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Home >> Lexus >> 2014 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Diagnostic Codes (3 Of 3) & Circuit Tests (1 Of 4) >> Can Communication System >> DTC U1117: Lost Communication with Accessory Gateway [04/2013 - 06/2014] >> Description

DTC U1117: Lost Communication with Accessory Gateway [04/2013 - 06/2014]: 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)
 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).

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