DTC P33E0-1B: Hybrid/EV Battery Stack 1 Circuit Resistance Above Threshold; DTC P33E1-1B: Hybrid/EV Battery Stack 2 Circuit Resistance Above Threshold [08/2020 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, and 2021 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
The HV battery is composed of 70 cells (3.7 V each) in series. The battery ECU assembly monitors the internal resistance of each HV battery cell to detect malfunctions of the HV battery.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P33E0-1B | Hybrid/EV Battery Stack 1 Circuit Resistance Above Threshold | The internal resistance of any cell of the No. 1 HV supply stack sub-assembly exceeds the threshold. (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |
| P33E1-1B | Hybrid/EV Battery Stack 2 Circuit Resistance Above Threshold | The internal resistance of any cell of the No. 2 HV supply stack sub-assembly exceeds the threshold. (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P33E0-1B | Hybrid/EV Battery Cell 1 to 70 Internal Resistance |
| P33E1-1B |
The following items can be helpful when performing repairs:
Data List
- Hybrid/EV Battery Cell 1 to 70 Voltage
- Hybrid/EV Battery SOC
- Hybrid/EV Battery Voltage
- Hybrid/EV Battery Current
- Hybrid/EV Battery Temperature 1 to 6
HINT:
These DTCs can be stored after clearing DTCs and driving the vehicle for approximately 10 minutes.