Powertrain Control Interface Module Replacement 5.3L Engine w/RPO HP2
                    
Removal Procedure
- Disconnect the battery service disconnect/connect. Refer to 
Hybrid Battery Service Disconnect/Connect
 .
 
- Disconnect the electrical connector from the interface control module:
 
| 2.1.  | Push the center retainer in while sliding the gray lever forward. | 
 
| 2.2.  | Slide the gray lever forward completely until it locks. | 
 
| 2.3.  | Remove the electrical connector. | 
 
- Remove the interface control module from the powertrain control module (PCM) cover.
 
Installation Procedure
- Install the interface control module to the PCM cover.
 
- Connect the interface control module electrical connector.
 
| 2.1.  | Install the electrical connector. | 
 
| 2.2.  | Slide the gray lever rearward completely until it locks. | 
 
- Connect the battery service disconnect/connect. Refer to 
Hybrid Battery Service Disconnect/Connect
 .
 
- Program the interface control module. Refer to 
Control Module References
 for programming and setup information.