DTC U05A0-00: Invalid Data Received From Evaporative Emission System Leak Detection Control Module: General Description

Natural Vacuum Leakage Detection (NVLD) consists of switch and temperature sensor and it is located between canister and fuel tank air filter. It would be detected a leak in a fuel tank, a canister and hoses.ECM monitors an internal pressure switch for detecting a pressure drop while an engine is shut off. It is assumed that there would be a leak in the sealed system when it detects no change of switch after engine off.