DTC P0441 (19-21 9-Speed A/T)

DTC P0441  : Evaporative Emission (EVAP) System Purge Flow Malfunction

NOTE: 

• Before you troubleshoot, review the general troubleshooting information - Refer to: How to Troubleshoot the Fuel and Emissions Systems .
• If DTC P0441 is indicated alone, do the troubleshooting for DTC P04DF and P04F1 using the on-board snapshot for P0441.
• If DTC P04F1 and P0441 are stored at the same time, check for a poor connection, a blockage, or damage at the EVAP canister purge line between the EVAP canister purge valve and the EVAP canister. Also check for a stuck closed EVAP canister purge valve.
• If any of the DTCs listed below are indicated at the same time as DTC P0441, troubleshoot those DTCs first, then recheck for P0441.
• • P04DF, P04F1: EVAP system purge flow

DTC (PGM-FI)

1. DTC check

   - 1. Turn the vehicle to the ON mode.

   - 2. Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC
   P04DF Evaporative Emission (EVAP) System High Purge Flow Detected
   P04F1 Evaporative Emission (EVAP) System Low Purge Flow Detected
   P0441 Evaporative Emission (EVAP) System Purge Flow Malfunction

   Are DTC P04DF or P04F1 and P0441 indicated at the same time?

   YES 

   Go to the indicated DTC's troubleshooting.

   NO 

   Go to the troubleshooting for DTC P04DF  and DTC P04F1  using the on-board snapshot for DTC P0441.