DTC P33E6-00: Hybrid/EV Battery Stack 1 Capacity Decline; DTC P33E7-00: Hybrid/EV Battery Stack 2 Capacity Decline; DTC P33E8-00: Hybrid/EV Battery Stack 3 Capacity Decline; DTC P33E9-00: Hybrid/EV Battery Stack 4 Capacity Decline [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 HV battery is composed of 96 cells (3.7 V each) in series. The battery ECU assembly monitors the capacity of each HV battery cell to detect malfunctions of the HV battery.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| P33E6-00 | Hybrid/EV Battery Stack 1 Capacity Decline | Full charge capacity of the No. 1 HV supply stack sub-assembly is less than the specified value. (1 trip detection logic) |
No. 1 HV supply stack sub-assembly | Does not come on | Master Warning: Comes on |
HV Battery | A | SAE Code: P33E6 |
| P33E7-00 | Hybrid/EV Battery Stack 2 Capacity Decline | Full charge capacity of the No. 2 HV supply stack sub-assembly is less than the specified value. (1 trip detection logic) |
No. 2 HV supply stack sub-assembly | Does not come on | Master Warning: Comes on |
HV Battery | A | SAE Code: P33E7 |
| P33E8-00 | Hybrid/EV Battery Stack 3 Capacity Decline | Full charge capacity of the No. 3 HV supply stack sub-assembly is less than the specified value. (1 trip detection logic) |
No. 3 HV supply stack sub-assembly | Does not come on | Master Warning: Comes on |
HV Battery | A | SAE Code: P33E8 |
| P33E9-00 | Hybrid/EV Battery Stack 4 Capacity Decline | Full charge capacity of the No. 4 HV supply stack sub-assembly is less than the specified value. (1 trip detection logic) |
No. 4 HV supply stack sub-assembly | Does not come on | Master Warning: Comes on |
HV Battery | A | SAE Code: P33E9 |