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Home >> Toyota >> 2021 >> RAV4 Adventure >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Dynamic Radar Cruise Control System (Except HV) - Diagnostic Codes & Circuit Tests >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for Gasoline Model) >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; 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 U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U1106-87: Lost Communication with Electric Parking Brake Module Missing Message [11/2018 - 12/2021] >> Description
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DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; 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 U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U1106-87: Lost Communication with Electric Parking Brake Module Missing Message [11/2018 - 12/2021]: Description

The forward 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 MIL DTC Output from
U0100-87 Lost Communication With ECM/PCM "A" Missing Message When the dynamic radar cruise control system is operating, a communication malfunction between the ECM and forward recognition camera is detected for 5 seconds or more. CAN communication system Does not come on Radar Cruise2
U0125-87 Lost Communication With Multi-axis Acceleration Sensor Module Missing Message When the vehicle speed is approximately 1 km/h (1 mph) or more, a communication error between the forward recognition camera and yaw rate sensor (airbag ECU assembly) continues for 5 seconds or more. CAN communication system Does not come on Radar Cruise2
U0126-87 Lost Communication with Steering Angle Sensor Module Missing Message When the ignition switch is ON for 2 seconds or more, a communication error between the forward recognition camera and steering sensor continues for 5 seconds or more. CAN communication system Does not come on Radar Cruise2
U0129-87 Lost Communication with Brake System Control Module Missing Message When the ignition switch is ON for 2 seconds or more, a communication error between the forward recognition camera and skid control ECU (brake actuator assembly) continues for 5 seconds or more. CAN communication system Does not come on Radar Cruise2
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message When the ignition switch is ON for 2 seconds or more, a communication error between the forward recognition camera and combination meter assembly continues for 50 seconds or more. CAN communication system Does not come on Radar Cruise2
U1106-87 Lost Communication with Electric Parking Brake Module Missing Message When the ignition switch is ON for 2 seconds or more, a communication error between the forward recognition camera and parking brake ECU assembly continues for 5 seconds or more. CAN communication system Does not come on Radar Cruise2