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Home › Acura › 2020 › RDX Base › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTC Diagnostics (P0300 - P1658) › DTC Troubleshooting › DTC P0499 › Overview

DTC P0499: Overview

If the EVAP canister vent shut valve return signal is ON while the PCM outputs an OFF signal, the PCM determines an abnormality and stores the DTC.