KIA
TSB_ELE192
Manufacturer communications
- Publication date
- 2020-04-02
- Received by NHTSA
- 2020-05-05
- NHTSA record numbers
- 10174515
Manufacturer summary
Original wording in English
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: BMS/OPU/MCU LOGIC IMPROVEMENT (SA411) - This bulletin provides the procedure to improve the logic of the Battery Management System (BMS), Oil Pump Control Unit (OPU) and Motor Control Unit (MCU) on some 2017-2019MY Optima (JF P/HEV) vehicles, produced from August 25, 2016 through September 13, 2018 (refer to page 8) in order to improve the BMS diagnosis logic, OPU judgment logic for DTC P1B77 (High Voltage Battery Pre-Charging fault) and MCU communication logic.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Kia
P1B77High Voltage Battery Pre-Charging faultCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Kia | OPTIMA | 2019 |
| Kia | OPTIMA | 2018 |
| Kia | OPTIMA | 2017 |
| Kia | OPTIMA HYBRID | 2019 |
| Kia | OPTIMA HYBRID | 2018 |
| Kia | OPTIMA HYBRID | 2017 |
| Kia | OPTIMA PHEV | 2019 |
| Kia | OPTIMA PHEV | 2018 |
| Kia | OPTIMA PHEV | 2017 |