18-219-22

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 INFORMATION BULLETIN
APPLICABILITY: 2012-16MY Impreza						
NUMBER: 18-219-22
		
2012-17MY Crosstrek						
DATE: 05/12/22
		 2014-18MY Forester
SUBJECT:
		
		
Service Manual Correction / DTC C2521
Electric Power Steering (EPS) Motor Malfunction		
and/or DTC 21 Motor Failure 1 (Motor)
INTRODUCTION:
This Service Information Bulletin announces the Service Manual correction for the diagnostic trouble
tree for DTC C2521 and/or DTC 21. Added harness testing has been added to the diagnostic steps.
If DTC C2521 and/or DTC 21 is detected in the applicable models listed above, follow the new
diagnostic information outlined below.
SERVICE PROCEDURE / INFORMATION:
IMPORTANT NOTES:
•
Customer satisfaction and retention starts with performing quality repairs.
•
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.
•
Whenever reconnecting the ground cable terminal to the battery sensor, torque to 7.5Nm
(5.5ft.-lbs. or 66inch-lbs.) while supporting the sensor with the other hand as outlined in the
applicable Service Manual under: STARTING/CHARGING SYSTEMS > Battery Sensor.
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: 18-219-22; Date: 05/12/22
Page 1 of 3
Refer to STIS: Power Steering (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic
Trouble Code (DTC). The information below is to be used in conjunction with the applicable
Service Manual. The additional corrections have been outlined in RED.
STEP A: Checking Connection of the Motor Harness Connector
1. Turn the ignition ON.
2. Disconnect the PS2 connector from the power steering control module.
3. Check the condition of three terminal pins on the motor harness side of the PS2 connector.
Are there any of three terminal pins on the motor harness side of the PS2 connector loose or
unsecured?
Yes
Replace Power Steering Gear Box.
No
Proceed to STEP B.
STEP B: Checking Connection between Motor Harness and Power Steering Control Module
1. Reconnect the PS2 connector to the power steering control module.
When reconnecting the PS2 connector, observe the terminal pin condition. Have any of three
pins become loose or unsecured?
Yes
Replace the power steering gear box.
No
Proceed to STEP 1 in the applicable Service Manual.
Continued...
Bulletin Number: 18-219-22; Date: 05/12/22
Page 2 of 3
NOTE: The procedures in the applicable Service Manual proceeding the outlined steps above remain
unchanged. These steps have been provided below for reference purposes.
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: 18-219-22; Date: 05/12/22
Page 3 of 3