Toyota Corolla Cross: Lost Communication With ECM/PCM "A" Missing Message (U010087,...,U111787)

Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (w/ Afs) / Lost Communication With ECM/PCM "A" Missing Message (U010087,...,U111787)

DESCRIPTION

These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U010087	Lost Communication With ECM/PCM "A" Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the ECM for approximately 10 seconds or more.	CAN communication system
U010187	Lost Communication with TCM Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the TCM for approximately 10 seconds or more.	CAN communication system
U011187	Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the hybrid vehicle control ECU for approximately 10 seconds or more.	CAN communication system
U012687	Lost Communication with Steering Angle Sensor Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the steering sensor for approximately 10 seconds or more.	CAN communication system
U012987	Lost Communication with Brake System Control Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the skid control ECU (brake actuator assembly) for approximately 10 seconds or more.	CAN communication system
U015187	Lost Communication with Restraints Control Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the airbag sensor assembly for approximately 10 seconds or more.	CAN communication system
U015587	Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the combination meter assembly for approximately 10 seconds or more.	CAN communication system
U016387	Lost Communication with Navigation Control Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the radio receiver assembly for approximately 10 seconds or more.	CAN communication system
U016487	Lost Communication with HVAC Control Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the air conditioning amplifier assembly for approximately 10 seconds or more.	CAN communication system
U016887	Lost Communication with Vehicle Security Control Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for approximately 10 seconds or more.	CAN communication system
U023087	Lost Communication with Rear Gate Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the multiplex network door ECU for approximately 10 seconds or more.	CAN communication system
U023A87	Lost Communication with Image Processing Module "A" Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 seconds or more.	CAN communication system
U024187	Lost Communication with Headlamp Control Module "A" Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the headlight ECU sub-assembly LH for approximately 10 seconds or more.	CAN communication system
U029387	Lost Communication with Hybrid/EV Powertrain Control Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the hybrid vehicle control ECU for approximately 10 seconds or more.	CAN communication system
U110487	Lost Communication with Driving Support ECU Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 seconds or more.	CAN communication system
U110687	Lost Communication with Electric Parking Brake Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the skid control ECU (brake actuator assembly) for approximately 10 seconds or more.	CAN communication system
U110787	Lost Communication with Power Management Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for approximately 10 seconds or more.	CAN communication system
U111087	Lost Communication with Clearance Sonar Module Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the clearance warning ECU for approximately 10 seconds or more	CAN communication system
U111787	Lost Communication with Accessory Gateway Missing Message	The main body ECU (multiplex network body ECU) does not receive data from the option connector (bus buffer ECU) for approximately 10 seconds or more.	CAN communication system

PROCEDURE

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Main Body > Clear DTCs

2.	CHECK FOR DTC

(a) Turn the ignition switch to ON.

(b) Wait 20 seconds or more.

Body Electrical > Main Body > Trouble Codes

Result	Proceed to
DTCs are not output	A
U010087, U010187, U011187, U012687, U012987, U015187, U015587, U016387, U016487, U016887, U023087, U023A87, U024187, U029387, U110487, U110687, U110787, U111087 or U111787 is output	B

USE SIMULATION METHOD TO CHECK

GO TO CAN COMMUNICATION SYSTEM

for HEV Model: Click here

for Gasoline Model: Click here

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Toyota Corolla Cross: Lost Communication With ECM/PCM "A" Missing Message (U010087,...,U111787)

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