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Home >> Lexus >> 2018 >> LS 500h AWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Exterior Body Panels >> Power Trunk Lid System - Diagnostic Codes & Symptom Tests >> Power Trunk Lid System >> DTC U0101: Lost Communication with TCM; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0142: Lost Communication With Body Control Module "B"; DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0327: Lost Communication with Vehicle Security Control Module; DTC U1117: Lost Communication with Accessory Gateway [10/2017 - 10/2023] >> Description
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DTC U0101: Lost Communication with TCM; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0142: Lost Communication With Body Control Module "B"; DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0327: Lost Communication with Vehicle Security Control Module; DTC U1117: Lost Communication with Accessory Gateway [10/2017 - 10/2023]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area Memory DTC Output from
U0101 Lost Communication with TCM Communication malfunction detected between luggage closer motor assembly and hybrid vehicle control ECU assembly
  • CAN communication system
  • Hybrid vehicle control ECU assembly
  • Luggage closer motor assembly
 ◦ Back Door
U0122 Lost Communication with Vehicle Dynamics Control Module Communication malfunction detected between luggage closer motor assembly and skid control ECU assembly
  • CAN communication system
  • Skid control ECU assembly
  • Luggage closer motor assembly
 ◦ Back Door
U0142 Lost Communication With Body Control Module "B" Communication malfunction detected between luggage closer motor assembly and main body ECU (multiplex network body ECU)
  • CAN communication system
  • Main body ECU (multiplex network body ECU)
  • Luggage closer motor assembly
 ◦ Back Door
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module Communication malfunction detected between luggage closer motor assembly and combination meter assembly
  • CAN communication system
  • Combination meter assembly
  • Luggage closer motor assembly
 ◦ Back Door
U0327 Lost Communication with Vehicle Security Control Module Communication malfunction detected between luggage closer motor assembly and certification ECU (smart key ECU assembly)
  • CAN communication system
  • Certification ECU assembly (smart key ECU assembly)
  • Luggage closer motor assembly
 ◦ Back Door
U1117 Lost Communication with Accessory Gateway Communication malfunction detected between luggage closer motor assembly and bus buffer ECU
  • CAN communication system
  • Bus buffer ECU
  • Luggage closer motor assembly
 ◦ Back Door
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