 
				
	| 1994 Chevrolet C3500 5.7L MIL Lamp on, no communication Vehicle was towed in for a no-start concern, cranks ok....upon checking we found no CEL....plugged scanner in, and was unable to communicate....later we learn that the customer tried to jump start w/a 36volt hi/lo......I found the PCM burnt real bad......I rep... 
                        
                            FIX posted 9/16/2004
                               
                    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 7 Replies Received (View Replies)7 Replies Received (Hide Replies)
 | Message Closed w/FIX 
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| VIN | 1GCGC34K7R | 
| Engine | 5.7 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / tbi | 
| Symptoms | MIL Lamp on, No Communication | 
| Occurs | Always | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                1994 Chevrolet C3500
| VIN | 1GCGC34K7R | 
| Engine | 5.7 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / tbi | 
| Symptoms | MIL Lamp on, No Communication | 
| Occurs | Always | 
 7 Replies Received
7 Replies Received
 7 Replies Received
          7 Replies Received
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