| 
	 2003 Chevrolet Suburban 1500 LS 5.3L Transfer case/4WD 
		
		Transfer case will shift into auto4WD, 4Lo, and back to 2WD as commanded. When commanding 4Hi, can hear the actuator moving while the 4Hi light flashes but then it goes back into auto4WD. (will not go into 4Hi) 
                        
                            FIX posted 3/11/2021
                             
                 
                            
                    iATN Members:  
        Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 8 Replies Received (View Replies)8 Replies Received (Hide Replies)
       | 
		  
		      
           Message Closed w/FIX 
	   
	   
	   
	    | 
| VIN | 3GNFK16Z23 | 
| Engine | 5.3 L / 8 cyl / FLEX | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Transfer Case/4WD | 
| Conditions | No 4Hi | 
Message Closed w/FIX
            
            
 Vehicle Data
                2003 Chevrolet Suburban 1500 LS
| VIN | 3GNFK16Z23 | 
| Engine | 5.3 L / 8 cyl / FLEX | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Transfer Case/4WD | 
| Conditions | No 4Hi | 
                            
8 Replies Received
          8 Replies Received
          
  Related Documents & Media