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Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Hybrid Control System - Diagnostic Codes (5 Of 5) & Circuit Tests) >> Hybrid Control System >> DTC P3123-87: Lost Communication with Drive Motor Control Module "A" from Hybrid/EV Control Module Missing Message [11/2023 - ] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2025 Toyota Highlander and 2024 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Related DTCs P3123 (INF P3123-87): Lost Communication With Drive Motor "A" Control Module Verify communication
Required sensors / components Main: Hybrid vehicle control ECU
Sub: Inverter with converter assembly
Frequency of operation Continuous
Duration TMC's intellectual property
MIL operation Immediately
Sequence of operation None
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