NHTSA ID Number: 11018880
Manufacturer Communication Number: 25-01-026G DN
TSB/Document Date: 2025-06-03
Summary
Certain 2025MY GV80 and GV80 Coupe (JX1) vehicles equipped with the 3.5T-GDI Lambda III engine may NOT experience a warning lamp illumination of DTC P0461/P2066 when the calculated fuel consumption and the fuel consumption calculated from the fuel level sensor signal is over its threshold value.
Service Campaign 912G: ECU Update P0461/P2066 Fuel Level Sensor Logic Improvement–
Retailer Notification
May 12, 2025
Updates to this Document
• Technical Service Bulletin (TSB) 25-01-026G published on GAM Tech Info
Date
05/12/2025
Service Campaign Description:
Certain 2025MY GV80 and GV80 Coupe (JX1) vehicles equipped with the 3.5T-GDI Lambda III engine may NOT
experience a warning lamp illumination of DTC P0461/P2066 when the calculated fuel consumption and the fuel
consumption calculated from the fuel level sensor signal is over its threshold value.
The California Air Resources Board has determined that these vehicles may be releasing air pollutants which
exceed Federal and California standards.
Affected Vehicles:
•
•
2025MY GV80 (JX1) produced from 03/30/2024 - 11/19/2024
2025MY GV80 Coupe (JX1) produced from 04/01/2024 – 12/02/2024
Remedy Information:
Follow the service procedure outlined in TSB 25-01-026G (or latest version) to update the ECM (Engine Control
Module) and revise the fuel level sensor warning light logic.
• Technician Certification Requirements: Genesis Certified (or higher) is required.
GDS Information:
•
•
System Selection: Engine
Event: #1217 JX PE ECU UPGRADE - DIAGNOSIS LOGIC IMPROVEMENT (P0461/P2066)
(or use a later available event as listed in the GDS TCU Update screen if one is available)
Recommended Alternative Transportation
A Service Valet or CVP 4.0 vehicle may be required based on the repair procedure duration/wait and any other
additional work on the vehicle that may need to be addressed during the guest’s visit.
❖ A Courtesy Vehicle Program (CVP) 4.0 vehicle or Service Valet is expected to be provided to guests.
a. Please note that Service Valet is available to the original/subsequent owner for 3 years/36,000
miles ONLY.
b. A CVP 4.0 Vehicle can be offered with opportunity for Daily Reimbursement (Please refer to CVP
4.0 Warranty/Campaign Rental Guidelines).
Other Notes/Recommendations
•
•
•
If a guest arrives to the retailer with no appointment scheduled, it is recommended for the retailer to offer
alternative transportation to the retailer while the vehicle is being inspected.
Always inquire if the guest will have time for an additional service to be performed if they were originally
scheduled for a different service.
All vehicles will require software update.
•
•
•
•
•
Every vehicle needs to have an emission sticker under the hood included.
If applicable (per state), please provide the customer with the proof of correction card as specified on page
9 for physical proof of the campaign completion by the dealership.
Offer CVP assistance for customers who may be pressed on time.
Be honest with guests on wait times.
If the service is taking longer than expected, update the guest.
Warranty Information
•
•
Refer to TSB 25-01-026G (or latest version), the service campaign pays the following:
o Labor: 0.4 M/H for updating the software & installing the campaign sticker
o Parts: None
Photos:
o The time above includes taking validation photos of the ‘ECU Update Complete’ screen with your
tablet and installing the emission sticker.
o Op times include VIN, Mileage, and Repair validation photo(s) as outlined in the Digital
Documentation Policy.
Parts Information
•
•
•
o
o
Guest Talk Tracks
1. For guests with an appointment, but campaign not part of originally scheduled services:
“I see that your vehicle has an open service campaign that we would like to take care of for you while you are here
today. This service campaign requires updating the vehicles’ Engine Control Module. This service, of course, will be
provided at no charge to you and, if necessary, we would like to offer you alternative transportation while we
repair your vehicle. We apologize for the inconvenience.”
2. For walk-in guest:
“During your visit today, I checked your vehicle for any open campaign or recalls and found that your vehicle has
an open campaign. This service campaign requires the vehicle’s Engine Control Module (ECM) software to be
updated. This service, of course, will be provided at no charge to you and, if necessary, we would like to offer you
alternative transportation while we repair your vehicle. We apologize for the inconvenience.”
3. For guests over the phone:
“While I have you on the line and am verifying your current appointment, I ran your VIN and see that your vehicle
has an open campaign. This service campaign requires the vehicle’s Engine Control Module (ECM) software to be
updated. If time permits, we can address this campaign during your current appointment, and it will be at no
charge to you. Should you need, we can arrange for alternate transportation since this may prolong the stay of
your vehicle at service. We apologize for the inconvenience.”
4. For Genesis
guests with applicable problem(s) related to the condition:
“Your vehicle may NOT experience a warning lamp illumination of Diagnostic Trouble Code P0461 or P2066.
Please reach out to your nearest Genesis
retailer for assistance to schedule an appointment.”
Retail Notification Checklist
Reservation:
Did you check WebDCS for additional campaigns or recalls? Did you check for any declined services from
previous visits?
Yes
No - Please ensure all open campaign(s)/recall(s) are identified and completed by the retailer.
Also ask guest if he/she would like to have any of the previous declined services performed.
Readiness: Are the required GDS’s available to perform the repairs?
Yes
No – It is highly recommended to order the necessary tools/parts ahead of time to save time
perform repair efficiently for the optimal guest experience.
Reception: Did the guest provide authorization to perform repairs?
Yes
No - Guest must be consulted and provide approval before proceeding with any repairs on their
vehicle.
Did you explain to the guest the expected repair time and set the expectation for a status update?
Yes
No – Guest should be given an estimated time of when his/her vehicle is completed so the
customer can plan the rest of their day away from the retailer.
Did you offer the guest Alternative Transportation if requested?
Yes
No – Guest should be offered alternative transportation if they feel uncomfortable in the operation
of their vehicle prior to the repair being completed on his/her vehicle. In addition, a CVP may be
required based on the repair procedure duration and any other additional work on the vehicle that
may need to be addressed during guest’s visit. Guest may also request CVP regardless.
Repair: Does the Technician meet the recommended training requirements (Certified level or above) to
complete this campaign?
Yes
No – Please ensure a technician with certified level (or higher) completes this repair.
Return: Did you get the guest’s signature on all warranty lines in addition to the final RO?
Yes
No – Customer must sign the final invoice upon retailer’s delivery of the vehicle back to the
customer.
Customer FAQ:
Q1: What is the issue?
A1: Certain 2025MY GV80 and GV80 Coupe (JX1) vehicles equipped with the 3.5T-GDI Lambda III engine may
NOT experience a warning lamp illumination of DTC P0461/P2066 when the calculated fuel consumption and the
fuel consumption calculated from the fuel level sensor signal is over its threshold value.
Q2: What are the affected vehicles?
A2: Affected vehicles include the following:
• Certain 2025MY GV80 (JX1) produced from 03/30/2024 – 11/19/2024
• Certain 2025MY GV80 Coupe (JX1) produced from 04/01/2024 – 12/02/2024
Q3: Why is this campaign being provided to me?
A3: These vehicles may be releasing air pollutants which exceed Federal and California standards. These standards
were established to protect your health and welfare from the dangers of air pollution. The fuel level sensor may
also not meet current specifications.
Q4: Are you a California registered owner or one from Colorado, Connecticut, Delaware, Maine, Maryland,
Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont or Washington?
A4: Because your state has adopted the California emissions regulation, your Genesis retailer will also provide a
“Proof of Correction” certificate as verification that this repair has been completed. It’s critical that it is retained for
your records and to be presented when registering your vehicle, if requested.
Q5: What will be done during service at the retailer?
A5: The engine control module update for the fuel level sensor warning light logic will be offered at no charge to
guests for all affected vehicles.
Q6: When will owners be notified?
A6: Owners of the subject vehicles are expected to be notified via First Class Mail in June 2025.
Contact Reference:
Please see the following page for commonly referred to contacts.
Thank you for your prompt attention to this emissions matter and continued commitment to our Genesis guests.
Key Contact Information
Retailer Support
Parts
Contact Information
1-844-436-6455
www.GenesisDealerUSA.com
Description
Parts ordering hotline for retailers
Parts > Mobis Parts Portal
Techline
1‐800‐325‐6604
Vehicle Technical Support for Genesis![]()
Warranty HELP Line
1‐877‐446‐2922
[email protected]
Warranty Claim questions for Genesis![]()
Retailers
Warranty Prior Approval (PA)
Center
1‐844-371-3808
Warranty Prior Approval (PA) Center for
Genesis Retailers
Service Lane Technology
(SLT)
[email protected] / 1-866-9846355
Xtime / AutoLoop /
CDK
[email protected] / 1-877-8502010
Customer Support
Genesis
Customer Care
GenesisRecall /Campaign
Website
Genesis Roadside Assistance
Assistance with SLT Appointment:
• Appointment / Shop Capacity
Management / Campaign Integration
/ OperationCodes
Contact Information
Description
1‐844‐340‐9741
customercare@genesis
motorsusa.com
www.genesis.com/us/recall
For Genesis Customer Care,
Connected Services and Roadside
Assistance
1-844-340-9742
Genesis Roadside Assistance
Updated information for customers
related to recall and service campaigns
Key Reference Information
Name
Service Valet Appointment Scheduling
Car Care Scheduling (Xtime) - Recall
Appointment Notification
Source
www.GenesisdealerUSA.com > Resources > Document Library >
Services > Service Valet > Xtime Service Valet Settings Guide
1. Log into Xtime
2. Under the menu at the top left, select ‘CONFIGURE’
3. Under the dealership tab, click “EMAIL COMMUNICATION”
4. Slide the toggle to “ADVANCED”
5.
Populate as many e-mails as desired in the “PARTS DESK
Parts – Campaign Parts Management
(CPM) Procedure
As applicable; www.GenesisdealerUSA.com > Resources >
Documents Library > Parts > Campaign Parts Management
Courtesy Vehicle (CVP)Program
www.GenesisdealerUSA.com > Service tab > CVP Fleet Management
Technical Service Bulletin (TSB)
www.GenesisdealerUSA.com > Service tab > Tech Info
Uncompleted Campaign VIN Listing
A listing of vehicles is located on WEBDCS> SERVICE tab> select
UNCOMPLETED CAMPAIGN VIN LISTING
– Dealer Stock (New, SRC, CPO, etc.) and Retailed.
Recall /Campaign Website
NHTSA Website
- 3X Stronger than the leading full synthetic*
- 10X Better high stress performance**
- 20,000 miles between oil changes***
- Viscosity breakdown as measured in Kurt Orbahn test on 5W...
- As measured in Seq IX test under high load/torque conditions...
If the PDF is very large, it may not load in the preview below.
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If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
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View Latest Vehicle Investigations
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TSB/Document ID: 25-01-026G DN
Replacement Service Bulletin Number:
MFR Communication Date: 2025-05-13
MFR Internal Campaign ID/Software Version: 912G
Communication Type: Service Campaign
NHTSA Components: FUEL/PROPULSION SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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