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Home >> Lexus >> 2021 >> NX 300 Base, AWD >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System - Diagnostic Codes & Circuit Tests >> Air Conditioning System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163: Lost Communication with Navigation Control Module [10/2014 - ] >> Description
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DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163: Lost Communication with Navigation Control Module [10/2014 - ]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
U0100 Lost Communication with ECM / PCM "A" No communication with ECM
  • CAN communication system
  • ECM
 - -
U0131 Lost Communication with Power Steering Control Module No communication with power steering ECU assembly
  • CAN communication system
  • Power steering ECU assembly
 - -
U0142 Lost Communication with Body Control Module "B" No communication with main body ECU
  • CAN communication system
  • Main body ECU (multiplex network body ECU)
 - -
U0151 Lost Communication with Restraints Control Module No communication with airbag ECU assembly
  • CAN communication system
  • Airbag ECU assembly
 - -
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module No communication with combination meter
  • CAN communication system
  • Combination meter assembly
 - -
U0163 Lost Communication with Navigation Control Module No communication with radio receiver assembly
  • CAN communication system
  • Radio receiver assembly
 - -
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