DTC B1AA0-44: ANC ECU EEPROM Data Memory Failure [02/2024 - ]: Procedure

1. Clear the DTCs.

   Body Electrical > Active Noise Control > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Check for DTCs.

   Body Electrical > Active Noise Control > Trouble Codes 

   Result

   Result	Proceed to
   B1AA0-44 is not output	A
   B1AA0-44 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2024 - ]

Result: 

B 

REPLACE STEREO COMPONENT EQUALIZER ASSEMBLY 

Refer to REMOVAL [02/2024 - ]