| DTC Troubleshooting: B1640 DTC B1640: RF1 Antenna not Connected or Malfunction 
| 
| DTC Description | DTC |  
| B1640 RF1 Antenna not Connected or Malfunction |  |  |  
|  |  
 
 
| 1. | Problem verification: 
 Problem verification 
| ?1. | Turn the vehicle to the ON mode. |  
 
| ?2. | Clear the DTCs with the HDS. 
 |  
 
| ?3. | Push the door outer handle door lock button to lock the door. |  
 
| ?4. | Touch the door outer handle touch sensor to unlock the door. |  
 
| ?5. | Check for DTCs with the HDS. 
| 
| DTC Description | DTC |  
| B1640 RF1 Antenna not Connected or Malfunction |  |  |  
|  |  |  |  Is DTC B1640 indicated? 
|  |  |  |  |  
|  |  |  | 
Intermittent failure, the system is OK at this time. Check for loose or poor connections.? |  |