DTC P31B5-49: Hybrid/EV Battery Internal Electronic Failure [11/2022 - ]: Description
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The battery ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | Note |
|---|---|---|---|---|---|---|
| P31B5-49 | Hybrid/EV Battery Internal Electronic Failure | An abnormal signal is detected by the battery ECU assembly (excessive discharging current). (1 trip detection logic) |
Hybrid vehicle control ECU | Does not come on | Master Warning: Comes on |
SAE Code: P31B5 |