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2003 Chevrolet Silverado 2500 HD LS 6.6L MIL Lamp on, p0380
Posted to GM Driveability on 6/12/2010 6 Replies

hello all,thanks in advance...this truck is equipped with california glow plug system...keeps setting p0380...did a diag/test with modis and found 1.1 glow plug volts with engine running and modis said it should be .2....called it a bad relay/module truck back...

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  Related Documents & Media  2003 Chevrolet Silverado 2500 HD LS

 
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Silverado 2500 HD LS

VIN 1GCHC23143
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / diesel
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, P0380
OccursAlways

Trouble Codes

P0380Intake Air Heater Relay 1 Control Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Silverado 2500 HD LS

VIN 1GCHC23143
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / diesel
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, P0380
OccursAlways

Trouble Codes

P0380Intake Air Heater Relay 1 Control Circuit Malfunction