●Axuva AutoScan is now available on iOS and Android. Download free →
Axuva AutoScan
AXUVAAutoScan
Home›OBD Guide›P0455
P0455OBD-II Code

Understanding Code P0455: Evaporative Emission Control System Large Leak Detected

Code P0455 indicates a large leak in the evaporative emission control system, often related to issues with the fuel cap or EVAP hoses.

Severity
LOW
Content Type
Diagnostic Guide
⚠️
DIAGNOSTIC INFORMATION ONLY
Axuva provides fault code identification and general diagnostic information. Results may vary based on vehicle condition.
Diagnostic Information

The P0455 code signifies that the vehicle's onboard diagnostic system has detected a large leak in the evaporative emission control (EVAP) system. This system is crucial for preventing fuel vapors from escaping into the atmosphere. Common causes of this code include a missing, loose, or damaged fuel cap, a large crack or disconnected EVAP hose, a failed purge or vent valve, a damaged fuel tank, or a disconnected EVAP line at the fuel tank or canister. While the severity of this issue is low, it is important to address it to ensure proper vehicle emissions and efficiency.

📋
Verified Diagnostic Data
Diagnostic data verified against SAE J2012 standards and real-world vehicle scans.

SCAN YOUR
CAR NOW

Get an accurate diagnosis using your exact vehicle data. Free to scan with any BLE OBD-II adapter.

Download AxuvaLearn More
Share