DTC B1441 Dodge
Evaporative Emission Control System Leak Detected (Very Small Leak)
Evaporative Emission Control System Leak Detected (Very Small Leak)
Description
EVAP key-off monitor runs when all of following conditions are met: Atmospheric pressure: 70 to 110 kPa (525 to 825 mmHg) Battery voltage: 10.5 V or more Vehicle speed: Below 2.5 mph (4 km h) Engine switch: OFF Time after key off: 5, 7 or 9.5 hours EVAP pressure sensor malfunction (P0451, P0452 and P0453): Not detected Purge VSV: Not operated by scan tool Vent valve: Not operated by scan tool Leak detection pump: Not operated by scan tool Both of following conditions are met before key OFF: Conditions 1 and 2 1. Duration that vehicle is being driven: 5 minutes or more 2. EVAP purge operation: Performed ECT: 4.4 to 35°C (40 to 95°F): P0456 IAT:4.4 to 35°C (40 to 95°F): P0456
Cause and Solution
Fuel tank cap (loose) Leakage from EVAP line (Canister - Fuel tank) Leakage from EVAP line (Purge VSV - Canister) Canister pump module Leakage from fuel tank Leakage from canister
Video Guide
Diagnostic Info
- DTC Code: B1441
- Brand: Dodge