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Home >> Toyota >> 2021 >> RAV4 Prime SE >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes (PHEV) >> Pre-Collision System >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM 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 U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [10/2022 - ] >> Description
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DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM 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 U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [10/2022 - ]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area
U0100-87 Lost Communication With ECM/PCM "A" Missing Message 3 seconds after the ignition switch is turned to ON, a communication error between the ECM and the forward recognition camera is detected for approximately 1 second or more. CAN communication system
U0101-87 Lost Communication with TCM Missing Message 3 seconds after the ignition switch is turned to ON, a communication error between the hybrid vehicle control ECU and the forward recognition camera is detected for approximately 5 second or more. CAN communication system
U0126-87 Lost Communication with Steering Angle Sensor Module Missing Message 3 seconds after the ignition switch is turned to ON, a communication error between the steering sensor and the forward recognition camera is detected for approximately 1 second or more. CAN communication system
U0129-87 Lost Communication with Brake System Control Module Missing Message 3 seconds after the ignition switch is turned to ON, a communication error between the No. 2 skid control ECU (brake actuator assembly) and the forward recognition camera is detected for approximately 1 second or more. CAN communication system
U0131-87 Lost Communication with Power Steering Control Module Missing Message 3 seconds after the ignition switch is turned to ON, a communication error between the power steering ECU (rack and pinion power steering gear assembly) and the forward recognition camera is detected for approximately 5 second or more. CAN communication system
U0293-87 Lost Communication with Hybrid Powertrain Control Module Missing Message 3 seconds after the ignition switch is turned to ON, a communication error between the hybrid vehicle control ECU and the forward recognition camera is detected for approximately 1 second or more. CAN communication system