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Telematics System

WARNING: This page is about a different car, the 2022 Toyota Avalon, 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
TELEMATICS SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Code Description
U0140-87 Lost Communication with Body Control Module Missing Message
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message
U0163-87 Lost Communication with Navigation Control Module Missing Message
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