DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery / Charging System (W/ Stop And Start System) (2GR-FKS) - Diagnostic Codes & Symptom Tests >> CHARGING SYSTEM (w/ Stop And Start System) >> DTC P162B-87: Lost Communication with Battery Monitor Module Missing Message [12/2019 - 10/2022] >> Description

DTC P162B-87: Lost Communication with Battery Monitor Module Missing Message [12/2019 - 10/2022]: Description

The ECM communicates with the battery state sensor assembly via LIN communication. If a LIN communication error is detected, the ECM stores this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory Note
P162B-87 Lost Communication with Battery Monitor Module Missing Message Battery state sensor assembly or ECM communication stops for approximately 17 minutes or more with the ignition switch to ON.
(1 trip detection logic)
  • Wire harness or connector
  • Battery state sensor assembly
  • ECM
Charge warning is not displayed DTC stored SAE Code: P162B