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Home >> Lexus >> 2022 >> ES 300h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Dynamic Radar Cruise Control System (Hybrid) - Diagnostic Codes & Circuit Tests >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for HV Model) >> 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 U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message; DTC U1106-87: Lost Communication with Electric Parking Brake Module Missing Message [06/2018 - ] >> Description
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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 U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message; DTC U1106-87: Lost Communication with Electric Parking Brake Module Missing Message [06/2018 - ]: 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
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
  • Yaw rate and acceleration sensor (Airbag ECU assembly)
  • Forward recognition camera
 Does not come on Forward recognition camera
U0126-87 Lost Communication with Steering Angle Sensor Module Missing Message When the power switch is on (IG) 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
  • Steering sensor
  • Forward recognition camera
 Does not come on Forward recognition camera
U0129-87 Lost Communication with Brake System Control Module Missing Message When the power switch is on (IG) for 2 seconds or more, a communication error between the forward recognition camera and skid control ECU (brake booster with master cylinder assembly) continues for 5 seconds or more.
  • CAN communication system
  • Skid control ECU (brake booster with master cylinder assembly)
  • Forward recognition camera
 Does not come on Forward recognition camera
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message When the power switch is on (IG) 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
  • Combination meter assembly
  • Forward recognition camera
 Does not come on Forward recognition camera
U0293-87 Lost Communication with Hybrid Powertrain Control Module Missing Message When the dynamic radar cruise control system is operating, a communication malfunction between the hybrid vehicle control ECU and forward recognition camera is detected for 5 seconds or more.
  • CAN communication system
  • Hybrid vehicle control ECU
  • Forward recognition camera
 Does not come on Forward recognition camera
U1106-87 Lost Communication with Electric Parking Brake Module Missing Message When the power switch is on (IG) for 2 seconds or more, a communication error between the forward recognition camera and parking brake ECU (brake actuator assembly) continues for 5 seconds or more.
  • CAN communication system
  • Parking brake ECU (Brake actuator assembly)
  • Forward recognition camera
 Does not come on Forward recognition camera
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