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Home >> Lexus >> 2020 >> UX 250h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Gauges & Instrument Panels >> (Meter / Gauge / Display) (Diagnostic Codes & Circuit Tests) >> (Meter / Gauge System) >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U011487: Lost Communication with Four-Wheel Drive Clutch Control Module Missing Message; DTC U012787: Lost Communication with Tire Pressure Monitor Module Missing Message; DTC U012987: Lost Communication with Brake System Control Module Missing Message; DTC U013187: Lost Communication with Power Steering Control Module Missing Message; DTC U014087: Lost Communication with Body Control Module Missing Message; DTC U015187: Lost Communication with Restraints Control Module Missing Message; DTC U016387: Lost Communication with Navigation Control Module Missing Message; DTC U016487: Lost Communication with HVAC Control Module Missing Message; DTC U016887: Lost Communication with Vehicle Security Control Module Missing Message; DTC U018287: Lost Communication with Lighting Control Module Front Missing Message; DTC U023087: Lost Communication with Rear Gate Module Missing Message; DTC U023387: Lost Communication with Side Obstacle Detection Control Module "B" Missing Message; DTC U023A87: Lost Communication with Image Processing Module "A" Missing Message; DTC U029387: Lost Communication With Hybrid Powertrain Control Module Missing Message; DTC U110687: Lost Communication with Electric Parking Brake Module Missing Message; DTC U111087: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U111287: Lost Communication with Combination Switch Module Missing Message; DTC U111787: Lost Communication with Accessory Gateway Missing Message; DTC U113387: Lost Communication with PMN Module Missing Message [10/2018 - 07/2022] >> Description
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DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U011487: Lost Communication with Four-Wheel Drive Clutch Control Module Missing Message; DTC U012787: Lost Communication with Tire Pressure Monitor Module Missing Message; DTC U012987: Lost Communication with Brake System Control Module Missing Message; DTC U013187: Lost Communication with Power Steering Control Module Missing Message; DTC U014087: Lost Communication with Body Control Module Missing Message; DTC U015187: Lost Communication with Restraints Control Module Missing Message; DTC U016387: Lost Communication with Navigation Control Module Missing Message; DTC U016487: Lost Communication with HVAC Control Module Missing Message; DTC U016887: Lost Communication with Vehicle Security Control Module Missing Message; DTC U018287: Lost Communication with Lighting Control Module Front Missing Message; DTC U023087: Lost Communication with Rear Gate Module Missing Message; DTC U023387: Lost Communication with Side Obstacle Detection Control Module "B" Missing Message; DTC U023A87: Lost Communication with Image Processing Module "A" Missing Message; DTC U029387: Lost Communication With Hybrid Powertrain Control Module Missing Message; DTC U110687: Lost Communication with Electric Parking Brake Module Missing Message; DTC U111087: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U111287: Lost Communication with Combination Switch Module Missing Message; DTC U111787: Lost Communication with Accessory Gateway Missing Message; DTC U113387: Lost Communication with PMN Module Missing Message [10/2018 - 07/2022]: Description

The combination meter assembly communicates with each ECU via CAN communication.

DTC No. Detection Item DTC Detection Condition Trouble Area
U010087 Lost Communication With ECM/PCM "A" Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with ECM

Malfunction Time:
  1. 3.6 seconds or more
  • ECM
  • CAN communication system
  • Combination meter assembly
U011487 Lost Communication with Four-Wheel Drive Clutch Control Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • G power source voltage is 9.5

Malfunction Status:
  1. No communication with hybrid vehicle control ECU

Malfunction Time:
  1. 5.0 seconds or more
  • Hybrid vehicle control ECU
  • CAN communication system
  • Combination meter assembly
U012787 Lost Communication with Tire Pressure Monitor Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with electrical key and tire pressure monitoring system receiver assembly

Malfunction Time:
  1. 5.0 seconds or more
  • Electrical key and tire pressure monitoring system receiver assembly
  • CAN communication system
  • Combination meter assembly
U012987 Lost Communication with Brake System Control Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  • No communication with skid control ECU (brake booster with master cylinder assembly)*1
  • No communication with skid control ECU (brake actuator assembly)*2

Malfunction Time:
  1. 1.0 seconds or more
  • Skid control ECU (brake booster with master cylinder assembly)*1
  • Skid control ECU (brake actuator assembly)*2
  • CAN communication system
  • Combination meter assembly
U013187 Lost Communication with Power Steering Control Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with power steering ECU with motor assembly

Malfunction Time:
  1. 3.6 seconds or more
  • Power steering ECU with motor assembly
  • CAN communication system
  • Combination meter assembly
U014087 Lost Communication with Body Control Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with main body ECU (multiplex network body ECU)

Malfunction Time:
  1. 5.0 seconds or more
  • Main body ECU (Multiplex network body ECU)
  • CAN communication system
  • Combination meter assembly
U015187 Lost Communication with Restraints Control Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with airbag ECU assembly

Malfunction Time:
  1. 5.0 seconds or more
  • Airbag ECU assembly
  • CAN communication system
  • Combination meter assembly
U016387 Lost Communication with Navigation Control Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with radio receiver assembly

Malfunction Time:
  1. 5.0 seconds or more
  • Radio receiver assembly
  • CAN communication system
  • Combination meter assembly
U016487 Lost Communication with HVAC Control Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with air conditioning amplifier assembly

Malfunction Time:
  1. 5.0 seconds or more
  • Air conditioning amplifier assembly
  • CAN communication system
  • Combination meter assembly
U016887 Lost Communication with Vehicle Security Control Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with certification ECU (smart key ECU assembly)

Malfunction Time:
  1. 5.0 seconds or more
  • Certification ECU (Smart key ECU assembly)
  • CAN communication system
  • Combination meter assembly
U018287 Lost Communication with Lighting Control Module Front Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with No. 1 headlight ECU sub-assembly LH

Malfunction Time:
  1. 5.0 seconds or more
  • No. 1 Headlight ECU sub-assembly LH
  • CAN communication system
  • Combination meter assembly
U023087 Lost Communication with Rear Gate Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with multiplex network door ECU

Malfunction Time:
  1. 5.0 seconds or more
  • Multiplex network door ECU
  • CAN communication system
  • Combination meter assembly
U023387 Lost Communication with Side Obstacle Detection Control Module "B" Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with blind spot monitor sensor RH (A)

Malfunction Time:
  1. 5.0 seconds or more
  • Blind spot monitor sensor RH (A)
  • CAN communication system
  • Combination meter assembly
U023A87 Lost Communication with Image Processing Module "A" Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with forward recognition camera

Malfunction Time:
  1. 5.0 seconds or more
  • Forward recognition camera
  • CAN communication system
  • Combination meter assembly
U029387 Lost Communication With Hybrid Powertrain Control Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with hybrid vehicle control ECU

Malfunction Time:
  1. 3.6 seconds or more
  • Hybrid vehicle control ECU
  • CAN communication system
  • Combination meter assembly
U110687 Lost Communication with Electric Parking Brake Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  • No communication with parking brake ECU (brake actuator assembly)*1
  • No communication with skid control ECU (brake actuator assembly)*2

Malfunction Time:
  1. 3.6 seconds or more
  • Parking brake ECU (Brake actuator assembly)*1
  • Skid control ECU (Brake actuator assembly)*2
  • CAN communication system
  • Combination meter assembly
U111087 Lost Communication with Intuitive Parking Assist Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with clearance warning ECU assembly

Malfunction Time:
  1. 5.0 seconds or more
  • Clearance warning ECU assembly
  • CAN communication system
  • Combination meter assembly
U111287 Lost Communication with Combination Switch Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with steering sensor

Malfunction Time:
  1. 10.0 seconds or more
  • Steering sensor
  • CAN communication system
  • Combination meter assembly
U111787 Lost Communication with Accessory Gateway Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with option connector (bus buffer ECU)

Malfunction Time:
  1. 5.0 seconds or more
  • Option connector (Bus buffer ECU)
  • CAN communication system
  • Combination meter assembly
U113387 Lost Communication with PMN Module Missing Message Diagnosis Condition:
  • The ignition switch is ON
  • IG power source voltage is 9.5 V or more

Malfunction Status:
  1. No communication with certification ECU (smart key ECU assembly)

Malfunction Time:
  1. 3.6 seconds or more
  • Certification ECU (Smart key ECU assembly)
  • CAN communication system
  • Combination meter assembly
  1. *1: for HV Model
  2. *2: for Gasoline Model
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