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Home >> Toyota >> 2017 >> RAV4 XLE, FWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Power Back Door System - Diagnostic Codes & Symptom Tests - (Except Hybrid) >> Power Back Door System >> DTC U0101, U0122, U0142, U0155, U1114, U1117; Lost Communication With TCM [10/2015 - 08/2016] >> Description

DTC U0101, U0122, U0142, U0155, U1114, U1117; Lost Communication With TCM [10/2015 - 08/2016]: Description

These DTCs are stored when a malfunction occurs in the CAN communication circuit.

DTC No. Detection Item Trouble Area
U0101 Lost Communication With TCM
  • CAN communication system
  • ECM
  • Multiplex network door ECU
U0122 Lost Communication with Vehicle Dynamics Control Module
  • CAN communication system
  • Brake actuator assembly (skid control ECU)
  • Multiplex network door ECU
U0142 Lost Communication with Body Control Module "B"
  • CAN communication system
  • Main body ECU (multiplex network body ECU)
  • Multiplex network door ECU
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
  • CAN communication system
  • Combination meter assembly
  • Multiplex network door ECU
U1114 Lost Communication with Main Switch Module
  • CAN communication system
  • Combination meter assembly
  • Multiplex network door ECU
U1117 Lost Communication with Accessory Gateway
  • CAN communication system
  • Bus buffer ECU
  • Multiplex network door ECU