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Home >> Lexus >> 2018 >> LC 500h >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes, Symptom & Circuit Tests >> Meter / Gauge System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with Steering Effort Control; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0140: Lost Communication with Body Control Module; DTC U0151: Lost Communication with Restraints Control Module; DTC U0163: Lost Communication with Navigation Control Module; DTC U0182: Lost Communication with Lighting Control Module Front; DTC U023A: Lost Communication with Front Camera Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [05/2023 - ] >> Description
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DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with Steering Effort Control; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U0140: Lost Communication with Body Control Module; DTC U0151: Lost Communication with Restraints Control Module; DTC U0163: Lost Communication with Navigation Control Module; DTC U0182: Lost Communication with Lighting Control Module Front; DTC U023A: Lost Communication with Front Camera Module; DTC U0293: Lost Communication with Hybrid Vehicle Control System [05/2023 - ]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
U0100 Lost Communication with ECM / PCM "A" When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with ECM or hybrid vehicle control ECU assembly continues for 2 seconds or more
  • ECM
  • CAN communication system
  • Combination meter assembly
  • Hybrid vehicle control ECU assembly
DTC stored -
U0103 Lost Communication with Gear Shift Module "A" When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with shift control ECU continues for 5 seconds or more
  • CAN communication system
  • Combination meter assembly
  • Shift control ECU
DTC stored -
U0129 Lost Communication with Brake System Control Module When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with skid control ECU assembly continues for 3 seconds or more
  • Skid control ECU assembly
  • CAN communication system
  • Combination meter assembly
DTC stored -
U0130 Lost Communication with Steering Effort Control When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with front steering control ECU continues for 3 seconds or more
  • Front steering control ECU
  • CAN communication system
  • Combination meter assembly
DTC stored -
U0131 Lost Communication with Electric Power Steering ECU When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with power steering ECU (rack and pinion power steering gear assembly) continues for 3 seconds or more
  • Power steering ECU (rack and pinion power steering gear assembly)
  • CAN communication system
  • Combination meter assembly
DTC stored -
U0140 Lost Communication with Body Control Module When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with main body ECU (multiplex network body ECU) continues for 3 seconds or more
  • Main body ECU (multiplex network body ECU)
  • CAN communication system
  • Combination meter assembly
DTC stored -
U0151 Lost Communication with Restraints Control Module When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with airbag ECU assembly continues for 10 seconds or more
  • Airbag ECU assembly
  • CAN communication system
  • Combination meter assembly
DTC stored -
U0163 Lost Communication with Navigation Control Module When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with radio and display receiver assembly continues for 3 seconds or more
  • Radio and display receiver assembly
  • CAN communication system
  • Combination meter assembly
DTC stored -
U0182 Lost Communication with Lighting Control Module Front When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with No. 1 headlight ECU sub-assembly LH continues for 10 seconds or more
  • No. 1 Headlight ECU sub-assembly LH
  • CAN communication system
  • Combination meter assembly
DTC stored -
U023A Lost Communication with Front Camera Module When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with forward recognition camera continues for 10 seconds or more
  • Forward recognition camera
  • CAN communication system
  • Combination meter assembly
DTC stored -
U0293 Lost Communication with Hybrid Vehicle Control System When IG voltage is 9.5 V or more and the following condition is detected:
  • No communication with hybrid vehicle control ECU assembly continues for 10 seconds or more
  • Hybrid vehicle control ECU assembly
  • CAN communication system
  • Combination meter assembly
DTC stored -