Check engine light code P0449

check engine light is on, autozone says code is P0449 this is what their ticket says:  
 
The PCM has determined that a malfunction exists in the electrical circuit for the vent valve/solenoid in the evaporative emission control system.

Definition:
EVAP (Evaporative Emission System) purge/vent solenoid circuit condition

Explanation:
The solenoids and system wiring are monitored for opens or shorts

Probable Causes
1- Purge or vent solenoids defective
2- Check connevtor and wiring
3- Fuel saturated vapor canister
4- Failed EVAP vent solenoid
 
 
any info and help is appreciated.

try this its from the manual, there is more involved but it might give you a place to start if you are going to try and fix it yourself..


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then connector its refering to


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if you spend any money or your Tahoe spend it on the factory service manual!

Turned out to be the vent solenoid valve, 30 bucks at the dealer and i installed it in 10 minutes, thanks in2pro for the info