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.
Narrow by vehicle
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 wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0ABF15Hybrid/EV Battery Current Sensor "A" Circuit Short to Auxiliary Battery or Open
P0ABF28Hybrid/EV Battery Current Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure
Manufacturer communications
2Original wording in English
TOYOTA
TT: Mil On. DTC P0AFB11 (Hybrid/EV Battery Current Sensor "A" Circuit Short to Ground), P0ABF15 (Hybrid/EV Battery Current Sensor "A" Circuit Short to Auxiliary Battery or Open), P0ABF28 (Hybrid/EV Battery Current Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure), P0AA649 (Hybrid/EV Battery Voltage System Isol…
TOYOTA
TT: Some Prius Prime customers may experience a MIL ON condition. Vehicles might be put into a failsafe mode and usage of battery will be discontinued. Technicians find DTC code P0ABF28 stored in the ECU.
Check vehicle applicability
8A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Toyota | PRIUS ↗ | 2018 |
| Toyota | PRIUS ↗ | 2017 |
| Toyota | PRIUS PRIME ↗ | 2022 |
| Toyota | PRIUS PRIME ↗ | 2021 |
| Toyota | PRIUS PRIME ↗ | 2020 |
| Toyota | PRIUS PRIME ↗ | 2019 |
| Toyota | PRIUS PRIME ↗ | 2018 |
| Toyota | PRIUS PRIME ↗ | 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.