DESCRIPTION This DTC indicates an internal malfunction of the driving support ECU assembly.
CAUTION / NOTICE / HINT NOTICE: When replacing the driving support ECU assembly, always replace it with a new one. If a driving support ECU assembly which was installed to another vehicle is used, the information stored in the driving support ECU assembly will not match the information from the vehicle. As a result, a DTC may be stored. PROCEDURE
(a) Replace the driving support ECU assembly. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Blower Unit: Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during blower unit removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Repl ...