NHTSA ID Number: 10249609
Manufacturer Communication Number: 09-113-23
Summary
This bulletin announces diagnostic procedures and availability of new Engine Control Module (ECM) reprogramming files to address DTC P2404 (Evap System Leak Detection Pump Sense Circuit Range/Performance) detection.
NUMBER: 09-113-23
DATE: 01/11/24
| APPLICABILITY: | 2017-22MY Forester |
| SUBJECT: | DTC P2404 / Reprogramming Files |
INTRODUCTION:
This bulletin announces diagnostic procedures and availability of new Engine Control Module (ECM) reprogramming files to address DTC P2404 (Evap System Leak Detection Pump Sense Circuit Range/Performance) detection. In rare cases, the internal pump for the Evaporative Leak Check Module (ELCM) system can seize temporarily. The new files contain enhanced logic to prevent the ELCM pump from seizing. If P2404 is found in the fault memory, follow the procedures outlined below.
PAK FILE APPLICABILITY:
These reprogramming files have been included in the October 2023 SSM software update.
6 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
SUBARU | FORESTER | 2017-2022 |
1 Associated Document
Manufacturer Communications
NUMBER: 09-113-23
DATE: 01/11/24
MC-10249609-0001.pdf 743.325KB
Reprogramming
What J2534 reprogramming capabilities are available?
(4a) J2534 Reprogramming
Subaru reprogramming files using a generic (non-OEM) SAEJ2534 pass-thru vehicle programming device are available by contacting Service Technical Information Company toll free at 1-866-428-2278. The cost for the CD-ROM with all reprogramming files is $75.00 plus S/H and applicable state tax. Files will be updated four (4) times per year, in CD-ROM format, with all available reprogramming service information at the same above offered cost. Authorized Subaru Dealers are provided the same reprogramming information.
Before purchasing, the reprogramming details can be found in the following Reprogramming J-2534 Files chart. Click the link to view the PDF chart.
Subaru J2534 Reprogramming software meets the latest available J2534-1 specification. Our Reprogramming J2534 Files chart does not specify the Calibration Identification Number (CID); however, this information is included in our offered CD-Rom.
Note: The ECM or TCM being reprogrammed may already contain some or all of the reprogramming files listed in the Reprogramming J2534 Files chart shown by release date. It is possible to damage the vehicles ECM/TCMduring the reprogramming event. Once the reprogramming process has started, it is recommended not to interrupt the process until the event is completed. If you experience any problems, please contact your scan tool maker for further instructions.
(4b) Are all pre-2004MY Subaru vehicles compatible with J2534?
No. Subaru has no reprogramming capability for model years 1996-1998. Starting with our 1999 model year, please see our Reprogramming Pre-J2534 Files chart for affected model reprogramming information.
Both pre-J2534 reprogramming and J2534 pass thru reprogramming files are included in the offered HDS kit software for aftermarket service provider application.
https://techinfo.subaru.com/
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SEOCONTENT-START
Bulletin Number: 09-113-23; Date: 01/11/24 Page 1 of 10
SERVICE BULLETIN
Continued…
CAUTION: VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS COULD
RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS.
Subaru Service Bulletins are intended for use by professional technicians ONLY. They
are written to inform those technicians of conditions that may occur in some vehicles,
or to provide information that could assist in the proper servicing of the vehicle. Properly
trained technicians have the equipment, tools, safety instructions, and know-how to
do the job correctly and safely. If a condition is described, DO NOT assume that this
Service Bulletin applies to your vehicle, or that your vehicle will have that condition.
Subaru of America, Inc. is
ISO 14001 Compliant
ISO 14001 is the international standard for
excellence in Environmental Management
Systems. Please recycle or dispose of
automotive products in a manner that is friendly
to our environment and in accordance with all
local, state and federal laws and regulations.
NUMBER: 09-113-23
DATE: 01/11/24
APPLICABILITY: 2017-22MY Forester
SUBJECT: DTC P2404 / Reprogramming Files
INTRODUCTION:
This bulletin announces diagnostic procedures and availability of new Engine Control Module (ECM)
reprogramming files to address DTC P2404 (Evap System Leak Detection Pump Sense Circuit
Range/Performance) detection. In rare cases, the internal pump for the Evaporative Leak Check
Module (ELCM) system can seize temporarily. The new files contain enhanced logic to prevent the
ELCM pump from seizing. If P2404 is found in the fault memory, follow the procedures outlined
below.
PAK FILE APPLICABILITY:
These reprogramming files have been included in the October 2023 SSM software update.
ATTENTION:
GENERAL MANAGER q
PARTS MANAGER q
CLAIMS PERSONNEL q
SERVICE MANAGER q
IMPORTANT – All
Service Personnel
Should Read and
Initial in the boxes
provided, right.
©2023 Subaru of America, Inc. All rights reserved.
Bulletin Number: 09-113-23; Date: 01/11/24 Page 2 of 10
Continued…
MY File name Specification Old Part Number
Decryption
Keyword
New CID #
17 22765AH854.pak
2.5L NA,
6MT
22765AH850
22765AH851
22765AH852
22765AH853
67E0C04A EB4L200W
22765AH864.pak
2.5L NA,
CVT
22765AH860
22765AH861
22765AH862
22765AH863
D45ED35A EB4J350R
18
22765AL383.pak
2.5L NA,
6MT
22765AL380
22765AL381
22765AL382
1B3F1BAD EB4P040W
22765AL393.pak
2.5L NA,
CVT
22765AL390
22765AL391
22765AL392
665EE069 EB4S300R
19 22765AL827.pak
2.5L NA,
CVT
22765AL820
22765AL821
22765AL822
22765AL823
22765AL824
22765AL825
22765AL826
A44B186E XE1FB00A
20 22765AN466.pak
2.5L NA,
CVT
22765AN460
22765AN461
22765AN462
22765AN463
22765AN464
22765AN465
585CB1E4 XE1M700a00G
21 22765AR675.pak
2.5L NA,
CVT
22765AR670
22765AR671
22765AR672
22765AR673
22765AR675
67CEEA2A XE1P800a00G
22 22765AR604.pak
2.5L NA,
CVT
22765AR600
22765AR601
22765AR602
22765AR603
E1A8EC6C XE1R600k00G
22 22765AR554.pak
2.5L NA,
CVT
22765AR550
22765AR551
22765AR552
22765AR553
B4E98F7C XE1R600a00G
22 22765AR614.pak
2.5L NA,
CVT
22765AR610
22765AR611
22765AR612
22765AR613
73EC24BE XE1R600z00G
Bulletin Number: 09-113-23; Date: 01/11/24 Page 3 of 10
Continued…
SERVICE PROCEDURE FLOWCHART:
Perform diagnosis following the applicable
Service Manual. Once repaired, perform
the reprogramming procedure outlined in
STEP 11.
Bulletin Number: 09-113-23; Date: 01/11/24 Page 4 of 10
Continued…
Bulletin Number: 09-113-23; Date: 01/11/24 Page 5 of 10
Continued…
SERVICE PROCEDURE / INFORMATION:
STEP 1: Using the Subaru Select Monitor (SSM), check for diagnostic trouble codes. Confirm DTC
P2404 is stored and proceed to the next step.
NOTE: Always save SSM data and record the results of the following tests.
STEP 2: Are any of the diagnostic trouble codes listed below also stored within the ECM?
• P2419 – Evap System Switching Valve Control Circuit Low
• P2420 – Evap System Switching Valve Control Circuit High
• P2401 – Evap System Leak Detection Pump Control Circuit Low
• P2402 – Evap System Leak Detection Pump Control Circuit High
• P24BA – Evap System Leak Detection Pump Pressure Sensor Circuit Low
• P24BB – Evap System Leak Detection Pump Pressure Sensor Circuit High
• P24B9 – Evap System Leak Detection Pump Pressure Sensor Circuit Range/Performance
NO – Proceed to STEP 3.
YES – Perform diagnosis of the DTC(s) following the procedures outlined in
the applicable Service Manual.
Bulletin Number: 09-113-23; Date: 01/11/24 Page 6 of 10
Continued…
STEP 3: Refer to the applicable Service Manual and review: General Description > Repair Contents
Action required before & after Battery Disconnect. Additionally, record any stored seat position(s)
before proceeding. Relearn any seat position memory after work is complete. If the power rear gate
(PRG) height has been customized, that position must also be noted and relearned. CAREFULLY
disconnect the ground terminal from the battery sensor.
STEP 4: CAREFULLY Raise the vehicle and locate the ELCM located behind the fuel tank. Refer to
STIS: Engine > EMISSION CONTROL (AUS. EMISSION CONTROL DEVICES)
STEP 5: CAREFULLY disconnect the ELCM drain tube. Inspect for signs of water or oil.
Have signs of water or oil been detected within the ELCM drain tube?
YES – Clean and dry the drain tube using a non-alcohol base cleaner. Proceed to
STEP 6.
NO – Proceed to STEP 6.
STEP 6: Connect the vehicle to a recommended power supply. See APPENDIX A for additional
information regarding the power supply. Using SSM, perform the Evaporative System Leak Test.
Collect and save all data.
Once the evaporative system leak test is complete, check the DTCs and examine the vacuum value
results. Record the value shown in the row labeled MID: $3C, TID: $C4, and Scaling ID: $FE. This
value should be lower than -0.26 PSI.
Bulletin Number: 09-113-23; Date: 01/11/24 Page 7 of 10
Continued…
Is DTC P2404 stored within the ECM?
NO – Proceed to STEP 7.
YES – Proceed to STEP 8.
STEP 7: Was the vacuum value result observed in STEP 6 found to be lower than -0.26 PSI?
YES – Proceed to STEP 11.
NO – Repeat the Evaporative System Leak Test (outlined in Step 6) then proceed to
STEP 9.
STEP 8: Using SSM, perform the ELCM Pump Active Test for a period of 35 minutes or more. See
APPENDIX A for additional information regarding power supply.
Once the ELCM Pump Active Test has been performed for a period of 35 minutes or more, repeat the
Evaporative System Leak Test outlined in STEP 6. Check the DTCs and the vacuum value results.
Is DTC P2404 stored within the ECM?
NO – Proceed to STEP 7.
YES – Proceed to STEP 8.
STEP 9: Was the vacuum value result observed during the second Evaporative System Leak Test
found to be lower than -0.26 PSI?
YES – Proceed to STEP 11.
NO – Proceed to STEP 10.
Bulletin Number: 09-113-23; Date: 01/11/24 Page 8 of 10
Continued…
STEP 10: Replace the Evaporate Leak Check Module and repeat the Evaporative System Leak Test
outlined in STEP 6. Check the DTCs and the vacuum value results.
Is DTC P2404 stored within the ECM?
NO – Proceed to STEP 11.
YES – Contact Subaru Techline with ability to provide SSM data and the testing results
attained using this bulletin.
STEP 11: Reprogram the ECM following the normal FlashWrite procedure. See APPENDIX A for
addition information regarding power supply.
WARRANTY / CLAIM INFORMATION:
For vehicles within the Basic New Car Limited, an applicable Emission Warranty period or covered
by an active Subaru Added Security Classic or Gold plan, this repair may be submitted using the
following claim information:
Labor Description Labor Operation # Labor Time Fail Code
ECM REPROGRAMMING & DRAIN TUBE CLEAN / EVAP TESTING A455-223 1.0H
UPG-48
LEAK CHECK MODULE R&R AND ECM REPROGRAMMING A455-244 1.9H
IMPORTANT: Always note the original Calibration Identification number (CID) the vehicle came in
with on the repair order before reprogramming and, make sure to list the NEW CID for any newly-installed
programming (as confirmed from the actual control module AFTER installation). The NEW
CID MUST also be noted on the repair order as this information is required for entry in the claim-specific
data field during claim submission.
NOTE: The PAK file listings provided in this bulletin are the latest available at the time of
publishing. Updates are often released thereafter without revision to the original bulletin. For this
reason, it is critical to always have the latest version of Select Monitor software installed on your
system. You can confirm if a later version is available by entering the CID listed in this bulletin into
FlashWrite. If a newer CID is shown as available in FlashWrite, reprogram using that file.
IMPORTANT REMINDERS:
• SOA strongly discourages the printing and/or local storage of service information as previously
released information and electronic publications may be updated at any time.
• Always check for any open recalls or campaigns anytime a vehicle is in for servicing.
• Always refer to STIS for the latest service information before performing any repairs.
Bulletin Number: 09-113-23; Date: 01/11/24 Page 9 of 10
Continued…
APPENDIX A
Subaru of America, Inc. (SOA) highly recommends connecting either the Subaru Midtronics
DCA8000 Dynamic Diagnostic Charging System or the Subaru Midtronics GR8-1100 Diagnostic
Battery Charger to the vehicle in the Power Supply Mode feature anytime a vehicle control module is
being reprogrammed. Once the Midtronics charger is connected to the vehicle, if the battery is fully
charged, it will take less than three (3) minutes to boot-up the charger, select the Power Supply Mode,
and have the battery voltage stabilized and ready for reprogramming.
NOTES:
• For instructions on using the Power Supply Mode, reference the applicable User Manual for
the Midtronics DCA-8000 Dynamic Diagnostic Charging System and the Midtronics GR8-
1100 Diagnostic Battery Charger on STIS.
• Confirm all electrical loads such as lights, audio, HVAC, seat heaters, and rear defroster are all
switched OFF before setting up the charger for Power Supply Mode.
• Select the correct battery type (Enhanced Flooded, Flooded, Gel, AGM or AGM Spiral).
• Input the CCA which matches the vehicle’s battery. NOTE: OE and replacement batteries have
• different CCA ratings. Always confirm the battery’s CCA rating before proceeding.
• If using a DCA-8000 Dynamic Diagnostic Charging System, set the power supply voltage to
• 13.5 Volts.
• DO NOT connect the DST-i or DST-010 until the Power Supply mode function has completed
its battery test mode and the Charging Voltage has dropped to and shows a steady 13.5 Volts on
the display.
• Once Power Supply Mode reaches a steady 13.5 Volts, connect the DST-i or DST-010 to the
OBD connector and proceed with initiating the normal FlashWrite reprogramming process.
• Amperage will fluctuate based upon the vehicle’s demand for power. NOTE: If the voltage
rises beyond 14 Volts while programming is in process, the procedure will abort. This can
indicate a need to test or charge the vehicle battery before any further attempt at programming
is made.
• ALWAYS set the power supply voltage to 13.5 Volts when using Power Supply Mode. NEVER
turn the ignition switch on when charging at voltages 15 Volts or higher.
REMINDER: If the DCA-8000 or GR8-1100 indicates the vehicle’s battery must be charged, charge
the battery fully before proceeding to reprogram the vehicle while using the Power Supply Mode.
NOTE: Control module failures resulting from battery discharge during reprogramming are not a
matter for warranty. Should any DTCs reset after the reprogramming update is performed, diagnose
per the procedure outlined in the applicable Service Manual.
Bulletin Number: 09-113-23; Date: 01/11/24 Page 10 of 10
VERY IMPORTANT:
This information is applicable to the Subaru Midtronics DCA-8000 Dynamic Diagnostic Charging
System and the Subaru Midtronics GR8-1100 Diagnostic Battery Charger ONLY. It does not apply to
any other brand / type of “generic” battery charger whatsoever. ONLY the DCA-8000 and the GR8-
1100 and their Power Supply Mode feature have been tested and approved by SOA.
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SEOCONTENT-END
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