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Home >> Toyota >> 2025 >> Land Cruiser Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Front Side Radar Sensor System - Diagnostic Codes >> Front Side Radar Sensor System >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing [02/2024 - ] >> Description
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DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing [02/2024 - ]: Description

The object recognition camera communicates with each sensor and ECU via CAN communication.

If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
U0100-87 Lost Communication with ECM/PCM "A" Missing Message After 3 seconds or more have elapsed since the ignition switch was turned to ON, there is a communication malfunction between the front side radar sensor (A) and ECM for approximately 11 seconds or more. CAN communication system Front Side Radar "A" B
U0129-87 Lost Communication with Brake System Control Module "A" Missing Message After 3 seconds or more have elapsed since the ignition switch was turned to ON, there is a communication malfunction between the front side radar sensor (A) and No. 2 skid control ECU (brake actuator assembly) for approximately 5 seconds or more. CAN communication system Front Side Radar "A" B
U0131-87 Lost Communication with Power Steering Control Module "A" Missing Message After 3 seconds or more have elapsed since the ignition switch was turned to ON, there is a communication malfunction between the front side radar sensor (A) and power steering ECU (rack and pinion power steering gear assembly) for approximately 4 seconds or more. CAN communication system Front Side Radar "A" B
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing When the vehicle speed is 5 km/h or more and 3 seconds or more have elapsed since the ignition switch was turned to ON, there is a communication malfunction between the front side radar sensor (A) and hybrid vehicle control ECU assembly for 11 seconds or more. CAN communication system Front Side Radar "A" B