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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001BQV4 |  
                        | Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 -                    
                                       ] |  
                        | Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): B15FE,B15FF; XM Tuner Antenna Disconnected; 2019 - 2022 MY Avalon HV [04/2018 -        ] |  
                     
                        
                           | DTC | B15FE | XM Tuner Antenna Disconnected |  
                     
                        
                           | DTC | B15FF | XM Tuner Antenna Short |  DESCRIPTIONThese DTCs are stored when a malfunction occurs in the telephone antenna assembly which is connected to the radio and display receiver assembly. 
                     
                        
                        
                        
                        
                     
                     
                        
                           | DTC No. | Detection Item | DTC Detection Condition | Trouble Area |  
                           | B15FE | XM Tuner Antenna Disconnected | The telephone antenna assembly is not connected | 
                                 
                                    
No. 4 antenna cord sub-assembly
No. 3 antenna cord sub-assembly
No. 2 antenna cord sub-assembly
Telephone antenna assembly
Radio and display receiver assembly
 |  
                           | B15FF | XM Tuner Antenna Short | A short occurs in the telephone antenna assembly | 
                                 
                                    
No. 4 antenna cord sub-assembly
No. 3 antenna cord sub-assembly
No. 2 antenna cord sub-assembly
Telephone antenna assembly
Radio and display receiver assembly
 |  CAUTION / NOTICE / HINT
                     NOTICE: 
                        
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
Click here
                                 
                                    
                                       ![2019 - 2021 MY Avalon HV [04/2018 - 08/2021]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): PRECAUTION](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon HV [08/2021 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): PRECAUTION](/t3Portal/stylegraphics/info.gif) 
When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
                              
                                 
A communication malfunction DTC may be stored.
The radio and display receiver assembly may not operate normally.
 PROCEDURE
                     
                        
                           | 1.  | REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY |  (a) Replace the No. 4 antenna cord sub-assembly with a new or known good one. Click here
                        
                           
                              ![2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; AUDIO / VIDEO: RADIO ANTENNA CORD: REMOVAL](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon Avalon HV [08/2021 -        ]; AUDIO / VIDEO: RADIO ANTENNA CORD: REMOVAL](/t3Portal/stylegraphics/info.gif)  (b) Clear the DTCs. Body Electrical > Navigation System > Clear DTCs(c) Recheck for DTCs and check that no DTCs are output. Body Electrical > Navigation System > Trouble CodesOK:  No DTCs are output. 
                     
                        
                           | OK |   | END |  
                     
                        | 
                              
                                 | NG |  
                                 |   |  |  
                     
                        
                           | 2.  | REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY |  (a) Replace the No. 3 antenna cord sub-assembly with a new or known good one. Click here
                        
                           
                              ![2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; AUDIO / VIDEO: RADIO ANTENNA CORD: REMOVAL](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon Avalon HV [08/2021 -        ]; AUDIO / VIDEO: RADIO ANTENNA CORD: REMOVAL](/t3Portal/stylegraphics/info.gif)  (b) Clear the DTCs. Body Electrical > Navigation System > Clear DTCs(c) Recheck for DTCs and check that no DTCs are output. Body Electrical > Navigation System > Trouble CodesOK:  No DTCs are output. 
                     
                        
                           | OK |   | END |  
                     
                        | 
                              
                                 | NG |  
                                 |   |  |  
                     
                        
                           | 3.  | REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY |  (a) Replace the No. 2 antenna cord sub-assembly with a new or known good one. Click here
                        
                           
                              ![2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; AUDIO / VIDEO: RADIO ANTENNA CORD: REMOVAL](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon Avalon HV [08/2021 -        ]; AUDIO / VIDEO: RADIO ANTENNA CORD: REMOVAL](/t3Portal/stylegraphics/info.gif)  (b) Clear the DTCs. Body Electrical > Navigation System > Clear DTCs(c) Recheck for DTCs and check that no DTCs are output. Body Electrical > Navigation System > Trouble CodesOK:  No DTCs are output. 
                     
                        
                           | OK |   | END |  
                     
                        | 
                              
                                 | NG |  
                                 |   |  |  
                     
                        
                           | 4.  | REPLACE TELEPHONE ANTENNA ASSEMBLY |  (a) Replace the telephone antenna assembly with a new or known good one. Click here
                        
                           
                              ![2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; AUDIO / VIDEO: ROOF ANTENNA: REMOVAL](/t3Portal/stylegraphics/info.gif)  ![2022 MY Avalon Avalon HV [08/2021 -        ]; AUDIO / VIDEO: ROOF ANTENNA: REMOVAL](/t3Portal/stylegraphics/info.gif)  (b) Clear the DTCs. Body Electrical > Navigation System > Clear DTCs(c) Recheck for DTCs and check that no DTCs are output. Body Electrical > Navigation System > Trouble CodesOK:  No DTCs are output. 
                     
                        
                           | OK |   | END |  |