NHTSA ID Number: 10215432
Manufacturer Communication Number: 09-88-22
TSB/Document Date: 2022-07-07
Summary
This bulletin announces availability of new reprograming files for the Engine Control Module (ECM).
ATTENTION:
GENERAL MANAGER
q
PARTS MANAGER
q
CLAIMS PERSONNEL
q
IMPORTANT - All
Service Personnel
Should Read and
Initial in the boxes
provided, right.
SERVICE MANAGER
q
© 2022 Subaru
of America, Inc. All rights reserved.
SERVICE BULLETIN
APPLICABILITY: 2020-22MY Legacy & Outback 2.4L
2019-22MY Ascent
2022MY WRX
SUBJECT:
NUMBER: 09-88-22
DATE: 06/29/22
P0890 TCM Power Relay Sense Circuit
Improper Low Engine Oil Lamp Illumination
INTRODUCTION:
This bulletin announces availability of new reprograming files for the Engine Control Module
(ECM). These files have been developed to address concerns of the starter motor not operating.
While attempting a restart after a short drive cycle in low ambient temperatures (less than 0 Degrees
Celsius / 32 Degrees Fahrenheit), the starter motor may not operate. DTC P0890 (TCM Power Relay
Sense Circuit Low) will likely be stored in the ECM under this condition. Condensed moisture in
the ignition relay can cause the contact points to freeze under these conditions. The vehicle may also
display an improper low engine oil warning lamp illumination. The new logic enhances the relay selfshutdown program, eliminating the possibility of frozen relay contacts.
PRODUCTION CHANGE INFORMATION:
The new logic has been incorporated into vehicle production as per the table below.
Model
Starting VIN
Outback
N3014911
Legacy
N3196729
Ascent
N3424140
WRX MT
N9008518
WRX CVT
N8008774
SERVICE PROCEDURE / INFORMATION:
REMINDER: Customer satisfaction and retention starts with performing quality repairs.
•
Reprogram the ECM following the normal FlashWrite procedure.
•
See the information below for pak file applicability.
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.
Continued...
Bulletin Number: 09-88-22; Date: 06/29/22
Page 1 of 5
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.
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 (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.
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.
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 GR81100 and their Power Supply Mode feature have been tested and approved by SOA.
Continued...
Bulletin Number: 09-88-22; Date: 06/29/22
Page 2 of 5
PAK FILE APPLICABILITY:
MY
Model
Specification
Old CID #
File Name
Decryption Keyword
New CID #
22765AL730
22765AL731
22765AL732
2019
Ascent
22765AL733
22765AL737.pak
045FDFFE
LT8D900A
22765AL734
22765AL735
22765AL736
MY
Model
Specification
Old CID #
File Name
Decryption Keyword
New CID #
22765AM975.pk2
518C182E
LG7D700B00G
22765AM975.pk2
518C182E
LG7D700B00G
22765AN504.pak
EBEF4259
LT8F400C00G
LG7D100B00G
LG7D200B00G
LG7D201B00G
Legacy
2.4L Turbo, CVT
LG7D310B00G
LG7D320B00G
LG7D420B00G
LG7D430B00G
LG7D500B00G
LG7D501B00G
LG7D100B00G
LG7D200B00G
2020
LG7D201B00G
LG7D310B00G
Outback
2.4L Turbo, CVT
LG7D320B00G
LG7D420B00G
LG7D430B00G
LG7D500B00G
LG7D501B00G
22765AN500
Ascent
2.4L Turbo, CVT
22765AN501
22765AN502
22765AN503
Continued...
Bulletin Number: 09-88-22; Date: 06/29/22
Page 3 of 5
MY
Model
Specification
Old CID #
File Name
Decryption Keyword
New CID #
22765AR243.pk2
5315EEB2
LG7F400F00G
22765AR243.pk2
5315EEB2
LG7F400F00G
22765AP822.pak
F0109D54
LT8H400D00G
LG7F000F00G
Legacy
2.4L Turbo, CVT
LG7F100F00G
LG7F300F00G
LG7F301F00G
LG7F000F00G
2021
Outback
2.4L Turbo, CVT
LG7F100F00G
LG7F300F00G
LG7F301F00G
Ascent
MY
2.4L Turbo, CVT
Model
Legacy
Outback
22765AP820
22765AP821
Specification
Old CID #
File Name
Decryption Keyword
New CID #
2.5L NA, CVT
XE1Q000m00G
22765AS22B.pk2
CA8D6EE9
XE1Q200m00G
2.4L Turbo, CVT
LG7G100G00G
22765AR991.pk2
9E5F5650
LG7G300G00G
2.5L NA, CVT
XE1Q000n00G
22765AS23B.pk2
E74F2B87
XE1Q200n00G
LG7G100G00G
22765AR991.pk2
9E5F5650
LG7G300G00G
22765AR251.pk2
D424CE99
LG7G300H00G
22765AS001.pak
434B8CBA
LT8J300F00G
22765AR881.pak2
E892629A
LHBH800C00G
22765AR891.pak2
00B770ED
LHBH800B00G
Outback
Wilderness
2.4L Turbo, CVT
Ascent
2.4L Turbo, CVT
LG7G000H00G
LG7G100H00G
LT8J100F00G
LHBH610C006
LHBH700C006
LHBH710C006
2022
2.4L DIT, CVT
LHBH720C006
LHBH730C006
LHBH731C006
LHBH740C006
WRX
LHBH610B00G
LHBH700B00G
LHBH710B00G
2.4L DIT, MT
LHBH720B00G
LHBH730B00G
LHBH731B00G
LHBH740B00G
WARRANTY / CLAIM INFORMATION:
For vehicles within the Basic New Car Limited Warranty period, 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
Continued...
Bulletin Number: 09-88-22; Date: 06/29/22
Page 4 of 5
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 newlyinstalled 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.
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: 09-88-22; Date: 06/29/22
Page 5 of 5
- 3X Stronger than the leading full synthetic*
- 10X Better high stress performance**
- 20,000 miles between oil changes***
- Viscosity breakdown as measured in Kurt Orbahn test on 5W...
- As measured in Seq IX test under high load/torque conditions...
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TSB/Document ID: 09-88-22
Replacement Service Bulletin Number:
MFR Communication Date: 2022-06-29
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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