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Home >> Toyota >> 2016 >> Highlander Limited, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System - Diagnostic Codes & Circuit Tests - (Except Hybrid) >> Can Communication System >> DTC U1117: Lost Communication with Accessory Gateway [12/2013 - 11/2016] >> Description

DTC U1117: Lost Communication with Accessory Gateway [12/2013 - 11/2016]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area Note
U1117 Lost Communication with Accessory Gateway No communication from the option connector (bus buffer ECU) continues.
  • Option connector (bus buffer ECU) branch line or connector
  • Option Connector (bus buffer ECU)
  • Dealer-installed option
HINT: 
Network gateway ECU stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 2.

HINT: 

This diagnosis procedure is for when DTC U1117 is output by the network gateway ECU (Techstream display: Gateway).