DTC P1BB5-28: Charger "B" Current Sensor after Boosting by PFC Boosting Circuit Signal Bias Level Out of Range / Zero Adjustment Failure [12/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
The charge control ECU built into the electric vehicle charger assembly monitors the DC portion current via the IVH sensor. When an IVH sensor malfunction on the system 2 side is detected, a DTC is stored. If this DTC is output, replace the electric vehicle charger assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| P1BB5-28 | Charger "B" Current Sensor after Boosting by PFC Boosting Circuit Signal Bias Level Out of Range / Zero Adjustment Failure | When VH-DCDC is not operating, IVH current flows. (1 trip detection logic) |
Electric vehicle charger assembly | Comes on | Master Warning: Comes on |
Plug-in Control | A | SAE Code: P1BB6 |