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	 2004 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on 
		
		Changed all glow plugs with o.e. Parts, code reoccured after approx 3 starts. Checked for output to the glow plugs,no voltage. Had b+ and ground at the glow plug module. Replaced module, cleared code, 3 starts later, code reoccured. This time i have voltage at... 
                        
                            Summary posted 5/31/2014
                             
                 
                            
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         Message Closed w/Summary 
	   
	   
	   
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| VIN | 1GCHK231X4 | 
| Engine | 6.6 L / 8 cyl / DIESEL | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0380 | Intake Air Heater Relay 1 Control Circuit Malfunction | 
Message Closed w/Summary
            
            
 Vehicle Data
                2004 Chevrolet Silverado 2500 HD
| VIN | 1GCHK231X4 | 
| Engine | 6.6 L / 8 cyl / DIESEL | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0380 | Intake Air Heater Relay 1 Control Circuit Malfunction | 
                            
6 Replies Received
          6 Replies Received
          
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