 
				
	| 2003 GMC Sierra 1500 Denali 6.0L No Start No theft codes; starter will crank,but when key is cycled to off,the crank is lost; resuming when pressing lock/unlock on remote. Have tried another [...] KOEO fuel pump has no [...] is no remote start feature!Have communication on all modules,including the IP... 
                        
                            FIX posted 7/12/2016
                               
                    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 9 Replies Received (View Replies)9 Replies Received (Hide Replies)
 | Message Closed w/FIX 
 | 
| VIN | 2GTFK69U13 | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / sefi | 
| Emissions | OBD-II Compliant | 
| Symptoms | No Start | 
| Occurs | Always | 
| Misc. | None | 
Trouble Codes
| U1000 | Class 2 Communication Malfunction | 
| U1096 | Loss of Communication With Instrument Panel Cluster | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2003 GMC Sierra 1500 Denali
| VIN | 2GTFK69U13 | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / sefi | 
| Emissions | OBD-II Compliant | 
| Symptoms | No Start | 
| Occurs | Always | 
| Misc. | None | 
Trouble Codes
| U1000 | Class 2 Communication Malfunction | 
| U1096 | Loss of Communication With Instrument Panel Cluster | 
 9 Replies Received
9 Replies Received
 9 Replies Received
          9 Replies Received
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