DTC P203F:00 [PCM (SKYACTIV-D 2.2)]

DTC P203F:00	Reductant Level Too Low
DETECTION CONDITION	• Any one of the following conditions is met: ― When the value of the remaining travelable distance received from the dosing control control is less than 2400 km {1491 mile}for 5 s. ― When the AdBlue^® level received from the dosing control unit is low for 1 min. Diagnostic support note • This is a continuous monitor (other). • The selective catalytic reduction (SCR) warning light illuminates or flashes if the PCM detects the above malfunction condition during the first drive cycle. • FREEZE FRAME DATA is not available. • Snapshot data is available. • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	• The instrument cluster warns the driver with the following functions. ― Selective catalytic reduction (SCR) system warning light ― Buzzer ― Message Note • The remaining distance to empty is a maximum of 2400 km {1491 mile} until the AdBlue^® is refilled above 5 L . This distance is displayed in the instrument cluster and counts down until the AdBlue^® is refilled above 5 L . • Perform the following restrictions while driving the vehicle according to the remaining distance to empty. ― 2400 to 700 km {1491 to 435 miles}: No restriction ― 700 to 0 km {435 to 0 miles}: Maximum vehicle speed is restricted from 80 to 50 km/h {50 to 31 mph} ― 0 to 322 km {0 to 200 miles}: Maximum vehicle speed 48 km/h {30 mph} is restricted ― 0 km {0 miles} No restart Engine
POSSIBLE CAUSE	• Lack of AdBlue^® • PCM connector or terminals malfunction • Urea level sensor connector or terminals malfunction • Dosing control unit connector or terminals malfunction • Urea level sensor malfunction • PCM malfunction • Dosing control malfunction
SYSTEM WIRING DIAGRAM	Not applicable

DTC P203F:00

Reductant Level Too Low

DETECTION CONDITION

• Any one of the following conditions is met:

― When the value of the remaining travelable distance received from the dosing control control is less than 2400 km {1491 mile}for 5 s.

― When the AdBlue^® level received from the dosing control unit is low for 1 min.

Diagnostic support note

• This is a continuous monitor (other).

• The selective catalytic reduction (SCR) warning light illuminates or flashes if the PCM detects the above malfunction condition during the first drive cycle.

• FREEZE FRAME DATA is not available.

• Snapshot data is available.

• DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

• The instrument cluster warns the driver with the following functions.

― Selective catalytic reduction (SCR) system warning light

― Buzzer

― Message

Note

• The remaining distance to empty is a maximum of 2400 km {1491 mile} until the AdBlue^® is refilled above 5 L . This distance is displayed in the instrument cluster and counts down until the AdBlue^® is refilled above 5 L .

• Perform the following restrictions while driving the vehicle according to the remaining distance to empty.

― 2400 to 700 km {1491 to 435 miles}: No restriction

― 700 to 0 km {435 to 0 miles}: Maximum vehicle speed is restricted from 80 to 50 km/h {50 to 31 mph}

― 0 to 322 km {0 to 200 miles}: Maximum vehicle speed 48 km/h {30 mph} is restricted

― 0 km {0 miles} No restart Engine

POSSIBLE CAUSE

• Lack of AdBlue^®

• PCM connector or terminals malfunction

• Urea level sensor connector or terminals malfunction

• Dosing control unit connector or terminals malfunction

• Urea level sensor malfunction

• PCM malfunction

• Dosing control malfunction

SYSTEM WIRING DIAGRAM

Not applicable

• The replenishment amount (reference) according to the AdBlue^® level (%) indication is as follows:

Percentage (%) indication for remaining amount

Reference replenishment amount*

100—75

Replenishment unnecessary

70—65

About 5L {5 US qt, 4 Imp qt}

60—55

About 6L {6 US qt, 5 Imp qt}

50—40

About 7L {7 US qt, 6 Imp qt}

35—30

About 8L {9.5 US qt, 8 Imp qt}

25—20

About 9L {9.5 US qt, 8 Imp qt}

15

About 10L {11 US qt, 8.8 Imp qt}

10—0

About 11L {12 US qt, 9.7 Imp qt}

Percentage (%) indication for remaining amount	Reference replenishment amount*
100—75	Replenishment unnecessary
70—65	About 5L {5 US qt, 4 Imp qt}
60—55	About 6L {6 US qt, 5 Imp qt}
50—40	About 7L {7 US qt, 6 Imp qt}
35—30	About 8L {9.5 US qt, 8 Imp qt}
25—20	About 9L {9.5 US qt, 8 Imp qt}
15	About 10L {11 US qt, 8.8 Imp qt}
10—0	About 11L {12 US qt, 9.7 Imp qt}

*:Even if AdBlue^® is added at the indicated replenishment amount,100% may not be indicated on the display

STEP	INSPECTION	ACTION
1	RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION Note • Recording can be facilitated using the screen capture function of the PC. • Record the snapshot data on the repair order.	—	Go to the next step.
2	VERIFY RELATED SERVICE INFORMATION AVAILABILITY • Verify related Service Bulletins and/or on-line repair information availability. • Is any related Service Information available?	Yes	Perform repair or diagnosis according to the available Service Information. • If the vehicle is not repaired, go to the next step.
No	Go to the next step.
3	VERIFY RELATED PENDING CODE AND/OR DTC • Switch the ignition off, then ON (engine off). • Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)].) • Are any other PENDING CODEs and/or DTCs present?	Yes	Go to the applicable PENDING CODE or DTC inspection. (See DTC TABLE [PCM (SKYACTIV-D 2.2)].)
No	Go to the next step.
4	VERIFY DOSING CONTROL UNIT RELATED DTC • Retrieve dosing control unit DTCs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [DOSING CONTROL UNIT (SKYACTIV-D 2.2)].) • Are any other PENDING CODEs and/or DTCs present?	Yes	Go to the applicable PENDING CODE or DTC inspection. (See DTC TABLE [DOSING CONTROL UNIT (SKYACTIV-D 2.2)].)
No	Go to the next step.
5	VERIFY IF AdBlue^® IS FROZEN • Verify the ambient temperature. • Is the ambient temperature below freezing?	Yes	Start the engine, warm up the engine for 1 h, and then go to the next step.
No	Go to the next step.
6	DETERMINE IF MALFUNCTION IS DUE TO LACK OF REMAINING AdBlue^® • Position the vehicle on level ground. • Switch the ignition off. • Refill the AdBlue^®above 5 L {5 US qt, 4 Imp qt}. (See AdBlue® REPLACEMENT [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off) for 1 min. • Perform the “Reset for urea tank level” procedure using the M-MDS. (See AdBlue® REPLACEMENT [SKYACTIV-D 2.2].) • Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC [PCM (SKYACTIV-D 2.2)].) • Verify that there is no warning message indicating that there is a low level of AdBlue® in the multi-information display. Note • Switch the ignition from ON (engine off) to OFF and then switch it ON (engine off) again to cancel the vehicle speed restriction. • Switch the ignition off. • Switch the ignition ON (engine off). • Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)].) Note • If the refueling amount is low, the PCM stored DTC P203F:00 continues. • Is the DTC P203F:00 present?	Yes	Go to the next step.
No	Any other PENDING CODEs and/or DTCs are present: • Go to the applicable DTC inspection. (See DTC TABLE [PCM (SKYACTIV-D 2.2)].) Any other PENDING CODEs and/or DTCs are not present: • The cause of this DTC is low AdBlue^® level. ― DTC troubleshooting completed.
7	INSPECT UREA LEVEL SENSOR • Inspect the urea level sensor. (See UREA LEVEL SENSOR INSPECTION [SKYACTIV-D 2.2].) • Is there any malfunction?	Yes	Replace the urea level sensor, then go to the next step. (See UREA LEVEL SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)
No	Go to the next step.
8	INSPECT PCM CONNECTOR CONDITION • Disconnect the PCM connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 11.
No	Go to the next step.
9	INSPECT DOSING CONTROL UNIT CONNECTOR CONDITION • Disconnect the dosing control unit connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 11.
No	Go to the next step.
10	INSPECT UREA LEVEL SENSOR CONNECTOR CONDITION • Disconnect the urea level sensor connector connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 11.
No	Go to the next step.
11	DETERMINE IF MALFUNCTION IS DUE TO LACK OF REMAINING AdBlue^® • Always reconnect all disconnected connectors. • Position the vehicle on level ground. • Perform the “Reset for urea tank level” procedure using the M-MDS. (See AdBlue® REPLACEMENT [SKYACTIV-D 2.2].) • Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC [PCM (SKYACTIV-D 2.2)].) • Verify that there is no warning message indicating that there is a low level of AdBlue® in the multi-information display. Note • Switch the ignition from ON (engine off) to OFF and then switch it ON (engine off) again to cancel the vehicle speed restriction. • Switch the ignition off. • Switch the ignition ON (engine off). • Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)].) • Is the PENDING CODE for this DTC present?	Yes	Repeat the inspection from Step 1. • If the malfunction recurs, replace the PCM. (See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].) Go to the next step.
No	Go to the next step.
12	VERIFY AFTER REPAIR PROCEDURE • Perform the “AFTER REPAIR PROCEDURE”. (See AFTER REPAIR PROCEDURE [PCM (SKYACTIV-D 2.2)].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [PCM (SKYACTIV-D 2.2)].)
No	DTC troubleshooting completed.

STEP

INSPECTION

ACTION

RECORD VEHICLE STATUS AT TIME OF DTC DETECTION TO UTILIZE WITH REPEATABILITY VERIFICATION

Note

• Recording can be facilitated using the screen capture function of the PC.

• Record the snapshot data on the repair order.

—

Go to the next step.

VERIFY RELATED SERVICE INFORMATION AVAILABILITY

• Verify related Service Bulletins and/or on-line repair information availability.

• Is any related Service Information available?

Yes

Perform repair or diagnosis according to the available Service Information.

• If the vehicle is not repaired, go to the next step.

Go to the next step.

VERIFY RELATED PENDING CODE AND/OR DTC

• Switch the ignition off, then ON (engine off).

• Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.

(See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)].)

• Are any other PENDING CODEs and/or DTCs present?

Yes

Go to the applicable PENDING CODE or DTC inspection.

(See DTC TABLE [PCM (SKYACTIV-D 2.2)].)

Go to the next step.

VERIFY DOSING CONTROL UNIT RELATED DTC

• Retrieve dosing control unit DTCs using the M-MDS.

(See ON-BOARD DIAGNOSTIC TEST [DOSING CONTROL UNIT (SKYACTIV-D 2.2)].)

• Are any other PENDING CODEs and/or DTCs present?

Yes

Go to the applicable PENDING CODE or DTC inspection.

(See DTC TABLE [DOSING CONTROL UNIT (SKYACTIV-D 2.2)].)

Go to the next step.

VERIFY IF AdBlue^® IS FROZEN

• Verify the ambient temperature.

• Is the ambient temperature below freezing?

Yes

Start the engine, warm up the engine for 1 h, and then go to the next step.

Go to the next step.

DETERMINE IF MALFUNCTION IS DUE TO LACK OF REMAINING AdBlue^®

• Position the vehicle on level ground.

• Switch the ignition off.

• Refill the AdBlue^®above 5 L {5 US qt, 4 Imp qt}.

(See AdBlue® REPLACEMENT [SKYACTIV-D 2.2].)

• Switch the ignition ON (engine off) for 1 min.

• Perform the “Reset for urea tank level” procedure using the M-MDS.

(See AdBlue® REPLACEMENT [SKYACTIV-D 2.2].)

• Clear the DTC from the PCM memory using the M-MDS.

(See CLEARING DTC [PCM (SKYACTIV-D 2.2)].)

• Verify that there is no warning message indicating that there is a low level of AdBlue® in the multi-information display.

Note

• Switch the ignition from ON (engine off) to OFF and then switch it ON (engine off) again to cancel the vehicle speed restriction.

• Switch the ignition off.

• Switch the ignition ON (engine off).

• Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.

(See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)].)

Note

• If the refueling amount is low, the PCM stored DTC P203F:00 continues.

• Is the DTC P203F:00 present?

Yes

Go to the next step.

Any other PENDING CODEs and/or DTCs are present:

• Go to the applicable DTC inspection.

(See DTC TABLE [PCM (SKYACTIV-D 2.2)].)

Any other PENDING CODEs and/or DTCs are not present:

• The cause of this DTC is low AdBlue^® level.

― DTC troubleshooting completed.

INSPECT UREA LEVEL SENSOR

• Inspect the urea level sensor.

(See UREA LEVEL SENSOR INSPECTION [SKYACTIV-D 2.2].)

• Is there any malfunction?

Yes

Replace the urea level sensor, then go to the next step.

(See UREA LEVEL SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

Go to the next step.

INSPECT PCM CONNECTOR CONDITION

• Disconnect the PCM connector.

• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

• Is there any malfunction?

Yes

Repair or replace the connector and/or terminals, then go to Step 11.

Go to the next step.

INSPECT DOSING CONTROL UNIT CONNECTOR CONDITION

• Disconnect the dosing control unit connector.

• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

• Is there any malfunction?

Yes

Repair or replace the connector and/or terminals, then go to Step 11.

Go to the next step.

INSPECT UREA LEVEL SENSOR CONNECTOR CONDITION

• Disconnect the urea level sensor connector connector.

• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

• Is there any malfunction?

Yes

Repair or replace the connector and/or terminals, then go to Step 11.

Go to the next step.

DETERMINE IF MALFUNCTION IS DUE TO LACK OF REMAINING AdBlue^®

• Always reconnect all disconnected connectors.

• Position the vehicle on level ground.

• Perform the “Reset for urea tank level” procedure using the M-MDS.

(See AdBlue® REPLACEMENT [SKYACTIV-D 2.2].)

• Clear the DTC from the PCM memory using the M-MDS.

(See CLEARING DTC [PCM (SKYACTIV-D 2.2)].)

• Verify that there is no warning message indicating that there is a low level of AdBlue® in the multi-information display.

Note

• Switch the ignition from ON (engine off) to OFF and then switch it ON (engine off) again to cancel the vehicle speed restriction.

• Switch the ignition off.

• Switch the ignition ON (engine off).

• Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.

(See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)].)

• Is the PENDING CODE for this DTC present?

Yes

Repeat the inspection from Step 1.

• If the malfunction recurs, replace the PCM.

(See PCM REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

Go to the next step.

VERIFY AFTER REPAIR PROCEDURE

• Perform the “AFTER REPAIR PROCEDURE”.

(See AFTER REPAIR PROCEDURE [PCM (SKYACTIV-D 2.2)].)

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [PCM (SKYACTIV-D 2.2)].)

DTC troubleshooting completed.