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Home >> Lexus >> 2019 >> UX 250h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> (Audio / Video System) - Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2) >> (Audio And Visual System) >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U012987: Lost Communication With Brake System Control Module Missing Message; DTC U013287: Lost Communication with Suspension Control Module "A" Missing Message; DTC U014087: Lost Communication with Body Control Module Missing Message; DTC U015587: Lost Communication with Instrument Panel Cluster (IPC) 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 U019887: Lost Communication with Telematic Control Module "A" Missing Message; DTC U020887: Lost Communication with "Seat Control Module A" Missing Message; DTC U026587: Lost Communication with Image Processing Sensor A Missing Message; DTC U029387: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U100049: CAN Register Fixing Internal Electronic Failure; DTC U111087: Lost Communication with Intuitive Parking Assist Module Missing Message [07/2022 - ] >> Description
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DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U012987: Lost Communication With Brake System Control Module Missing Message; DTC U013287: Lost Communication with Suspension Control Module "A" Missing Message; DTC U014087: Lost Communication with Body Control Module Missing Message; DTC U015587: Lost Communication with Instrument Panel Cluster (IPC) 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 U019887: Lost Communication with Telematic Control Module "A" Missing Message; DTC U020887: Lost Communication with "Seat Control Module A" Missing Message; DTC U026587: Lost Communication with Image Processing Sensor A Missing Message; DTC U029387: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U100049: CAN Register Fixing Internal Electronic Failure; DTC U111087: Lost Communication with Intuitive Parking Assist Module Missing Message [07/2022 - ]: Description

These DTCs are stored when the radio receiver assembly detects a malfunction in the CAN communication circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area
U010087 Lost Communication With ECM/PCM "A" Missing Message Communication malfunction between radio receiver assembly and Engine/EV ECU for 12 seconds or more
(2 trip detection logic)		 CAN communication system
U012987 Lost Communication With Brake System Control Module Missing Message Communication malfunction between radio receiver assembly and skid control ECU assembly for 11 seconds or more
(2 trip detection logic)		 CAN communication system
U013287 Lost Communication with Suspension Control Module "A" Missing Message Vehicle speed is 20 km/h (xx mph) or more and communication malfunction between radio receiver assembly and absorber control ECU for 10 seconds or more
(2 trip detection logic)		 CAN communication system
U014087 Lost Communication with Body Control Module Missing Message Communication malfunction between radio receiver assembly and main body ECU (multiplex network body ECU) for 11 seconds or more
(2 trip detection logic)		 CAN communication system
U015587 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message Communication malfunction between radio receiver assembly and combination meter assembly for 31 seconds or more
(2 trip detection logic)		 CAN communication system
U016487 Lost Communication with HVAC Control Module Missing Message Communication malfunction between radio receiver assembly and air conditioning amplifier assembly for 10 seconds or more
(2 trip detection logic)		 CAN communication system
U016887 Lost Communication with Vehicle Security Control Module Missing Message Communication malfunction between radio receiver assembly and certification ECU (smart key ECU assembly) for 11 seconds or more
(2 trip detection logic)		 CAN communication system
U019887 Lost Communication with Telematic Control Module "A" Missing Message Communication malfunction between radio receiver assembly and telematics transceiver for 3 seconds or more
(2 trip detection logic)		 CAN communication system
U020887 Lost Communication with "Seat Control Module A" Missing Message Communication malfunction between radio receiver assembly and position control ECU assembly for 15 seconds or more
(2 trip detection logic)		 CAN communication system
U026587 Lost Communication with Image Processing Sensor A Missing Message Communication malfunction between radio receiver assembly and rear television camera assembly for 12 seconds or more
(2 trip detection logic)		 CAN communication system
U029387 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message Communication malfunction between radio receiver assembly and hybrid vehicle control ECU for 11 seconds or more
(2 trip detection logic)		 CAN communication system
U100049 CAN Register Fixing Internal Electronic Failure
  • A CAN bus connection malfunction is detected
  • CAN bus off is detected
  • CAN bus connection error
(2 trip detection logic)
  • CAN communication system
  • Radio receiver assembly
U111087 Lost Communication with Intuitive Parking Assist Module Missing Message Communication malfunction between radio receiver assembly and Clearance warning ECU assembly for 11 seconds or more
(2 trip detection logic)		 CAN communication system
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