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DTC P04CD

DTC P04CD  : Fuel Fill Door Opener Switch Circuit ON Stuck

NOTE: Before you troubleshoot, review the general troubleshooting information .
DTC Description Confirmed DTC Pending DTC
P04CD Fuel Fill Door Opener Switch Circuit ON Stuck    

DTC (PGM-FI)

  1. Fuel fill door opener switch installation check

    -1. Check the installation of the fuel fill door opener switch .

    Is the switch installed correctly?

    YES 

    Go to step 2.

    NO 

    Reinstall the fuel fill door opener switch .

  2. Problem verification

    -1. Turn the vehicle to the ON mode.

    -2. Check the parameter(s) below with the HDS while operating the fuel fill door opener switch.

    Signal Current conditions
    Values Unit
    Lid Open Close Condition    

    Data List

    Does the value change?

    YES 

    Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the fuel fill door opener switch and the PCM. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot.

    NO 

    Go to step 3.

  3. Fuel fill door opener switch test

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Test the fuel fill door opener switch .

    Is the switch OK?

    YES 

    Go to step 4.

    NO 

    Replace the fuel fill door opener switch .

  4. Shorted wire check (FUEL REQ SW line to power)

    -1. Jump the SCS line with the HDS, and wait more than 1 second.

    -2. Disconnect the following connectors.

    Fuel fill door opener switch 4P connector
    PCM connector A (50P)

    -3. Exit the SCS mode with the HDS.

    -4. Turn the vehicle to the ON mode.

    -5. Measure the voltage between test points 1 and 2.

    Test condition Vehicle ON mode
      Fuel fill door opener switch 4P connector: disconnected
      PCM connector A (50P): disconnected
    Test point 1 PCM connector A (50P) No. 41
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    Repair a short to power in the FUEL REQ SW wire between the PCM (A41) and the fuel fill door opener switch.

    NO 

    Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM .