Step 
 | Action 
 | Value(s) 
 | Yes 
 | No 
 | 
1 
 | 
- Turn ignition OFF.
 
- Connect a scan tool.
 
- Turn the ignition to the ON position.
 
- Using the scan tool, check for any DTCs in the body control module
(BCM).
 
 
Does the scan tool show any DTCs ? 
 | -- 
 | Go to 
Diagnostic System Check - Body Control System 
 in Body Control System 
 | 
Go to Step 2
           
 | 
2 
 | Remove and
inspect the FR PRK fuse. 
Is the fuse open? 
 | -- 
 | 
Go to Step 3
   
       
 | 
Go to Step 4
          
 | 
3 
 | 
- Locate and repair CKT 2309 (BRN) for a short to ground.
 
-  Replace fuse.
 
 
Is the repair complete? 
 | -- 
 | System OK 
 | -- 
 | 
4 
 | 
- Inspect the park lamps for open filaments.
 
- Replace if needed.
 
- Ensure that connector C4 at the underhood bussed electrical center
(UBEC) is properly seated.
 
 
Was the problem found? 
 | -- 
 | System OK 
 | 
Go to Step
5
          
 | 
5 
 | Locate and repair CKT 2309 (BRN) for an open between park
lamps andthe UBEC. 
Is the repair complete? 
 | -- 
 | System OK 
 | -- 
 |