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Home >> Lexus >> 2019 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Circuit Tests (1 Of 9) & Diagnostic Codes >> Can Communication System >> DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U115C-87: Lost Communication with ECM/PCM "A" (ch5) Missing Message; DTC U1171-87: Lost Communication with Brake System Control Module (ch3) Missing Message [10/2023 - ] >> Description
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DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U115C-87: Lost Communication with ECM/PCM "A" (ch5) Missing Message; DTC U1171-87: Lost Communication with Brake System Control Module (ch3) Missing Message [10/2023 - ]: Description

DTC No. Detection Item DTC Detection Condition DTC Output from Note
U0134-87 Lost Communication with Power Steering Control Module Rear Missing Message Communication stop occurs between the resr steering control ECU and ECU or sensor outputs DTC(s) EMPS
Brake
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U115C-87 Lost Communication with ECM/PCM "A" (ch5) Missing Message Communication stop occurs between the ECM and ECU or sensor outputs DTC(s) Brake -
U1171-87 Lost Communication with Brake System Control Module (ch3) Missing Message Communication stop occurs between the brake actuator assembly (slid control ECU) and ECU or sensor outputs DTC(s) Adaptive Variable Suspension System
DRS
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