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Home >> Lexus >> 2021 >> UX 200 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (Diagnostic Codes) (1 Of 2) >> Navigation System >> DTC B1323: Lost Communication with Haptic Device; DTC B1324: Lost Communication with Meter; DTC B1325: Lost Communication with HUD; DTC B1326: Lost Communication with Clock Device (Local-CAN) [10/2018 - 10/2019] >> Description

DTC B1323: Lost Communication with Haptic Device; DTC B1324: Lost Communication with Meter; DTC B1325: Lost Communication with HUD; DTC B1326: Lost Communication with Clock Device (Local-CAN) [10/2018 - 10/2019]: Description

These DTCs are stored when communication between the radio receiver assembly and remote touch (remote operation controller assembly), combination meter assembly, headup display (meter mirror sub-assembly)* or clock assembly is not possible.

  1. *: w/ Headup Display System
DTC No. Detection Item DTC Detection Condition Trouble Area
B1323 Lost Communication with Haptic Device CAN reception error
  • Local bus communication line
  • Remote touch (remote operation controller assembly) power source circuit
  • Remote touch (remote operation controller assembly)
  • Radio receiver assembly
  • Harness or connector
  • No. 5 CAN junction connector
B1324 Lost Communication with Meter CAN reception error
  • Local bus communication line
  • Combination meter assembly power source circuit
  • Combination meter assembly
  • Radio receiver assembly
  • Harness or connector
  • No. 5 CAN junction connector
B1325 Lost Communication with HUD CAN reception error
  • Local bus communication line
  • Headup display (meter mirror sub-assembly) power source circuit
  • Headup display (meter mirror sub-assembly)
  • Radio receiver assembly
  • Harness or connector
  • No. 5 CAN junction connector
B1326 Lost Communication with Clock Device (Local-CAN) CAN reception error
  • Local bus communication line
  • Clock assembly power source circuit
  • Clock assembly
  • Radio receiver assembly
  • Harness or connector
  • No. 5 CAN junction connector

HINT: 

The radio receiver assembly is the master unit.