Check Bus 6 Line [10/2022 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. 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) Tire pressure warning ECU and receiver Absorber control ECU (w/ Adaptive Variable Suspension System) 4WD ECU assembly (for AWD) Headlight ECU sub-assembly LH (w/ Automatic Headlight Beam Level Control System) Headlight ECU sub-assembly RH (w/ Automatic Headlight Beam Level Control System) Outer mirror control ECU assembly RH Outer mirror control ECU assembly LH No. 15 global CAN junction connector No. 17 global CAN junction connector No. 3 CAN junction terminal

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)
Tire pressure warning ECU and receiver
Absorber control ECU
(w/ Adaptive Variable Suspension System)
4WD ECU assembly
(for AWD)
Headlight ECU sub-assembly LH
(w/ Automatic Headlight Beam Level Control System)
Headlight ECU sub-assembly RH
(w/ Automatic Headlight Beam Level Control System)
Outer mirror control ECU assembly RH
Outer mirror control ECU assembly LH
No. 15 global CAN junction connector
No. 17 global CAN junction connector
No. 3 CAN junction terminal