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Home >> Toyota >> 2025 >> Land Cruiser Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Mirrors >> Power Mirror Control System - Diagnostic Codes & Symptom Tests >> Power Mirror Control System >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U114F-87: Lost Communication with Power Integration Module Missing Message [02/2024 - ] >> Description
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DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U114F-87: Lost Communication with Power Integration Module Missing Message [02/2024 - ]: Description

The outer mirror control ECU assembly RH/LH receives signals from each ECU via CAN communication.

OUTER MIRROR CONTROL ECU ASSEMBLY RH

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
U0100-87 Lost Communication With ECM/PCM "A" Missing Message When the ignition switch is ON and the power source voltage of the outer mirror control ECU assembly RH is 9.5 V or more, a communication malfunction with the ECM continues for 10 seconds or more CAN communication system Mirror R B
U0140-87 Lost Communication with Body Control Module Missing Message When the ignition switch is ON and the power source voltage of the outer mirror control ECU assembly RH is 9.5 V or more, a communication malfunction with the main body ECU (multiplex network body ECU) continues for 10 seconds or more CAN communication system Mirror R B
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message When the ignition switch is ON and the power source voltage of the outer mirror control ECU assembly RH is 9.5 V or more, a communication malfunction with the combination meter assembly continues for 10 seconds or more CAN communication system Mirror R B
U0164-87 Lost Communication with HVAC Control Module Missing Message When the ignition switch is ON and the power source voltage of the outer mirror control ECU assembly RH is 9.5 V or more, a communication malfunction with the air conditioner amplifier assembly continues for 10 seconds or more CAN communication system Mirror R B
U114F-87 Lost Communication with Power Integration Module Missing Message When the ignition switch is ON and the power source voltage of the outer mirror control ECU assembly RH is 9.5 V or more, a communication malfunction with the power distribution box assembly continues for 10 seconds or more CAN communication system Mirror R B
OUTER MIRROR CONTROL ECU ASSEMBLY LH

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
U0100-87 Lost Communication With ECM/PCM "A" Missing Message When the ignition switch is ON and the power source voltage of the outer mirror control ECU assembly LH is 9.5 V or more, a communication malfunction with the ECM continues for 10 seconds or more CAN communication system Mirror L B
U0140-87 Lost Communication with Body Control Module Missing Message When the ignition switch is ON and the power source voltage of the outer mirror control ECU assembly LH is 9.5 V or more, a communication malfunction with the main body ECU (multiplex network body ECU) continues for 10 seconds or more CAN communication system Mirror L B
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message When the ignition switch is ON and the power source voltage of the outer mirror control ECU assembly LH is 9.5 V or more, a communication malfunction with the combination meter assembly continues for 10 seconds or more CAN communication system Mirror L B
U0164-87 Lost Communication with HVAC Control Module Missing Message When the ignition switch is ON and the power source voltage of the outer mirror control ECU assembly LH is 9.5 V or more, a communication malfunction with the air conditioner amplifier assembly continues for 10 seconds or more CAN communication system Mirror L B
U114F-87 Lost Communication with Power Integration Module Missing Message When the ignition switch is ON and the power source voltage of the outer mirror control ECU assembly LH is 9.5 V or more, a communication malfunction with the power distribution box assembly continues for 10 seconds or more CAN communication system Mirror L B