Logic Improvement

(or use a later available event as listed in the GDS FR_Radar/Front Radar applicable System (e.g. ECM) Update screen if one is available.)

WARRANTY INFORMATION

Model	Op. Code	Operation	Op. Time	Causal Part	Nature Code	Cause Code
G80 (RG3) G80 Electrified (RG3 EV) GV70 (JK1) GV80 (JX1)	99110F05	FCA Update & Front Radar Calibration	0.8 M/H	99110*	I14	ZZ3

NOTE:

Normal warranty applies.
Submit claim on Claim Entry Screen as "Warranty" type.
This TSB includes Repair validation photo(s). Op times include VIN, Mileage, and photo capture of the "ECU update complete" screen as outlined in the Digital Documentation Policy.
If a part is found in need of replacement while performing this TSB and the affected part is still under warranty, submit a separate claim using the same repair order. If the affected part is out of warranty, submit a Prior Approval request for goodwill consideration prior to performing the work.
*Refer to applicable parts catalog for full causal part numbers.

ROM ID INFORMATION

Model	Event	System	ECU Part Number	ROM ID
Model	Event	System	ECU Part Number	Old	New
GV80 (JX1) 21MY	1100	Front Radar	99110-T6000	1.00 1.01 1.02 1.03	1.A0
GV80 (JX1) 22-23MY	1100		99110-T6100	1.00 1.01	1.02
G80 (RG3) 21MY	1101		99110-T1010 99110-T1020	1.00 1.01 1.02	1.A0
G80 (RG3) 22-23MY	1101		99110-T1110 99110-T1120	1.00 1.01	1.02
G80 Electrified (RG3 EV)	1102		99110-JI000 99110-JI010	1.00 1.01	1.02
GV70 (JK1) 22-23MY	1103		99110-AR000 99110-AR100	1.00 1.01 1.02	1.A0

SERVICE PROCEDURE

DIGITAL DOCUMENTATION

This TSB includes Repair validation photos. Refer to the latest Warranty Digital Documentation Policy for requirements.

NOTE: You must initially perform the GDS ECU update in Auto Mode.

If the ECU update starts but then fails in Auto Mode, perform the update in Manual Mode to recover.

NOTE: Ensure the vehicle's battery charge is above 11.0 Volts and the tablet's battery charge is above 30% before performing a software update to avoid the update from failing.

Information

Turn OFF all lamps (do NOT leave head lamp switch in auto mode) and all accessories.
Perform update with the ignition switch in the ON position.
Do NOT disconnect any cables connected to the vehicle or scan tool during update.
Do NOT start the engine during update.
Do NOT turn OFF the ignition switch during update.

AUTOMATIC UPDATE PROCEDURE WITH GDS-SMART

Perform the ECU update in Auto Mode.
Use the ID Check to verify the ROM ID before updating the software.

Information

Refer to TSB # 24-GI-016G, ECU UPDATE PROCEDURE FOR TABLET-BASED GENESIS SMART , for additional information.
Select the Front Radar system to scan the vehicle's current ROM ID.
NOTE: Check the current ROM ID version and compare it to the ROM ID Information table before attempting to perform the software update.

NOTE: If the update fails, please remove the power connector or the battery (-) connector from the indoor fuse box for at least 5 seconds and reassemble it to retry the update.
After the ECU update process shows 100% complete, follow the prompts on the screen to cycle the ignition OFF for at least 10 seconds to reset the control unit (certain models may take up to 30 seconds ).
Information

Use the Refresh button to reset the timer.
DIGITAL DOCUMENTATION
Take a screenshot of the ECU update complete screen using your tablet and upload to STUI.
Perform an All Systems Fault Code search and erase DTC history that had incidentally occurred from the ECU update.
Disconnect the power connector of the indoor fuse box, wait at least 5 seconds, then reconnect it.
Information

Alternatively, disconnect the negative (-) 12V battery terminal, wait 5 seconds, then reconnect it.
Start the engine OR place in Ready mode to confirm proper operation of the vehicle.
Proceed to the FRONT RADAR CALIBRATION section on page 7 to recalibrate the system.

NOTE: If the ECU update fails in Auto Mode, perform the update in Manual Mode using the password(s) below.

MANUAL MODE PASSWORD

MANUAL MODE PASSWORD INFORMATION

Event	ECM Menu	Password
1100	JX1 FCA 99110-T6000	0119
1100	JX1 FCA 99110-T6100	0016
1101	RG3 FCA 99110-T1020	1010
1101	RG3 FCA 99110-T1120	1110
1102	RG3 EV FCA 99110-JI010	9110
1103	JK1 FCA 99110-AR100	0010

FRONT RADAR CALIBRATION

Information

After the front radar software update, system recalibration MUST be performed.

Calibration MUST be performed in Driving Mode (C2) , NOT Stop Mode.

Refer to the shop manual:

Advanced Driver Assistance System (ADAS) > Front Radar System> Front Radar Unit > Repair procedures

Select S/W Management (A) then select Front Radar (B).
Select Inspection/correction of the front radar mounting angle (C) then Run (D).
Review the correction procedure and preconditions before selecting OK (E).
Information

Calibration MUST be performed in Driving Mode (C2) .

Front bumper removal is NOT required as indicated on the preparation steps.
Input "00" (F) into the code input field.
Select OK (G) then select C2 (H).
Information

Calibration MUST be performed in Driving Mode (C2).
Follow the preparation steps to perform the Driving Mode (C2) calibration.
Calibration progress will be shown on the screen until it is successfully completed.
Information

Vehicle needs to be driven more than 40 MPH until the progress reaches 100%.

Information

The cluster will display Forward Safety & Master warning lights until the calibration is completed.
The repair procedure is now complete.