DTC P1AC4-13: Hybrid/EV Battery Stack 1 Current Interrupt Device Circuit Open; DTC P1AC5-13: Hybrid/EV Battery Stack 2 Current Interrupt Device Circuit Open [08/2020 - ]: Description
WARNING: This page is about a different car, the 2022 Toyota Avalon and 2021 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
The battery ECU assembly restricts charging and discharging of the HV battery and stores a DTC when a current interrupt device (CID) located in an HV battery cell has operated and the high voltage circuit is disconnected.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P1AC4-13 | Hybrid/EV Battery Stack 1 Current Interrupt Device Circuit Open | A shut-off by a CID occurs. (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |
| P1AC5-13 | Hybrid/EV Battery Stack 2 Current Interrupt Device Circuit Open | A shut-off by a CID occurs. (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P1AC4-13 |
|
| P1AC5-13 |