ECD SYSTEM(w/ Urea SCR System), Diagnostic DTC:P209F, P20BA

DTC Code DTC Name
P209F Reductant Tank Heater Control Circuit Performance
P20BA Reductant Heater "A" Control Circuit Performance

DESCRIPTION

Refer to DTC P202B.

Click here

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P209F Reductant Tank Heater Control Circuit Performance When the tank heater is operating (temperature sensor value is equal to or less than a fixed value), overcurrent is detected multiple times (1 trip detection logic). Urea pump Comes on DTC stored
P20BA Reductant Heater "A" Control Circuit Performance When the urea tube with heater is operating (ambient temperature sensor value is equal to or less than a fixed value), overcurrent is detected multiple times (1 trip detection logic). Urea tube with heater assembly Comes on DTC stored

CONFIRMATION DRIVING PATTERN

DTC No. DTC Detection Drive Pattern
P209F Reductant Tank Heater (Active Test)
P20BA Reductant Pipe Heater (Active Test)

CAUTION / NOTICE / HINT

Tech Tips

Read freeze frame data using the GTS. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, and other data from the time the malfunction occurred.

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON and turn the GTS on.

    3. Enter the following menus: Powertrain / Engine / Trouble Codes.

    4. Read the DTCs.


      Powertrain > Engine > Trouble Codes
      Result
      Result Proceed to
      DTC P209F or P20BA is output A
      DTC P209F or P20BA and other DTCs are output* B

      Tech Tips

      *: If any other DTCs (CAN communication malfunctions or open/short circuits) are output, perform troubleshooting for those DTCs first.


    B

    GO TO DTC CHART Click here

    A

  2. CHECK AROUND BOTTOM OF VEHICLE


    1. Check around the bottom of the vehicle.

      Tech Tips

      If the urea solution dries on an object, deposition occurs and leaves behind a white powder.

      Area to check:


      • Areas connecting the urea pump and urea injector set.

      • Perforations in the urea tank sub-assembly.

      • Connectors not connected properly.

      • Clogging of the cooling fins of the urea injector set.

        Tech Tips

        If the cooling fins are clogged with foreign matter, remove the foreign matter and clean the cooling fins.

    2. Repair any trouble areas.

      Result
      Proceed to
      NEXT

    NEXT

  3. PERFORM ACTIVE TEST USING GTS (REDUCTANT PURGE)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON and turn the GTS on.

    3. Clear the DTCs.


      Powertrain > Engine > Clear DTCs

    4. Turn the ignition switch off and wait for at least 30 seconds.

    5. Turn the ignition switch to ON and turn the GTS on.

    6. Enter the following menus: Powertrain / Engine / Active Test / Reductant Pump Check (Backward).

    7. Perform the Active Test.


      Powertrain > Engine > Active Test
      Tester Display
      Reductant Pump Check (Backward)

    8. Enter the following menus: Powertrain / Engine / Active Test / Reductant Purge.

    9. Perform the Active Test.

      Tech Tips

      Perform the Reductant Purge to draw the urea solution back into the urea tank sub-assembly from the urea injector set.


      Powertrain > Engine > Active Test
      Tester Display
      Reductant Purge
      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK DTC OUTPUT (DTC P209F)


    1. Enter the following menus: Powertrain / Engine / Active Test / Reductant Tank Heater.

    2. Perform the Active Test.


      Powertrain > Engine > Active Test
      Tester Display
      Reductant Tank Heater

    3. Enter the following menus: Powertrain / Engine / Trouble Codes.

    4. Read the DTCs.


      Powertrain > Engine > Trouble Codes
      Result
      Result Proceed to
      DTC P209F is output A
      No DTC is output B

    B

    CHECK DTC OUTPUT (DTC P20BA) Click here

    A

  5. REPLACE UREA PUMP


    1. Replace the urea pump.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    GO TO STEP 8 Click here

  6. CHECK DTC OUTPUT (DTC P20BA)


    1. Enter the following menus: Powertrain / Engine / Active Test / Reductant Pipe Heater.

    2. Perform the Active Test.


      Powertrain > Engine > Active Test
      Tester Display
      Reductant Pipe Heater

    3. Enter the following menus: Powertrain / Engine / Trouble Codes.

    4. Read the DTCs.


      Powertrain > Engine > Trouble Codes
      Result
      Result Proceed to
      DTC P20BA is output A
      No DTC is output B

    B

    GO TO STEP 8 Click here

    A

  7. REPLACE UREA TUBE WITH HEATER ASSEMBLY


    1. Replace the urea tube with heater assembly.

      Result
      Proceed to
      NEXT

    NEXT

  8. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON and turn the GTS on.

    3. Clear the DTCs.


      Powertrain > Engine > Clear DTCs

    4. Turn the ignition switch off and wait for at least 30 seconds.

    5. Turn the ignition switch to ON and turn the GTS on.

    6. Using the GTS, perform the following Active Tests.


      • To check DTC P209F:

        Enter the following menus: Powertrain / Engine / Active Test / Reductant Tank Heater.

      • To check DTC P20BA:

        Enter the following menus: Powertrain / Engine / Active Test / Reductant Pipe Heater.

    7. Enter the following menus: Powertrain / Engine / Trouble Codes.

    8. Confirm that the DTC is not output again.


      Powertrain > Engine > Trouble Codes
      Result
      Proceed to
      NEXT

    NEXT

    END