Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Network Gateway Ecu

Lost Communication with Power Source Control (B278C)

DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops for 10 seconds or more. DTC No. Detection Item ...

Components

COMPONENTS ILLUSTRATION *1 ECU INTEGRATION BOX RH *2 NETWORK GATEWAY ECU ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Smart Access System With Push-button Start (for Start Function): ACC Monitor Malfunction (B2274)
DESCRIPTION This DTC is stored when a malfunction in the ACC output circuit is detected. The ACC output circuit is the circuit between terminal ACCD of the certification ECU (smart key ECU assembly) and the ACC relay. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2 ...

Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Bluetooth: What to do if... (Troubleshooting)
If there is a problem with the hands-free system or a Bluetooth device, first check the table below. When using the hands-free system with a Bluetooth device The hands-free system or Bluetooth device does not work. The connected device may not be a compatible Bluetooth cellular ...