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2006 GMC Sierra 1500 SLE 4.8L MIL Lamp on
Posted to GM Driveability on 3/5/2009 6 Replies

When Going Through The Tests For Code P0449, Harness At Solenoid Disconnected, Battery Voltage Is Present But So Isn't The Ground From ECM. Always. As Soon As The Key Is Turned On The Ground Is Present. Using Scan Tool Has No Affect On The Ground. Disconnected...

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  Related Documents & Media  2006 GMC Sierra 1500 SLE

 
Message Closed w/Summary

car Vehicle Data

2006 GMC Sierra 1500 SLE

VIN 1GTEK19V56
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0449PCM Internal Fault
Message Closed w/Summary

car Vehicle Data

2006 GMC Sierra 1500 SLE

VIN 1GTEK19V56
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0449PCM Internal Fault