LEMON Manuals: Even more car manuals for everyone
Home >> Acura >> 2014 >> MDX SH-AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System - DTC Diagnostics (2 Of 5) (Except Hybrid) >> DTC Troubleshooting >> DTC P0499

DTC P0499

DTC P0499  : EVAP Canister Vent Shut Valve Circuit High Voltage

DTC Description Confirmed DTC Pending DTC Freeze Frame
P0499 EVAP Canister Vent Shut Valve Circuit High Voltage      

DTC (PGM-FI)

  1. Problem verification

    -1. Turn the vehicle to the ON mode.

    - 2. Clear the DTC with the HDS.

    - 3. Select EVAP TEST in the INSPECTION MENU, and do the EVAP CVS ON in the SINGLE SOLENOID with the HDS.

    SINGLE SOLENOID

    Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC Freeze Frame
    P0499 EVAP Canister Vent Shut Valve Circuit High Voltage      

    Is DTC P0499 indicated?

    YES 

    The failure is duplicated. Update the PCM if it does not have the latest software, or substitute a known-good PCM - Refer to: PCM Removal and Installation (2016), or PCM Removal and Installation (2014 2015) .

    NO 

    Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the EVAP canister vent shut valve and the PCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.