DTC P162B-87: Lost Communication with Battery Monitor Module Missing Message [08/2023 - ]: Description
WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU assembly 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, hybrid vehicle control ECU and compressor with motor assembly 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 |