NHTSA ID Number: 10188163
Manufacturer Communication Number: 11-201-21
This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address DTC P0116 and hard starting in cold temperature concerns when an accessory engine block heater is utilized.
16 Affected Products
|APPLICABILITY:||2015-19MY Legacy and Outback 3.6L Models|
2015-20MY WRX STI (2.5L)
|SUBJECT:||DTC P0116 and / or Hard Starting in Cold Weather on Vehicles Equipped with Block Heater Accessory|
This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address DTC P0116 and hard starting in cold temperature concerns when an accessory engine block heater is utilized on the models listed above. When the block heater is used, the ECM detects a conflict between the warmed coolant and temperature inputs from other sensors. This causes the ECM to go into a fail-safe mode resulting in the hard-starting condition due to an improper fuel mixture.
PRODUCTION CHANGE INFORMATION:
This bulletin will be updated with starting VIN information when it becomes available.
PACK FILE APPLICABILITY:
|Model||PAK File Name||New ECM Part Number||Old ECM Part Numbers||Decryption Keyword||New ECM CID Number|
|2015MY Legacy and Outback 3.6L||22765AF45F.pak||22765AF45F||22765AF45A,|
|2016MY Legacy and Outback 3.6L||22765AJ17D.pak||22765AJ17D||22765AJ17A,|
|2017MY Legacy and Outback 3.6L||22765AK31E.pak||22765AK31E||22765AK31A,|
|2018MY Legacy and Outback 3.6L||22765AK89C.pak||22765AK89C||22765AK89A &|
|2019MY Legacy and Outback 3.6L||22765AN11C.pak||22765AN11C||22765AN11A &|
|2015 WRX STI 2.5L||22765AF582.pak||22765AF582||22765AF580 &|
|2016 WRX STI 2.5L||22765AH603.pak||22765AH603||22765AH600,|
|2017 WRX STI 2.5L||22765AK173.pak||22765AK173||22765AK170,|
|2018 WRX STI 2.5L||22765AK922.pak||22765AK922||22765AK920 &|
|2018 WRX STI 2.5L Type RA||22765AM271.pak||22765AM271||22765AM270||29B4FCD5||AE5Z120W|
|2019 WRX STI 2.5L||22765AM461.pak||22765AM461||22765AM460||4D525EDC||AE5Z330V|
|2020 WRX STI 2.5L||22765AN541.pak||22765AN541||22765AN540||598CCAEB||AE5Z510V00G|
REMINDER: Customer satisfaction and retention starts with performing quality repairs.
- It is strongly recommended to view / save all related Freeze-Frame Data (FFD) for historical DTCs before clearing the ECM memory.
- Once any FFD is saved, clear the ECM to remove historical DTCs prior to attempting programming of the ECM.
- NEVER attempt to update an ECM with any current DTCs. Diagnose and repair those DTCs before attempting ECM update following the applicable Service Manual procedures.
- NEVER attempt to update an ECM with a modified / recalibrated CID. When in doubt, always confirm the CID as OEM with Techline before proceeding.
Reprogram the ECM following the normal FlashWrite procedure.
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 and utilizing 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 takes 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.
- 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 GR81100 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 (Flooded, EFB, 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 SDI 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 SDI 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 14V 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.
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 GR81100 and their Power Supply Mode feature have been tested and approved by SOA.
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.
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 #||Fail Code||Labor Time|
|MFI OBDII ECM Reprogramming||A455-288||UPG-48||0.4|
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 Miscellaneous Detail 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.
- 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 refer to STIS for the latest service information before performing any repairs.
1 Associated Document
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.
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.
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Last update on 2021-11-27 / Affiliate links / Images from Amazon Product Advertising API
Last update on 2021-11-27 / Affiliate links / Images from Amazon Product Advertising API