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Service bulletins for the 2023 Genesis G80

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.

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

About P1A90 on the 2023 Genesis G80: what the code means, and the bulletins and recalls about the same components.

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By component

By trouble code

Only bulletins with trouble code: P1A90 are shown. Show all

Bulletins, newest first
23-01-069G-12023-10-02. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; POWER TRAIN. Certain 2023MY G80 Electrified (RG3 EV), 2023-24MY GV60 (JW1 EV), and 2023-24MY GV70 Electrified (JK1a EV) vehicles may have a condition where low 12V auxiliary battery charging occurs due to an ICCU (Integrated Charge Control Unit) fault and may set the following DTC P1A9096 – “DC/DC Converter Input Voltage Sensor Fault”. When a fault occurs, the vehicle may enter a reduced power mode while various warning lights, an audible chime will sound, and large messaging in the vehicle’s instrument cluster will appear, instructing the driver to stop the vehicle. The vehicle will be inspected for a DTC P1A9096 and may require either an ICCU software update or ICCU replacement and fuse replacement.
23-01-069G-12023-10-02. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Certain 2023MY G80 Electrified (RG3 EV), 2023-24MY GV60 (JW1 EV), and 2023-24MY GV70 Electrified (JK1a EV) vehicles may have a condition where low 12V auxiliary battery charging occurs due to an ICCU (Integrated Charge Control Unit) fault and may set the following DTC P1A9096 – “DC/DC Converter Input Voltage Sensor Fault”. When a fault occurs, the vehicle may enter a reduced power mode while various warning lights, an audible chime will sound, and large messaging in the vehicle’s instrument cluster will appear and instruct the driver to stop the vehicle. The Service Procedure flow to be followed is outlined by the flowchart on Page-3. The ICCU system is to be checked by GDS for DTC P1A9096 and depending on the result, will involve either an ICCU software update, or ICCU and fuse replacement.
23-01-069G2023-09-05. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; POWER TRAIN. Certain 2023MY G80 Electrified (RG3 EV) and 2023-24MY GV60 (JW1 EV), vehicles may have a condition where low 12V auxiliary battery charging occurs due to an ICCU (Integrated Charge Control Unit) fault and may set the following DTC P1A9096 – “DC/DC Converter Input Voltage Sensor Fault”. When a fault occurs, the vehicle may enter a reduced power mode while various warning lights, an audible chime will sound, and large messaging in the vehicle’s instrument cluster will appear and instruct the driver to stop the vehicle. The Service Procedure flow to be followed is outlined by the flowchart on Page-3. The ICCU system is to be checked by GDS for DTC P1A9096 and depending on the result, will involve either an ICCU software update, or ICCU and fuse replacement.
23-01-069G2023-09-05. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; UNKNOWN OR OTHER. Certain 2023MY G80 Electrified (RG3 EV) and 2023-24MY GV60 (JW1 EV), vehicles may have a condition where low 12V auxiliary battery charging occurs due to an ICCU (Integrated Charge Control Unit) fault and may set the following DTC P1A9096 – “DC/DC Converter Input Voltage Sensor Fault”. When a fault occurs, the vehicle may enter a reduced power mode while various warning lights, an audible chime will sound, and large messaging in the vehicle’s instrument cluster will appear, instructing the driver to stop the vehicle. The vehicle will be inspected for a DTC P1A9096 and may require either an ICCU software update or ICCU replacement and fuse replacement.

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