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Diagnostic Trouble Code Chart

CAN Communication System 

DIAGNOSTIC TROUBLE CODE - CAN COMMUNICATION SYSTEM

DTC Code Detection Item Trouble Area DTC Output from
U0114/38  Lost Communication with 4WD Control ECU
  • Power source circuit of 4WD control ECU
  • 4WD control ECU
  • 4WD control ECU branch wire or connector
Network gateway ECU
U0122  Lost Communication with Vehicle Dynamics Control Module
  • Power source circuit of master cylinder solenoid (skid control ECU)
  • Master cylinder solenoid (skid control ECU)
  • Skid control ECU branch wire or connector
Network gateway ECU
U0123  Lost Communication with Yaw Rate Sensor Module
  • Power source circuit of yaw rate sensor assembly
  • Yaw rate sensor assembly
  • Yaw rate sensor branch wire or connector
Network gateway ECU
U0124  Lost Communication with Lateral Acceleration Sensor Module
  • Power source circuit of yaw rate sensor assembly
  • Yaw rate sensor assembly
  • Yaw rate sensor branch wire or connector
Network gateway ECU
U0126  Lost Communication with Steering Angle Sensor Module
  • Power source circuit of steering angle sensor
  • Steering angle sensor
  • Steering angle sensor branch wire or connector
Network gateway ECU
U0127  Lost Communication with Tire Pressure Monitor Module
  • Power source circuit of tire pressure warning ECU
  • Tire pressure warning ECU
  • Tire pressure warning ECU branch wire or connector
Main body ECU (cowl side junction block LH)
U0129  Lost Communication with Brake System Control Module
  • Power source circuit of combination meter assembly
  • One side of CAN branch wire of other system
  • Combination meter assembly
  • Combination meter branch wire or connector
Network gateway ECU
U0199  Lost Communication with "Door Control Module A"
  • Power source circuit of outer mirror control ECU assembly
  • Outer mirror control ECU assembly
  • Outer mirror control ECU branch wire or connector
Main body ECU (cowl side junction block LH)
U0208  Lost Communication with "Seat Control Module A"
  • Power source circuit of position control ECU and switch assembly
  • Position control ECU and switch assembly
  • Position control ECU and switch branch wire or connector
Main body ECU (cowl side junction block LH)
U0327  Software Incompatibility with Vehicle Security Control Module
  • Power source circuit of certification ECU (smart key ECU assembly)
  • Certification ECU (smart key ECU assembly)
  • Certification ECU (smart key ECU assembly) branch wire or connector
Main body ECU (cowl side junction block LH)
U1002 (CAN MS BUS)  Lost Communication with Gateway Module (Main body ECU)
  • MS bus circuit
  • Certification ECU (smart key ECU assembly) branch wire or connector
  • Position control ECU and switch branch wire or connector
  • Outer mirror control ECU branch wire or connector
  • Multiplex tilt and telescopic ECU branch wire or connector
  • Tire pressure warning ECU branch wire or connector
  • Main body ECU (cowl side junction block LH) main wire or connector
  • Combination meter main wire or connector
  • Certification ECU (smart key ECU assembly)
  • Position control ECU and switch assembly
  • Outer mirror control ECU assembly
  • Multiplex tilt and telescopic ECU
  • Tire pressure warning ECU
  • Main body ECU (cowl side junction block LH)
  • Combination meter assembly
  • Main body ECU (cowl side junction block LH)
Main body ECU (cowl side junction block LH)
U1002 (CAN NO. 2 BUS)  Lost Communication with Gateway Module (Network Gateway ECU)
  • Movement control bus
  • 4WD control ECU branch wire or connector
  • Seat belt control ECU branch wire or connector
  • Yaw rate sensor branch wire or connector
  • Clearance warning ECU branch wire or connector
  • Master cylinder solenoid (skid control ECU) branch wire or connector
  • Steering angle sensor branch wire or connector
  • Network gateway ECU branch wire or connector
  • 4WD control ECU
  • Seat belt control ECU
  • Yaw rate sensor assembly
  • Clearance warning ECU assembly
  • Master cylinder solenoid (skid control ECU)
  • Steering angle sensor
  • Network gateway ECU
  • Network gateway ECU
Network gateway ECU
U1100  Lost Communication with Seat Belt Control ECU
  • Power source circuit of seat belt control ECU
  • Seat belt control ECU
  • Seat belt control ECU branch wire or connector
Network gateway ECU
U1110  Lost Communication with Clearance Sonar Module
  • Power source circuit of clearance warning ECU assembly
  • Clearance warning ECU assembly
  • Clearance warning ECU branch wire or connector
Network gateway ECU
U1115  Lost Communication with Tilt and Telescopic Module
  • Power source circuit of multiplex tilt and telescopic ECU
  • Multiplex tilt and telescopic ECU
  • Multiplex tilt and telescopic ECU branch wire or connector
Main body ECU (cowl side junction block LH)