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Home >> Lexus >> 2016 >> LX 570 >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Meter / Gauge / Display - Diagnostic Codes & Symptom Tests >> Meter / Gauge System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with VGRS; DTC U0142: Lost Communication with Body Control Module "B"; 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 U1104: Lost Communication with Driving Support ECU [09/2015 - ] >> Description
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DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with VGRS; DTC U0142: Lost Communication with Body Control Module "B"; 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 U1104: Lost Communication with Driving Support ECU [09/2015 - ]: Description

DTC Code DTC Detection Condition Trouble Area
U0100 Both conditions are met:
  • The voltage at the IG power supply terminal of the combination meter assembly is 10.5 V or higher.
  • No communication with the ECM continues for 2 seconds or more.
  • ECM
  • CAN communication system
  • Combination meter assembly
U0129 Both conditions are met:
  • The voltage at the IG power supply terminal of the combination meter assembly is 10.5 V or higher.
  • No communication with the master cylinder solenoid (skid control ECU) continues for 3 seconds or more.
  • Master cylinder solenoid (skid control ECU)
  • CAN communication system
  • Combination meter assembly
U0131 Both conditions are met:
  • The voltage at the IG power supply terminal of the combination meter assembly is 10.5 V or higher.
  • No communication with the power steering ECU assembly continues for 3 seconds or more.
  • Power steering ECU assembly
  • CAN communication system
  • Combination meter assembly
U0142 Both conditions are met:
  • The voltage at the IG power supply terminal of the combination meter assembly is 10.5 V or higher.
  • No communication with the main body ECU (instrument panel junction block assembly) continues for 10 seconds or more.
  • Main body ECU (instrument panel junction block assembly)
  • CAN communication system
  • Combination meter assembly
U0151 Both conditions are met:
  • The voltage at the IG power supply terminal of the combination meter assembly is 10.5 V or higher.
  • No communication with the airbag sensor assembly continues for 10 seconds or more.
  • Airbag sensor assembly
  • CAN communication system
  • Combination meter assembly
U0163 Both conditions are met:
  • The voltage at the IG power supply terminal of the combination meter assembly is 10.5 V or higher.
  • No communication with the multi-media module receiver assembly continues for 3 seconds or more.
  • Multi-media module receiver assembly
  • CAN communication system
  • Combination meter assembly
U0182 Both conditions are met:
  • The voltage at the IG power supply terminal of the combination meter assembly is 10.5 V or higher.
  • No communication with the headlight light control ECU sub-assembly LH continues for 10 seconds or more.
  • Headlight light control ECU sub-assembly LH
  • CAN communication system
  • Combination meter assembly
U023A Both conditions are met:
  • The voltage at the IG power supply terminal of the combination meter assembly is 10.5 V or higher.
  • No communication with the forward recognition camera continues for 10 seconds or more.
  • Forward recognition camera
  • CAN communication system
  • Combination meter assembly
U1104 Both conditions are met:
  • The voltage at the IG power supply terminal of the combination meter assembly is 10.5 V or higher.
  • No communication with the driving support ECU assembly continues for 10 seconds or more.
  • Driving support ECU assembly
  • CAN communication system
  • Combination meter assembly
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