DTC P162B-87: Lost Communication with Battery Monitor Module Missing Message [10/2022 - ]: Description
WARNING: This page is about a different car, the 2025 Lexus RX 350h, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU communicates with the battery state sensor assembly via LIN communication. If a LIN communication error is detected, the hybrid vehicle control ECU stores this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| P162B-87 | Lost Communication with Battery Monitor Module Missing Message | Battery state sensor assembly or hybrid vehicle control ECU communication stops for approximately 17 minutes or more with the ignition switch ON. (1 trip detection logic) |
|
Does not come on | Charge warning is not displayed | Hybrid Control | A | SAE Code: P162B |