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Home >> Lexus >> 2023 >> LX 600 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Circuit Tests (1 Of 4) & Diagnostic Codes >> Can Communication System >> DTC U0122: CAN Communication Error (VSC); DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U1159-87: Lost Communication with Electronic Brake Booster Control Module "A" (ch3) Missing Message; DTC U115C-00: Lost Communication with ECM/PCM "A" (ch5); DTC U115C-87: Lost Communication with ECM/PCM "A" (ch5) Missing Message; DTC U1170-87: Lost Communication With Brake System Control Module (ch2) Missing Message; DTC U117D-87: Lost Communication with Brake System Control Module (ch4) Missing Message [12/2021 - ] >> Description
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DTC U0122: CAN Communication Error (VSC); DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U1159-87: Lost Communication with Electronic Brake Booster Control Module "A" (ch3) Missing Message; DTC U115C-00: Lost Communication with ECM/PCM "A" (ch5); DTC U115C-87: Lost Communication with ECM/PCM "A" (ch5) Missing Message; DTC U1170-87: Lost Communication With Brake System Control Module (ch2) Missing Message; DTC U117D-87: Lost Communication with Brake System Control Module (ch4) Missing Message [12/2021 - ]: Description

DTC No. Detection Item DTC Detection Condition DTC Output from Priority
U0122 CAN Communication Error (VSC) The DTC output ECU does not receive data from the brake actuator assembly (No. 2 skid control ECU). Adaptive Variable Suspension System A
U0129-87 Lost Communication With Brake System Control Module Missing Message The DTC output ECU does not receive data from the brake actuator assembly (No. 2 skid control ECU). Engine A
U1159-87 Lost Communication with Electronic Brake Booster Control Module "A" (ch3) Missing Message The DTC output ECU does not receive data from the brake booster with master cylinder assembly (No. 1 skid control ECU). Brake/EPB A
U115C-00 Lost Communication with ECM/PCM "A" (ch5) The DTC output ECU does not receive data from the ECM. Brake Booster A
U115C-87 Lost Communication with ECM/PCM "A" (ch5) Missing Message The DTC output ECU does not receive data from the ECM. Brake/EPB A
U1170-87 Lost Communication With Brake System Control Module (ch2) Missing Message The DTC output ECU does not receive data from the brake actuator assembly (No. 2 skid control ECU). Stop and Start A
U117D-87 Lost Communication with Brake System Control Module (ch4) Missing Message The DTC output ECU does not receive data from the brake actuator assembly (No. 2 skid control ECU). Brake Booster A