Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U016487,U016887,U019887,U026587,U029387,U100049,U111087)

Toyota Corolla Cross (2022-2024) Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System / Lost Communication With ECM/PCM "A" Missing Message (U010087,U012987,U014087,U015587,U016487,U016887,U019887,U026587,U029387,U100049,U111087)

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

DTC Output from

Priority

U010087

Lost Communication With ECM/PCM "A" Missing Message

Communication malfunction between radio and display receiver assembly and engine/HV ECU for 12 seconds or more

(2 trip detection logic)

CAN communication system

Navigation System

B

U012987

Lost Communication With Brake System Control Module Missing Message

Communication malfunction between radio and display receiver assembly and brake actuator assembly (skid control ECU) for 11 seconds or more

(2 trip detection logic)

CAN communication system

Navigation System

B

U014087

Lost Communication with Body Control Module Missing Message

Communication malfunction between radio and display receiver assembly and main body ECU (multiplex network body ECU) for 11 seconds or more

(2 trip detection logic)

CAN communication system

Navigation System

B

U015587

Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message

Communication malfunction between radio and display receiver assembly and combination meter assembly for 31 seconds or more

(2 trip detection logic)

CAN communication system

Navigation System

B

U016487

Lost Communication with HVAC Control Module Missing Message

Communication malfunction between radio and display receiver assembly and air conditioning amplifier assembly for 10 seconds or more

(2 trip detection logic)

CAN communication system

Navigation System

B

U016887

Lost Communication with Vehicle Security Control Module Missing Message

Communication malfunction between radio and display receiver assembly and certification ECU (smart key ECU assembly) for 11 seconds or more

(2 trip detection logic)

CAN communication system

Navigation System

B

U019887

Lost Communication with Telematic Control Module "A" Missing Message

Communication malfunction between radio and display receiver assembly and telematics transceiver for 3 seconds or more

(2 trip detection logic)

CAN communication system

Navigation System

B

U026587

Lost Communication with Image Processing Sensor A Missing Message

Communication malfunction between radio and display receiver assembly and rear television camera assembly for 12 seconds or more

(2 trip detection logic)

CAN communication system

Navigation System

B

U029387

Lost Communication with Hybrid/EV Powertrain Control Module Missing Message

Communication malfunction between radio and display receiver assembly and hybrid vehicle control ECU for 11 seconds or more

(2 trip detection logic)

CAN communication system

Navigation System

B

U100049

CAN Register Fixing Internal Electronic Failure

CAN bus connection error

(2 trip detection logic)

CAN communication system

Navigation System

B

U111087

Lost Communication with Intuitive Parking Assist Module Missing Message

Communication malfunction between radio and display receiver assembly and clearance warning ECU assembly for 11 seconds or more

(2 trip detection logic)

CAN communication system

Navigation System

B

CAUTION / NOTICE / HINT

NOTICE:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.

Click here

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs
NEXT

2.

CHECK FOR DTC

(a) Turn the ignition switch off.

(b) Turn the ignition switch to ON and wait for 45 seconds or more.

(c) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTC U010087, U012987, U014087, U015587, U016487, U016887, U019887, U026587, U029387, U100049 or U111087 is output

B

U100049 is output

C

A

GO TO HOW TO PROCEED WITH TROUBLESHOOTING

B

GO TO CAN COMMUNICATION SYSTEM

for HEV Model: Click here

for Gasoline Model: Click here

C

REPLACE RADIO AND DISPLAY RECEIVER

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