Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Lost Communication With ECM/PCM "A" Missing Message (U010087,...,U130957)

DESCRIPTION

The skid control ECU (brake actuator assembly) communicates with the following ECUs and sensors via CAN communication.

  • ECM
  • TCM
  • Yaw rate and acceleration sensor (airbag ECU assembly)
  • Steering sensor
  • Power steering ECU assembly
  • Main body ECU (multiplex network body ECU)
  • Airbag ECU assembly
  • Engine stop and start ECU
  • Forward recognition camera
  • Clearance warning ECU assembly*
    • *: w/ Parking Support Brake System

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Note

U010087

Lost Communication With ECM/PCM "A" Missing Message

The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals cannot be sent to the ECM for 2 seconds or more.

  • CAN communication system
  • ECM
  • Skid control ECU (brake actuator assembly)

-

U010187

Lost Communication with TCM Missing Message

The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals cannot be sent to the TCM for 2 seconds or more.

  • CAN communication system
  • TCM
  • Skid control ECU (brake actuator assembly)

-

U012500

Lost Communication with Multi-axis Acceleration Sensor Module "A" (2WD) Missing Message

The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals from the yaw rate and acceleration sensor (airbag ECU assembly) cannot be received for 1 second or more.

  • CAN communication system
  • Yaw rate and acceleration sensor (airbag ECU assembly)
  • Skid control ECU (brake actuator assembly)

for 2WD

U012587

Lost Communication With Multi-axis Acceleration Sensor Module Missing Message

When the +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, data from the yaw rate and acceleration sensor (airbag ECU assembly) cannot be received for 1 second or more.

  • CAN communication system
  • Yaw rate and acceleration sensor (airbag ECU assembly)
  • Skid control ECU (brake actuator assembly)

for AWD

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals from the steering sensor cannot be received for 1 second or more.

  • CAN communication system
  • Steering sensor
  • Skid control ECU (brake actuator assembly)

-

U013187

Lost Communication with Power Steering Control Module Missing Message

The +BS terminal voltage is between 9.6 and 16.5 V, data cannot be received from the power steering ECU assembly for 1 second or more.

  • CAN communication system
  • Power steering ECU assembly
  • Skid control ECU (brake actuator assembly)

-

U014087

Lost Communication with Body Control Module Missing Message

The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, data cannot be received from main body ECU (multiplex network body ECU) continuously for 2 seconds or more.

  • CAN communication system
  • Main body ECU (multiplex network body ECU)
  • Skid control ECU (brake actuator assembly)

-

U015187

Lost Communication with Restraints Control Module Missing Message

The +BS terminal voltage is between 9.6 and 16.5 V, the vehicle speed is 6 km/h (4 mph) or more, and signals from the airbag ECU assembly cannot be received for 5 seconds or more.

  • CAN communication system
  • Airbag ECU assembly
  • Skid control ECU (brake actuator assembly)

-

U030057

Internal Control Module Software Incompatibility Invalid/Incompatible Software Component

Engine information sent from the Engine stop and start ECU does not match that stored in the skid control ECU (brake actuator assembly).

  • CAN communication system
  • Engine stop and start ECU
  • Skid control ECU (brake actuator assembly)

-

U115C87

Lost Communication with ECM/PCM "A" (ch5) Missing Message

Signals cannot be sent to the ECM for 2 seconds or more.

  • CAN communication system
  • ECM
  • Skid control ECU (brake actuator assembly)

-

U130857

Software Incompatibility with Pre-collision Control Module Invalid / Incompatible Software Component

Pre-collision system information sent from the forward recognition camera does not match that stored in the skid control ECU (brake actuator assembly).

  • CAN communication system
  • Forward recognition camera
  • Skid control ECU (brake actuator assembly)

-

U130957

Software Incompatibility with Clearance Warning Control Module Invalid / Incompatible Software Component

Clearance warning system information sent from the clearance warning ECU assembly does not match that stored in the skid control ECU (brake actuator assembly).

  • CAN communication system
  • Clearance warning ECU assembly
  • Skid control ECU (brake actuator assembly)

w/ Parking Support Brake System

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Chassis > Brake/EPB > Clear DTCs

(b) Turn the ignition switch off.

NEXT

2.

CHECK DTC OUTPUT (HEALTH CHECK)

(a) Using the GTS to operate the Health Check.

(b) Check for DTCs.

Result

Proceed to

DTCs for related systems are output together with DTC U010087, U010187, U012500, U012587, U012687, U013187, U014087, U015187, U030057, U115C87, U130857 or U130957.

A

U010087, U010187, U012500, U012587, U012687, U013187, U014087, U015187, U030057, U115C87, U130857 or U130957 is output.

B

DTCs are not output.

C

A

GO TO DIAGNOSTIC TROUBLE CODE CHART (RELATED SYSTEM)

B

INSPECT CAN COMMUNICATION SYSTEM

C

USE SIMULATION METHOD TO CHECK

    READ NEXT:

     ABS Warning Light Remains ON

    DESCRIPTION This procedure is for troubleshooting when the ABS warning light remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the ABS warning light in t

     ABS Warning Light does not Come ON

    DESCRIPTION The skid control ECU (brake actuator assembly) controls the ABS warning light in the combination meter assembly via CAN communication. PROCEDURE 1. INSPECT COMB

     Brake Warning Light Remains ON

    DESCRIPTION This procedure is for troubleshooting when the brake system warning light (red indicator) remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the

    SEE MORE:

     Installation

    INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 FRONT DRIVE SHAFT HOLE SNAP RING 43420G - - 2 INSTALL F

     Installation

    INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY 77020A - - 2 FUEL PUMP GAUGE RETAINER 77144 - - 3 NO. 4 FU

    © 2020-2024 Copyright www.tcorollacross.com