LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2021 >> RAV4 Adventure >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Control System - Diagnostic Codes & Circuit Tests >> Lane Control System >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM 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 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 [12/2021 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM 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 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 [12/2021 - ]: 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
U0100-87 Lost Communication with ECM/PCM "A" Missing Message When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the ECM continues for approximately 1 second or more. CAN communication system
U0101-87 Lost Communication with TCM Missing Message for Gasoline Model:
When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the ECM continues for approximately 8 seconds or more.
for HV Model:
When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the hybrid vehicle control ECU assembly continues for approximately 8 seconds or more.
CAN communication system
U0125-87 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message When the vehicle speed is 1 km/h or more, a communication error between the forward recognition camera and yaw rate and acceleration sensor (airbag ECU assembly) continues for 5 seconds or more. CAN communication system
U0126-87 Lost Communication with Steering Angle Sensor Module Missing Message When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the steering sensor continues for approximately 1 second or more. CAN communication system
U0129-87 Lost Communication with Brake System Control Module Missing Message for Gasoline Model:
When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the skid control ECU (brake actuator assembly) continues for approximately 1 second or more.
for HV Model:
When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the No. 2 skid control ECU (brake actuator assembly) continues for approximately 1 second or more.
CAN communication system
U0131-87 Lost Communication with Power Steering Control Module Missing Message When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the rack and pinion power steering gear assembly (power steering ECU) continues for approximately 1 second or more. CAN communication system
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the combination meter assembly continues for 8 seconds or more. CAN communication system
U0293-87 Lost Communication With Hybrid Powertrain Control Module Missing Message When the ignition switch is ON for 3 seconds or more, a communication malfunction between the forward recognition camera and the hybrid vehicle control ECU assembly continues for approximately 2 seconds or more. CAN communication system