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Home >> Lexus >> 2021 >> NX 300 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Blind Spot Monitor System - Diagnostic Codes & Symptom Tests >> Blind Spot Monitor System >> DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B" [10/2014 - 09/2017] >> Description
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DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B" [10/2014 - 09/2017]: 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.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
U0100 Lost Communication with ECM / PCM "A" Lost communication with ECM 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 skid control ECU (brake booster with master cylinder assembly) CAN communication system -
U0142 Lost Communication with Body Control Module "B" Lost communication with main body ECU (multiplex network body ECU) CAN communication system -