Integrated charging control unit logic improvement (SA568)
Kia technical service bulletin TSB_ELE337_R1 for 2024 Kia EV9.
- Bulletin number
- TSB_ELE337_R1 (SA568)
- Component
- Electrical system
- Summary
- TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INTEGRATED CHARGING CONTROL UNIT LOGIC IMPROVEMENT (SA568) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to upgrade the software on the Integrated Charging Control Unit (ICCU) on certain 2024MY EV9 (MV) vehicles produced from September 25, 2023 through March 21, 2024 to improve the auxiliary 12-V battery charging under low voltage conditions. The affected vehicles may experience a discharged 12-V battery while parked and potentially a no-start condition accompanied by DTC P1A961C. The Low Voltage DC/DC Converter (LDC) converts high-voltage battery power (High DC) to 12-V battery power (Low DC). This software upgrade may also be available via Over The Air (OTA) through Kia Connect if it has been activated.
Owners of these vehicles have filed 104 complaints in the electrical category.
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