Genesis DC/DC Converter Input Voltage Sensor Fault
DC/DC Converter Input Voltage Sensor Fault
Quick answer
For certain U.S. 2023–2024 Genesis GV60 and GV70 vehicles, this alert corresponds to DTC P1A9096 and may be associated with an Integrated Charge Control Unit (ICCU) fault that can cause low 12-volt auxiliary-battery charging. Genesis campaign material says the vehicle may enter reduced-power mode and instruct the driver to stop. Arrange Genesis service promptly.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does DC/DC Converter Input Voltage Sensor Fault mean?
For certain U.S. 2023–2024 Genesis GV60 and GV70 vehicles, this alert corresponds to DTC P1A9096 and may be associated with an Integrated Charge Control Unit (ICCU) fault that can cause low 12-volt auxiliary-battery charging. Genesis campaign material says the vehicle may enter reduced-power mode and instruct the driver to stop. Arrange Genesis service promptly.
2. Technical explanation
The supplied official Genesis campaign evidence identifies P1A9096 as “DC/DC Converter Input Voltage Sensor Fault.” For the covered vehicles, Genesis states that an ICCU fault may result in low charging of the 12-volt auxiliary battery and set this DTC. The official service procedure calls for inspection for P1A9096; depending on the inspection result, the remedy may include an ICCU software update or ICCU replacement. One supplied campaign title also identifies ICCU and fuse replacement checks.
3. What system is affected?
Integrated Charge Control Unit (ICCU) and 12-volt auxiliary-battery charging, as established by the supplied Genesis campaign evidence.
4. How serious is this code?
Potentially serious. The official campaign evidence states that, when the fault occurs, the vehicle may enter reduced-power mode and display a message instructing the driver to stop the vehicle.
5. Symptoms you may notice
- Low 12-volt auxiliary-battery charging may occur.
- The vehicle may enter reduced-power mode.
- Various warning lights may illuminate.
- An audible chime may sound.
- A large instrument-cluster message may instruct the driver to stop the vehicle.
6. Possible causes
- For covered vehicles, Genesis identifies an ICCU fault as a condition that may cause low 12-volt auxiliary-battery charging and set P1A9096.
- Other causes are not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence as a general yes/no determination. The official campaign evidence states that the vehicle may enter reduced-power mode and instruct the driver to stop when this fault occurs.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- If the vehicle displays a stop instruction, follow the vehicle message and stop as directed.
- Arrange prompt service with an authorized Genesis retailer.
- Do not attempt high-voltage or ICCU repair yourself.
10. Step-by-step troubleshooting
- Have an authorized Genesis retailer inspect the vehicle for DTC P1A9096.
- The official campaign procedure includes ICCU system inspection. The detailed diagnostic flowchart is referenced in the campaign material but is not included in the supplied evidence.
11. When to contact service
Contact an authorized Genesis retailer promptly and provide the alert description or DTC P1A9096, if available. Ask the retailer to check whether the applicable Genesis service campaign procedure applies to the vehicle.
12. What the service center may check
- Inspect for DTC P1A9096.
- Inspect the ICCU system according to the applicable Genesis service-campaign procedure.
- One supplied campaign title identifies checks for ICCU and fuse replacement.
- Determine whether the campaign procedure calls for an ICCU software update or ICCU replacement.
13. Possible repair or resolution
- Genesis campaign evidence states that the vehicle may require an ICCU software update or ICCU replacement after inspection.
- A supplied campaign title references ICCU and fuse replacement checks.
- The exact repair for an individual vehicle is not yet established by verified evidence and depends on the authorized service inspection.
14. Affected vehicles
- Genesis GV60 · 2023–2024 · US
- Genesis GV70 · 2023–2024 · US
15. Related TSBs / service bulletins
- Genesis Technical Service Bulletin 23-01-069G / Service Campaign 907G, published August 15, 2023, is identified in the supplied NHTSA manufacturer communications for certain covered vehicles.
- NHTSA Manufacturer Communication 10243370, dated September 21, 2023, references 23-01-069G-1 and states that covered vehicles may require ICCU software update or ICCU replacement after inspection.
- Official source: https://static.nhtsa.gov/odi/ffdd/tsbs/TSBS_RECEIVED_2020-2024.zip#nhtsa_id=10243370
16. Recall information
- No recall is established by the supplied verified evidence. The supplied records are official manufacturer communications/service-campaign material.
17. Official manufacturer information
Verified official-source evidence: NHTSA manufacturer communications 10241817 and 10241820, dated August 15, 2023, and 10243370, dated September 21, 2023. These documents reference Genesis TSB 23-01-069G and 23-01-069G-1. Applicability supplied for this page is U.S. 2023–2024 Genesis GV60 and U.S. 2023–2024 Genesis GV70. Vehicle eligibility should be confirmed by an authorized Genesis retailer.
19. Frequently asked questions
What does DC/DC Converter Input Voltage Sensor Fault mean on a covered Genesis EV?
The supplied official Genesis evidence identifies it as DTC P1A9096. For covered vehicles, Genesis states that an ICCU fault may cause low 12-volt auxiliary-battery charging and set this DTC.
What might the driver notice?
Genesis states that the vehicle may enter reduced-power mode, warning lights may appear, an audible chime may sound, and the instrument cluster may instruct the driver to stop.
What is the official repair?
After inspection for P1A9096, the Genesis campaign evidence states that an ICCU software update or ICCU replacement may be required. A supplied campaign title also references ICCU and fuse replacement checks.
Which vehicles are established as covered by the supplied evidence?
The supplied applicability data establishes U.S. 2023–2024 Genesis GV60 and U.S. 2023–2024 Genesis GV70. The official campaign summaries also reference certain 2023–2024 GV60 and GV70 Electrified vehicles. Confirm individual eligibility with Genesis.