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Home >> Toyota >> 2021 >> RAV4 Adventure >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Front Camera System - Diagnostic Codes >> Front Camera System >> 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 U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control 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 U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [11/2018 - 12/2021]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area
U0100-87 Lost Communication with ECM/PCM "A" Missing Message While the vehicle is being driven at 1 km/h or 1 mph or more, a communication error between the ECM and the forward recognition camera is detected for approximately 5 seconds or more.
  • ECM
  • CAN communication system
  • Forward recognition camera
U0125-87 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message 3 seconds after the ignition switch is turned to ON, while the vehicle is being driven at 1 km/h or 1 mph or more, a communication error between the airbag sensor assembly and the forward recognition camera is detected for approximately 5 seconds or more.
  • Airbag sensor assembly
  • CAN communication system
  • Forward recognition camera
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 5 seconds or more.
  • Steering sensor
  • CAN communication system
  • Forward recognition camera
U0129-87 Lost Communication with Brake System Control Module Missing Message for HV Model: 
  1. 3 seconds after the ignition switch is turned to ON, a communication error between the brake booster with master cylinder assembly (skid control ECU) and the forward recognition camera is detected for approximately 5 seconds or more.

for Gasoline Model: 
  1. 3 seconds after the ignition switch is turned to ON, a communication error between the brake actuator assembly (skid control ECU) and the forward recognition camera is detected for approximately 5 seconds or more.
 for HV Model: 
  • Brake booster with master cylinder assembly (skid control ECU)
  • CAN communication system
  • Forward recognition camera

for Gasoline Model: 
  • Brake actuator assembly (skid control ECU)
  • CAN communication system
  • Forward recognition camera
U0140-87 Lost Communication with Body Control Module Missing Message 3 seconds after the ignition switch is turned to ON, a communication error between the main body ECU (multiplex network body ECU) and the front steering control ECU is detected for approximately 5 seconds or more.
  • Main body ECU (multiplex network body ECU)
  • CAN communication system
  • Forward recognition camera
U0293-87 Lost Communication with Hybrid Powertrain Control Module Missing Message While the vehicle is being driven at 1 km/h or 1 mph or more, a communication error between the hybrid vehicle control ECU and the forward recognition camera is detected for approximately 5 seconds or more.
  • Hybrid vehicle control ECU
  • CAN communication system
  • Forward recognition camera
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