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

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