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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Can Communication System - Circuit Tests (3 Of 3)) >> CAN COMMUNICATION SYSTEM (for PHEV Model) >> Check Bus 4 Line [12/2023 - ] >> Description

Check Bus 4 Line [12/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Trouble Area
There are ECUs or sensors that display a communication stop on the bus diagnostic screen. Or, there are ECUs or sensors that display communication stop history on the "Detail" screen.
  • CAN main bus line, CAN branch line or connector
  • Central gateway ECU (network gateway ECU)
  • Airbag ECU assembly
  • No. 2 skid control ECU (brake actuator assembly)
  • Steering sensor
  • No. 1 skid control ECU (brake booster with master cylinder assembly)
  • Rack and pinion power steering gear assembly
  • No. 1 global CAN junction connector
  • No. 6 global CAN junction connector