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Home >> Lexus >> 2021 >> LS 500 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> CXPI Communication System - Diagnostic Codes >> CXPI Communication System >> DTC B2352: Lost Communication with Power Integration No. 1 ECU; DTC B2353: Lost Communication with Power Integration No. 2 ECU; DTC B2354: Lost Communication with Power Integration No. 3 ECU [12/2017 - 10/2020] >> Description

DTC B2352: Lost Communication with Power Integration No. 1 ECU; DTC B2353: Lost Communication with Power Integration No. 2 ECU; DTC B2354: Lost Communication with Power Integration No. 3 ECU [12/2017 - 10/2020]: Description

This DTC is stored when CXPI communication between the semiconductor power integration ECU and main body ECU (multiplex network body ECU) stops for 10 seconds or more.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2352 Lost Communication with Power Integration No. 1 ECU No communication between No. 1 semiconductor power integration ECU and main body ECU (multiplex network body ECU) for 10 seconds or more
  • Main body ECU (multiplex network body ECU)
  • No. 1 semiconductor power integration ECU
  • Harness or connector
B2353 Lost Communication with Power Integration No. 2 ECU No communication between semiconductor power integration ECU and main body ECU (multiplex network body ECU) for 10 seconds or more
  • Main body ECU (multiplex network body ECU)
  • Semiconductor power integration ECU
  • Harness or connector
B2354 Lost Communication with Power Integration No. 3 ECU No communication between No. 3 semiconductor power integration ECU and main body ECU (multiplex network body ECU) for 10 seconds or more
  • Main body ECU (multiplex network body ECU)
  • No. 3 semiconductor power integration ECU
  • Harness or connector