Service bulletins for the 2023 Genesis GV60
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.
56 on file from NHTSA, as of 2026-10-19.
About P1B77 on the 2023 Genesis GV60: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P1B77 are shown. Show all
| 24-EV-004G | 2024-08-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides important special service instructions to properly repair a vehicle that has been diagnosed to require an Integrated Charge Control Unit (ICCU) replacement, such as required for DTC P1A9096 DC to DC related charging concern or for inoperative AC charging. • The ICCU fuse accessible from a rear side panel of the EV Battery, should NEVER be replaced by itself prior to receiving an ICCU replacement part. • The ICCU fuse should be replaced at the same time as replacing the ICCU part. o The ICCU fuse function is to protect the EV Battery from a damaged ICCU. o DTC P1B77 Power Relay Assy (PRA) damage in the EV Battery can occur when an ICCU fuse is first replaced without also replacing the ICCU together. o Vehicles with P1B77 require Techline approval for field staff involved EV Battery repair and can result in significant additional delay for customers. o Wait to receive ICCU replacement part first before also replacing the ICCU fuse on the rear side of the EV battery. This bulletin also covers how to handle a situation when the nut(s) at the rear of the ICCU fuse falls back into the battery. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.