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Home >> Lexus >> 2021 >> NX 300 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Lane Tracing Assist System - Diagnostics & Symptom Tests >> Lane Tracing Assist System >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U012587: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U012687: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U012987: Lost Communication with Brake System Control Module Missing Message; DTC U013187: Lost Communication with Power Steering Control Module Missing Message; DTC U015587: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message [05/2019 - ] >> Description
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DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U012587: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U012687: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U012987: Lost Communication with Brake System Control Module Missing Message; DTC U013187: Lost Communication with Power Steering Control Module Missing Message; DTC U015587: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message [05/2019 - ]: 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 3 seconds after the engine switch is turned on (IG), while the vehicle speed is 5 km/h (4 mph) or more and the lane tracing assist is on, a communication error between the ECM sensor and the forward recognition camera is detected for approximately 5 seconds or more. CAN communication system
U012587 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message 3 seconds after the engine switch is turned on (IG), while the vehicle speed is 5 km/h (4 mph) or more and the lane tracing assist is on, a communication error between the airbag ECU assembly and the forward recognition camera is detected for approximately 5 seconds or more. CAN communication system
U012687 Lost Communication with Steering Angle Sensor Module Missing Message 3 seconds after the engine switch is turned on (IG), while the lane tracing assist is on, a communication error between the steering sensor and the forward recognition camera is detected for approximately 5 seconds or more. CAN communication system
U012987 Lost Communication with Brake System Control Module Missing Message 3 seconds after the engine switch is turned on (IG), while the lane tracing assist is on, a communication error between the skid control ECU (brake actuator assembly) and the forward recognition camera is detected for approximately 5 seconds or more. CAN communication system
U013187 Lost Communication with Power Steering Control Module Missing Message 3 seconds after the engine switch is turned on (IG), while the lane tracing assist is on, a communication error between the power steering ECU assembly and the forward recognition camera is detected for approximately 5 seconds or more. CAN communication system
U015587 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message 3 seconds after the engine switch is turned on (IG), while the lane tracing assist is on, a communication error between the combination meter assembly and the forward recognition camera is detected for approximately 50 seconds or more. CAN communication system