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Home >> Lexus >> 2021 >> ES 300h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Control System (Hybrid) - Diagnostic Codes & Circuit Tests >> LANE CONTROL SYSTEM (for HV Model) >> DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [06/2018 - 08/2021] >> Description

DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [06/2018 - 08/2021]: Description

When a communication malfunction is detected between the forward recognition camera and an ECU or sensor, a DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0125-87 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message While the vehicle is being driven at 5 km/h (4 mph) or more and the lane control system is on, a communication error is detected between the yaw rate sensor (airbag ECU assembly) and forward recognition camera for approximately 5 seconds or more. CAN communication system
U0126-87 Lost Communication with Steering Angle Sensor Module Missing Message 2 seconds after the power switch is turned on (IG), while the lane control system is on, a communication error is detected between the steering sensor and forward recognition camera for approximately 5 seconds or more. CAN communication system
U0129-87 Lost Communication with Brake System Control Module Missing Message 2 seconds after the power switch is turned on (IG), while the lane control system is on, a communication error is detected between the skid control ECU (brake booster with master cylinder assembly) and forward recognition camera for approximately 5 seconds or more. CAN communication system
U0131-87 Lost Communication with Power Steering Control Module Missing Message 2 seconds after the power switch is turned on (IG), while the lane control system is on, a communication error is detected between the power steering ECU (rack and pinion power steering gear assembly) and forward recognition camera for approximately 5 seconds or more. CAN communication system
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message 2 seconds after the power switch is turned on (IG), while the lane control system is on, a communication error is detected between the combination meter assembly and forward recognition camera for approximately 50 seconds or more. CAN communication system
U0293-87 Lost Communication with Hybrid Powertrain Control Module Missing Message 2 seconds after the power switch is turned on (IG), while the vehicle is being driven at 5 km/h (4 mph) or more and the lane control system is on, a communication error is detected between the hybrid vehicle control ECU and forward recognition camera for approximately 5 seconds or more. CAN communication system