Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
2Original wording in English
HYUNDAI
Some 2016-2017MY Sonata Plug-In Hybrid vehicles may develop a Check Hybrid System Light On with the DTC P1BA7 DTC found stored in the Battery Management System (BMS).
KIA
PITSTOP: Voltage Protection Device (VPD) DTCs P1BA7 and P1B77 - The Voltage Protection Device (VPD) (1) is mounted on top of the HV battery pack. If the HV battery overcharges, the battery cells/modules/case can swell. If swelling occurs, the VPD switch will turn ON, and the Battery Management System (BMS) will receive the VPD ?…
Check vehicle applicability
3A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Hyundai | SONATA ↗ | 2017 |
| Hyundai | SONATA ↗ | 2016 |
| Kia | NIRO HYBRID ↗ | 2017 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.