DTC P1A81-00: Hybrid/EV Battery Stack 1 Delta SOC High (Extreme); DTC P1A86-00: Hybrid/EV Battery Stack 2 Delta SOC High (Extreme) [11/2021 - ]: Description
The HV battery is composed of 70 cells (3.7 V each) in series. The battery ECU assembly monitors the difference in 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 |
|---|---|---|---|---|---|
| P1A81-00 | Hybrid/EV Battery Stack 1 Delta SOC High (Extreme) | The difference in capacity of each cell of the No. 1 HV supply stack sub-assembly exceeds the specified value excessively. (1 trip detection logic) |
|
Comes on | Master Warning: Comes on |
| P1A86-00 | Hybrid/EV Battery Stack 2 Delta SOC High (Extreme) | The difference in capacity of each cell of the No. 2 HV supply stack sub-assembly exceeds the specified value excessively. (1 trip detection logic) |
|
Comes on | Master Warning: Comes on |
HINT:
These DTCs can be stored after clearing the DTCs and driving the vehicle for approximately 10 minutes.