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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Battery / Charging System (A25A-FXS) - Diagnostic Codes & Symptom Tests) >> Charging System >> DTC P162B-87: Lost Communication with Battery Monitor Module Missing Message [11/2023 - ] >> Description

DTC P162B-87: Lost Communication with Battery Monitor Module Missing Message [11/2023 - ]: Description

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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 Warning Indicate Memory
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)
  • Wire harness or connector
  • Battery state sensor assembly
  • Hybrid vehicle control ECU
Charge warning is not displayed DTC stored