P0496 on Chevrolet Traverse
EVAP System High Purge Flow
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Chevrolet Traverse context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0496.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0496 Means on Your Chevrolet Traverse
P0496 is a diagnostic trouble code indicating: EVAP System High Purge Flow. This code relates to the emission controls system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Chevrolet Traverse Owner Reports
Source: NHTSA Complaints Database
"I have had many ongoing issues since car purchase. electrical , air conditioning and injector issues. car does not seem safe. lights go out every few months whilde driving when it is dark. this is very dangerous."
"So since 8/02/23 when the vehicle had 54,000 miles it began to give electrical problems. I bought the car 01/16/23 it had only 26,000 miles."
"I went to shell and got Gas on september 7th and september 8th when i started."
"I have a 2018 Chevy Traverse that has been running strange lately. The engine seems to run rough hesitating and stalls. Today 4/4/2022 my check engine light came on with code P0496. I turned off engine and attempted to start again."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Chevrolet Traverse
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.