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                           Last Modified: 05-08-2025 | 
                        6.11:8.1.0  | 
                        
                           Doc ID: RM1000000021J3E | 
                      
                     
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                           Model Year Start: 2022 | 
                        
                           Model: RAV4 | 
                        
                           Prod Date Range: [12/2021 -                    
                                       ] | 
                      
                     
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                           Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM (for Gasoline Model): U010087,U012587,U012687,U012987,U015587,U110687; Lost Communication with ECM/PCM "A" Missing Message; 2022 - 2025 MY RAV4 [12/2021 -        ] | 
                      
                   
                  
                     
                        
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                               DTC 
                            | 
                           
                               U010087 
                            | 
                           
                               Lost Communication with ECM/PCM "A" Missing Message 
                            | 
                         
                     
                   
                  
                     
                        
                           | 
                               DTC 
                            | 
                           
                               U012587 
                            | 
                           
                               Lost Communication With Multi-axis Acceleration Sensor Module Missing Message 
                            | 
                         
                     
                   
                  
                     
                        
                           | 
                               DTC 
                            | 
                           
                               U012687 
                            | 
                           
                               Lost Communication with Steering Angle Sensor Module Missing Message 
                            | 
                         
                     
                   
                  
                     
                        
                           | 
                               DTC 
                            | 
                           
                               U012987 
                            | 
                           
                               Lost Communication With Brake System Control Module Missing Message 
                            | 
                         
                     
                   
                  
                     
                        
                           | 
                               DTC 
                            | 
                           
                               U015587 
                            | 
                           
                               Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message 
                            | 
                         
                     
                   
                  
                     
                        
                           | 
                               DTC 
                            | 
                           
                               U110687 
                            | 
                           
                               Lost Communication with Electric Parking Brake Module Missing Message 
                            | 
                         
                     
                   
                   
                  DESCRIPTION
                  The millimeter wave radar sensor assembly communicates with each sensor and ECU via CAN communication. 
                  If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored. 
                  
                     
                        
                        
                        
                        
                        
                        
                     
                     
                        
                           | 
                               DTC No. 
                            | 
                           
                               Detection Item 
                            | 
                           
                               DTC Detection Condition 
                            | 
                           
                               Trouble Area 
                            | 
                           
                               MIL 
                            | 
                           
                               DTC Output from 
                            | 
                         
                     
                     
                        
                           | 
                               U010087 
                            | 
                           
                               Lost Communication with ECM/PCM "A" Missing Message 
                            | 
                           
                               When the dynamic radar cruise control system is operating, a communication malfunction between the ECM and millimeter wave radar sensor assembly is detected for 1 second or more. 
                            | 
                           
                               CAN communication system 
                            | 
                           
                               Does not come on 
                            | 
                           
                               Radar Cruise2 
                            | 
                         
                        
                           | 
                               U012587 
                            | 
                           
                               Lost Communication With Multi-axis Acceleration Sensor Module Missing Message 
                            | 
                           
                               When the vehicle speed is 1 km/h (1 mph) or more, a communication error between the millimeter wave radar sensor assembly and yaw rate sensor (airbag ECU assembly)  continues for 5 seconds or more. 
                            | 
                           
                               CAN communication system 
                            | 
                           
                               Does not come on 
                            | 
                           
                               Radar Cruise2 
                            | 
                         
                        
                           | 
                               U012687 
                            | 
                           
                               Lost Communication with Steering Angle Sensor Module Missing Message 
                            | 
                           
                               When the dynamic radar cruise control system is operating, a communication error between the millimeter wave radar sensor assembly and steering sensor continues for 5 seconds or more. 
                            | 
                           
                               CAN communication system 
                            | 
                           
                               Does not come on 
                            | 
                           
                               Radar Cruise2 
                            | 
                         
                        
                           | 
                               U012987 
                            | 
                           
                               Lost Communication With Brake System Control Module Missing Message 
                            | 
                           
                               When the dynamic radar cruise control system is operating, a communication error between the millimeter wave radar sensor assembly and skid control ECU (brake actuator assembly) continues for 5 seconds or more. 
                            | 
                           
                               CAN communication system 
                            | 
                           
                               Does not come on 
                            | 
                           
                               Radar Cruise2 
                            | 
                         
                        
                           | 
                               U015587 
                            | 
                           
                               Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message 
                            | 
                           
                               When the dynamic radar cruise control system is operating, a communication error between the millimeter wave radar sensor assembly and combination meter assembly continues for 12 seconds or more. 
                            | 
                           
                               CAN communication system 
                            | 
                           
                               Does not come on 
                            | 
                           
                               Radar Cruise2 
                            | 
                         
                        
                           | 
                               U110687 
                            | 
                           
                               Lost Communication with Electric Parking Brake Module Missing Message 
                            | 
                           
                               When the ignition switch is ON for 2 seconds or more, a communication error between the millimeter wave radar sensor assembly and skid control ECU (brake actuator assembly) continues for 5 seconds or more. 
                            | 
                           
                               CAN communication system 
                            | 
                           
                               Does not come on 
                            | 
                           
                               Radar Cruise2 
                            | 
                         
                     
                   
                   
                  PROCEDURE
                   
                  
                  (a) Clear the DTCs. 
                  Powertrain > Radar Cruise2 > Clear DTCs
                  
                     
                        
                           
                              
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NEXT
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                  (a) Make sure that the DTC detection conditions are met. 
                  HINT: 
                  If the detection conditions are not met, the system cannot detect the malfunction. 
                  (b) Check for DTCs. 
                  Powertrain > Radar Cruise2 > Trouble Codes
                  
                     
                        
                           | 
                               Result 
                            | 
                           
                               Proceed to 
                            | 
                         
                     
                     
                        
                           | 
                               DTC U010087, U012587, U012687, U012987, U015587 and U110687 are not output 
                            | 
                           
                               A 
                            | 
                         
                        
                           | 
                               DTC U010087, U012587, U012687, U012987, U015587 or U110687 is output 
                            | 
                           
                               B 
                            | 
                         
                     
                   
                  
                  
                  
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