Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Active Noise Control System

DTC No.	Detection Item	Link
B1AA044	ANC ECU EEPROM Data Memory Failure
B1AA187	UART Communication Between ANC and Audio Amplifier Missing Message
B1AA296	Front Left Microphone Circuit Component Internal Failure
B1AA31C	Front Left Microphone Circuit Circuit Voltage Out of Range
B1AA696	Front Right Microphone Circuit Component Internal Failure
B1AA71C	Front Right Microphone Circuit Circuit Voltage Out of Range
B1AAA96	Rear Center Microphone Circuit Component Internal Failure
B1AAB1C	Rear Center Microphone Circuit Circuit Voltage Out of Range
P033531	Crankshaft Position Sensor "A" No Signal
U010087	Lost Communication With ECM/PCM "A" Missing Message
U012987	Lost Communication With Brake System Control Module Missing Message
U014087	Lost Communication with Body Control Module Missing Message

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Power Window Control System(for Gasoline Model): Auto Down Operation does not Fully Open Power Window (Catch Protection Function is Activated)
DESCRIPTION If a door glass does not slide smoothly or a power window regulator motor assembly or door window regulator sub-assembly does not operate smoothly, the catch protection function may be triggered automatically, resulting in the auto down operation being unable to fully open the power wind ...

Toyota Avalon (XX50) 2019-2022 Owners Manual