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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Hybrid Battery System - Diagnostic Codes (5 Of 5) & Symptom Tests) >> HYBRID BATTERY SYSTEM (for PHEV Model) >> DTC U0164-87: Lost Communication with HVAC Control Module Missing Message [12/2023 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

If the battery ECU assembly detects a problem with CAN communication with the HVAC control module, it will illuminate the MIL and store a DTC.

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