Brands with the Most Models Affected by Code P0449
| Rank | Make | Low | Moderate | High |
|---|---|---|---|---|
|
1 |
Chevrolet |
Malibu, Tahoe, Equinox, Camaro, Cobalt, Suburban, Traverse, Sonic, Cruze, Trailblazer, Silverado 2500 |
Impala, Avalanche, Colorado |
Silverado 1500 |
|
2 |
Nissan |
N/A |
N/A |
Altima |
|
3 |
GMC |
Yukon, Acadia, Envoy, Terrain |
N/A |
Sierra |
|
4 |
Cadillac |
Escalade, SRX, CTS, DeVille, STS |
N/A |
N/A |
|
5 |
Pontiac |
G6, Grand Prix |
N/A |
N/A |
|
6 |
Buick |
LeSabre, Lacrosse, Enclave |
N/A |
N/A |
|
7 |
Toyota |
Corolla, Sequoia |
N/A |
N/A |
|
8 |
Volkswagen |
Jetta, Passat |
N/A |
N/A |
|
9 |
Ford |
Escape, F-350, Fusion |
N/A |
N/A |
|
10 |
Honda |
Pilot |
N/A |
N/A |
Code P0449-related issues impact vehicles from a wide array of manufacturers—SUVs, trucks, and passenger cars are all vulnerable. FIXD sensor data reveal that vehicles most likely to experience a P0449 code are:
Below is an expanded look at how a P0449 code impacts numerous makes and models. This breakdown covers occurrence rates by model year (2000-2023) and separates the frequency into low, moderate, or high levels. The worst of the worst are the six vehicles listed above.
What is the P0449 Code?
The P0449 code indicates an electrical malfunction in the Evaporative Emission (EVAP) system’s vent valve solenoid circuit, which controls fresh air flow into the charcoal canister during vapor purging. This diagnostic trouble code is typically triggered by electrical issues such as damaged or corroded wiring, faulty connectors, a failed solenoid in the vent control valve, or a problem with the engine control module (ECM)/powertrain control module (PCM) driver circuit that controls the valve. While not usually causing immediate drivability issues, this problem needs attention as it can affect emissions compliance, fuel economy, proper EVAP system operation and lead to more expensive repairs.
Read the complete article on P0449 Engine Code | Evaporative Emission Control System Vent Control Circuit Malfunction to discover the trouble areas to consider. This resource also offers tips on diagnosing the problem and what a DIYer can do to tackle a P0449 code independently (and when not to).
Top Models for P0449 Codes
Here’s a look at the makes and models most likely to have P0449 codes, according to FIXD sensor data. The absence of a model year ranking indicates no P0449 code was detected among the analyzed years, insufficient data, or the model wasn’t in production.
Acura
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2007 |
N/A |
N/A |
Buick
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2009, 2012, 2014, 2015, 2016, 2017 |
2010, 2011 |
2008 |
|
|
2005, 2008, 2009, 2010, 2013, 2014, 2015, 2016, 2017 |
2006, 2007, 2011, 2012 |
N/A |
|
|
2004, 2005 |
2001, 2003 |
2002 |
Cadillac
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011, 2014, 2016, 2018, 2020 |
N/A |
2007 |
|
|
2003, 2004, 2005, 2006, 2007, 2008, 2011, 2012, 2017 |
2009, 2010 |
N/A |
|
|
2001, 2002, 2003, 2004 |
2005 |
N/A |
|
|
2004, 2006, 2007, 2008, 2012, 2013, 2014, 2015, 2016 |
2010 |
2011 |
|
|
2006 |
N/A |
N/A |
Chevrolet
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2002, 2005, 2006, 2008, 2009, 2010, 2013 |
2004, 2007, 2011 |
2003 |
|
|
2002, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 |
N/A |
2010 |
|
|
N/A |
2005, 2008, 2009, 2010 |
2006, 2007 |
|
|
2004, 2008, 2009, 2010, 2011, 2012, 2015, 2016, 2017, 2019, 2021 |
2005, 2007 |
2006 |
|
|
2011, 2012, 2013, 2014, 2015, 2016, 2018 |
N/A |
N/A |
|
|
2005, 2006, 2007, 2008, 2009, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
2010 |
2011, 2012, 2013 |
|
|
2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
N/A |
2007 |
|
|
2001, 2002, 2004, 2008, 2012, 2016, 2019, 2020 |
2003, 2005, 2006, 2007, 2009, 2011, 2013, 2015 |
2010, 2014 |
|
|
2001, 2002, 2004, 2007, 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
2003, 2009 |
2005, 2006 |
|
|
2002, 2004 |
N/A |
N/A |
|
|
2013, 2014, 2015, 2016, 2017, 2019 |
2012 |
N/A |
|
|
2001, 2003, 2007, 2008, 2009, 2012, 2014, 2015, 2016, 2018 |
2004, 2006, 2010 |
2005 |
|
|
2001, 2002, 2003, 2004, 2006, 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2019 |
2007, 2009 |
2005 |
|
|
2007 |
2002 |
2008 |
|
|
2010, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
2011 |
2009 |
Chrysler
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2010 |
N/A |
N/A |
Ford
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2012, 2016 |
N/A |
N/A |
|
|
2012 |
N/A |
N/A |
|
|
2017 |
N/A |
N/A |
GMC
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2007, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2017, 2018, 2019 |
N/A |
2008 |
|
|
2005 |
2007, 2008, 2009 |
2006 |
|
|
2001, 2002, 2003, 2004, 2006, 2007, 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
2009 |
2005 |
|
|
2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
N/A |
N/A |
|
|
2001, 2003, 2008, 2010, 2011, 2013, 2014, 2015, 2018, 2019 |
2002, 2004, 2005, 2006, 2009 |
2007 |
Honda
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2010, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
2011 |
2009 |
Jeep
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2006 |
N/A |
N/A |
Kia
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
N/A |
N/A |
2009 |
Nissan
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2001, 2002, 2004, 2007, 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
2003, 2009 |
2005, 2006 |
Pontiac
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2005, 2008, 2010 |
2007, 2009 |
2006 |
|
|
2001, 2002 |
2004, 2006, 2007 |
2005, 2008 |
Toyota
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2005, 2009, 2012, 2015, 2016 |
N/A |
N/A |
|
|
2003 |
N/A |
N/A |
Volkswagen
| Make + Model | Low | Moderate | High |
|---|---|---|---|
|
2004 |
N/A |
N/A |
|
|
2004 |
N/A |
N/A |
^ Beginning with the 2010 model year, Ram was spun off from Dodge and became a separate brand. Ram-branded trucks are often referred to as Dodges, although this is technically not correct.
Source:
Data was collected from installed FIXD sensors in vehicles from the 2000-2023 model years.
Dave Goldberg is an automotive journalist and lifelong car fanatic. He writes for numerous enthusiast and business outlets and is an ongoing contributor to HotCars.com, one of the most popular car culture websites. When he’s not writing or driving, Dave is either under a hood or asleep. His credentials include a BA in Journalism from The George Washington University.
