Toyota Yaris: Front Camera System / Lost Communication With ECM/PCM "A" Missing Message (U010087,U010187,U012687,U012987,U014087,U015587)

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Front Camera System / Lost Communication With ECM/PCM "A" Missing Message (U010087,U010187,U012687,U012987,U014087,U015587)

DESCRIPTION

When a malfunction is detected between various ECUs and sensors, these DTCs are stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U010087

Lost Communication With ECM/PCM "A" Missing Message

When the ignition switch is ON for 3 seconds or more, and the vehicle is being driven at a speed of 5 km/h (3mph) or more, a communication malfunction between the forward recognition camera and the ECM continues for 2 seconds or more.

CAN communication system

U010187

Lost Communication with TCM Missing Message

When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the ECM continues for approximately 5 seconds or more.

CAN communication system

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the steering sensor continues for approximately 1 second or more.

CAN communication system

U012987

Lost Communication with Brake System Control Module Missing Message

When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the skid control ECU (brake actuator assembly) continues for approximately 1 second or more.

CAN communication system

U014087

Lost Communication with Body Control Module Missing Message

When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the main body ECU (multiplex network body ECU) continues for 5 seconds or more.

CAN communication system

U015587

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

When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the combination meter assembly continues for 5 seconds or more.

CAN communication system

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Chassis > Front Recognition Camera > Clear DTCs
NEXT

2.

CHECK FOR DTCs

(a) Make sure that the DTC detection conditions are met.

HINT:

If the detection conditions are not met, the system cannot detect the malfunction.

(b) Check for DTCs.

Chassis > Front Recognition Camera > Trouble Codes

Result

Proceed to

DTC U010087, U010187, U012687, U012987, U014087 or U015587 is output

A

DTCs are not output

B

None of the above conditions are met

C

A

GO TO CAN COMMUNICATION SYSTEM

B

USE SIMULATION METHOD TO CHECK

C

GO TO DTC CHART

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    DESCRIPTION The forward recognition camera receives vehicle information from the ECM via CAN communication. DTC U030051 is stored when the vehicle information from the ECM cannot be confirmed...

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