DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Blind Spot Monitor System - Diagnostic Codes & Symptom Tests >> Blind Spot Monitor System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0293: Lost Communication with Hybrid Vehicle Control System [12/2019 - 11/2023] >> Description

DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0293: Lost Communication with Hybrid Vehicle Control System [12/2019 - 11/2023]: Description

These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor.

HINT: 

If CAN communication system DTCs are stored, they may also be stored for other systems.

BLIND SPOT MONITOR SENSOR LH (MASTER)

DTC No. Detection Item DTC Detection Condition Trouble Area
U0100 Lost Communication with ECM / PCM "A" Lost communication with ECM CAN communication system
U0125 Lost Communication with Yaw Rate Sensor Module Lost communication with airbag sensor assembly CAN communication system
U0126 Lost Communication with Steering Angle Sensor Module Lost communication with steering sensor CAN communication system
U0129 Lost Communication with Brake System Control Module Lost communication with brake system CAN communication system
U0142 Lost Communication with Body Control Module "B" Lost communication with main body ECU CAN communication system
U0293 Lost Communication with Hybrid Vehicle Control System Lost communication with hybrid vehicle control ECU CAN communication system
BLIND SPOT MONITOR SENSOR RH (SLAVE)

DTC No. Detection Item DTC Detection Condition Trouble Area
U0100 Lost Communication with ECM / PCM "A" Lost communication with ECM CAN communication system
U0125 Lost Communication with Yaw Rate Sensor Module Lost communication with airbag sensor assembly CAN communication system
U0126 Lost Communication with Steering Angle Sensor Module Lost communication with steering sensor CAN communication system
U0129 Lost Communication with Brake System Control Module Lost communication with brake system CAN communication system
U0142 Lost Communication with Body Control Module "B" Lost communication with main body ECU CAN communication system
U0293 Lost Communication with Hybrid Vehicle Control System Lost communication with hybrid vehicle control ECU CAN communication system
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