check engine light on "p0449" - ModernCamaro.com - 5th Generation Camaro Enthusiasts
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post #1 of 5 Old 11-30-2012, 05:11 PM Thread Starter
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check engine light on "p0449"

hey guys! got a check engine light on the camaro the other day. I took it to advanced auto parts and they read the code and wrote it down as "p0449" im trying to google it and see what this means and the stuff that i do find i really dont understand...also my butt warmer on driver side not working a head light is out (i got the bulbs now that wont be a problem changing) its a 2010 6 cyl RS . i have subs in the trunk that i installed yrs ago have never had issues with that cat back exhaust (magnaflow) have that for 2 years and an cold air intake (have had that for 2 years also). help please!!!



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post #2 of 5 Old 11-30-2012, 07:18 PM
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Quote:
Originally Posted by latinoslife View Post
hey guys! got a check engine light on the camaro the other day. I took it to advanced auto parts and they read the code and wrote it down as "p0449" im trying to google it and see what this means and the stuff that i do find i really dont understand...also my butt warmer on driver side not working a head light is out (i got the bulbs now that wont be a problem changing) its a 2010 6 cyl RS . i have subs in the trunk that i installed yrs ago have never had issues with that cat back exhaust (magnaflow) have that for 2 years and an cold air intake (have had that for 2 years also). help please!!!
Check this out...should help...

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post #3 of 5 Old 09-19-2014, 03:46 AM
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What I*read*I really liked it.*Thank you for*your information!

Last edited by Kakobbbdere; 10-15-2014 at 06:17 AM.
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post #4 of 5 Old 09-19-2014, 07:40 AM
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Garage
DTC Descriptors
DTC P0449
Evaporative Emission (EVAP) Vent Solenoid Valve Control Circuit

DTC P0499
Evaporative Emission (EVAP) Vent Solenoid Valve Control Circuit High Voltage

Conditions for Setting the DTC
P0449

The ECM detects the voltage on the EVAP canister vent valve control circuit is between 2.6–4.6 volts when the driver is commanded OFF. The condition exists for less than 4 seconds or for a cumulative of 30 seconds.
P0499

The ECM detects the voltage on the EVAP canister vent valve control circuit is greater than 4.6 volts when the driver is commanded ON. The condition is present for greater than 4 seconds or for a cumulative of 30 seconds.

Butt warmer.. they are about $110 bucks from a GM dealer and take about 2 hours to install, not rocket science, just nuts and bolts to do.

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post #5 of 5 Old 07-09-2017, 06:26 AM
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P0449 Code

It's 2017 and I have my 2010 RS...~49k miles...this code popped up.

At a dealership now and will be replaced on Monday for $860. Not covered under warranty. The 8yr/80k warranty still in effect on my vehicle only basically covers the cat.

I plan on contacting GM again to see if they'll do any type of reimbursement. Good luck on that mess.

Fail on GMs part considering this is now in the engine block on the 2011 model.
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