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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Automatic High Beam System - Diagnostic Codes & Symptom Tests) >> Automatic High Beam 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 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 [08/2020 - 12/2021] >> Description

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 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 [08/2020 - 12/2021]: Description

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DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Note
U0100-87 Lost Communication with ECM/PCM "A" Missing Message Communication stop occurs between the forward recognition camera and ECM continuously for 5 seconds or more.
  • CAN communication system
  • ECM
  • Forward recognition camera
 Front Recognition Camera (Front Lighting Control) for Gasoline Model
U0125-87 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message Communication stop occurs between the forward recognition camera and airbag sensor assembly continuously for 5 seconds or more.
  • CAN communication system
  • Airbag sensor assembly
  • Forward recognition camera
 Front Recognition Camera (Front Lighting Control) -
U0129-87 Lost Communication with Brake System Control Module Missing Message for HV Model: 
  1. Communication stop occurs between the forward recognition camera and brake booster with master cylinder assembly (skid control ECU) continuously for 5 seconds or more.

for Gasoline Model: 
  1. Communication stop occurs between the forward recognition camera and brake actuator assembly (skid control ECU) continuously for 5 seconds or more.
 for HV Model: 
  • CAN communication system
  • Brake booster with master cylinder assembly (skid control ECU)
  • Forward recognition camera

for Gasoline Model: 
  • CAN communication system
  • Brake actuator assembly (skid control ECU)
  • Forward recognition camera
 Front Recognition Camera (Front Lighting Control) -
U0140-87 Lost Communication with Body Control Module Missing Message Communication stop occurs between the forward recognition camera and main body ECU (multiplex network body ECU) continuously for 5 seconds or more.
  • CAN communication system
  • Main body ECU (multiplex network body ECU) and
  • Forward recognition camera
 Front Recognition Camera (Front Lighting Control) -
U0293-87 Lost Communication With Hybrid Powertrain Control Module Missing Message Communication stop occurs between the forward recognition camera and hybrid vehicle control ECU assembly continuously for 5 seconds or more.
  • CAN communication system
  • Hybrid vehicle control ECU assembly
  • Forward recognition camera
 Front Recognition Camera (Front Lighting Control) for HV Model
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