| 
                     
                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AR9B |  
                        | Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 -                    
                                       ] |  
                        | Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM (for HV Model): U0125,U0129; Lost Communication with Multi-axis Acceleration Sensor Module; 2019 - 2022 MY Avalon HV [04/2018 -        ] |  
                     
                        
                           | DTC | U0125 | Lost Communication with Multi-axis Acceleration Sensor Module |  
                     
                        
                           | DTC | U0129 | Lost Communication with Brake System Control Module |  DESCRIPTIONThe occupant detection ECU sends/receives signals to/from each ECU via CAN communication. 
                     
                        
                        
                        
                        
                     
                     
                        
                           | DTC No. | Detection Item | DTC Detection Condition | Trouble Area |  
                           | U0125 | Lost Communication with Multi-axis Acceleration Sensor Module | CAN communication error between occupant detection ECU and acceleration sensor (CAN communication system malfunction) | CAN communication system |  
                           | U0129 | Lost Communication with Brake System Control Module | CAN communication error between occupant detection ECU and skid control ECU (CAN communication system malfunction) | CAN communication system |  CAUTION / NOTICE / HINTRefer to troubleshooting in CAN Communication System. Click here
                        
                           
                              ![2019 - 2022 MY Avalon HV [04/2018 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)  PROCEDURE
                     
                        
                           | 1.  | GO TO CAN COMMUNICATION SYSTEM |  (a) Go to CAN communication system. Click here
                        
                           
                              ![2019 - 2022 MY Avalon HV [04/2018 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)  
                     
                        
                           | NEXT |   | END |  |