DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 113 (Hybrid Control System (2WD) - Diagnostic Codes (6 Of 7)) >> HYBRID CONTROL SYSTEM (for 2WD) >> DTC P3123-87: Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message [12/2019 - 11/2023] >> Monitor Description

Monitor Description

WARNING: This page is about a different variant/trim than selected.

The hybrid vehicle control ECU monitors communication data and detects malfunctions, it will illuminate the MIL and store a DTC.

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