Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Lost Communication with ECM/PCM "A" Missing Message (U010087,U010187,U012987,U014087,U015587,U016387,U016887,U111787,U114F87)

Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Exterior / Door / Hatch / Power Back Door System / Lost Communication with ECM/PCM "A" Missing Message (U010087,U010187,U012987,U014087,U015587,U016387,U016887,U111787,U114F87)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the CAN communication circuit.

DTC No.

Detection Item

Trouble Area

U010087

Lost Communication with ECM/PCM "A" Missing Message
  • CAN communication system
  • ECM
  • Multiplex network door ECU

U010187

Lost Communication with TCM Missing Message
  • CAN communication system
  • TCM
  • Multiplex network door ECU

U012987

Lost Communication with Brake System Control Module "A" Missing Message
  • CAN communication system
  • Slid control ECU (brake actuator assembly)
  • Multiplex network door ECU

U014087

Lost Communication with Body Control Module Missing Message
  • CAN communication system
  • Main body ECU (multiplex network body ECU)
  • Multiplex network door ECU

U015587

Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message
  • CAN communication system
  • Combination meter assembly
  • Multiplex network door ECU

U016387

Lost Communication with Navigation Control Module Missing Message
  • CAN communication system
  • Radio and display receiver assembly
  • Multiplex network door ECU

U016887

Lost Communication with Vehicle Security Control Module Missing Message
  • CAN communication system
  • Certification ECU (smart key ECU assembly)
  • Multiplex network door ECU

U111787

Lost Communication with Accessory Gateway Missing Message
  • CAN communication system
  • Bus buffer ECU
  • Multiplex network door ECU

U114F87

Lost Communication with Power Integration Module Missing Message
  • CAN communication system
  • Main body ECU (multiplex network body ECU)
  • Multiplex network door ECU

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Back Door > Clear DTCs
NEXT

2.

CHECK FOR DTC

(a) Check for DTCs.

Body Electrical > Back Door > Trouble Codes

Result

Proceed to

U010087, U010187, U012987, U014087, U015587, U016387, U016887, U111787 or U114F87 is output

A

DTCs are not output

B

None of the above conditions are met

C
A

GO TO CAN COMMUNICATION SYSTEM

for HEV Model: Click here

for Gasoline Model: Click here

B

USE SIMULATION METHOD TO CHECK

C

GO TO DTC CHART

    READ NEXT:

     Back Door Closer does not Operate

    DESCRIPTION The back door lock with courtesy light switch assembly is controlled by the multiplex network door ECU. The multiplex network door ECU is activated according to the switch signals in the b

     Power Back Door cannot be Operated Using Any Switch

    DESCRIPTION The power back door controls the multiplex network door ECU and operates the power back door unit assembly and back door lock assembly. If the power back door does not operate using any o

     Power Back Door does not Operate Using Cabin Switch

    DESCRIPTION The power back door control switch signal is sent to the multiplex network door ECU. If the power back door does not operate using the power back door control switch, a power back door co

    SEE MORE:

     Parts Location

    PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 ELECTRIC BRAKE BOOSTER (BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY) *3 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) *4 HEADLAMP ECU SUB-ASSEMB

     Drive Motor "B" Phase V Current(High Resolution) Circuit Short to Battery (P0A6912,...,P0A6C1F)

    DESCRIPTION The motor generator control ECU (MG ECU), which is built into the inverter with converter assembly, monitors its internal operation and will store DTCs if it detects a malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indica

    © 2020-2025 Copyright www.tcorollacross.com PT NL