Technical Service Bulletins (TSBs) for the 2001 Impreza are official communications between Subaru & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    SUSPENSION:FRONT:WHEEL BEARING

    • TSB #035002

      Date Announced:
      DEC 23, 2002
      NHTSA ID:
      #10000642

      NEW PROCEDURE FOR REPLACING REAR WHEEL BEARINGS. *TT Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #06-68-19R

      Date Announced:
      JUL 11, 2019
      NHTSA ID:
      #10163525

      This Service Information bulletin announces instruction for application of additional lubrication between the brake caliper support and pad clips. Read More »

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

    • TSB #063304

      Date Announced:
      FEB 15, 2004
      NHTSA ID:
      #10006340

      DISC BRAKE PAD MODIFICATION FOR UNEVEN OR PREMATURE WORN BRAKE PADS. *TT Read More »

    SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

    • TSB #063103

      Date Announced:
      DEC 08, 2004
      NHTSA ID:
      #10002989

      REPLACEMENT OF THE ELECTRONIC CONTROL UNIT (ECU) FOR ANTI-LOCK BRAKE SYSTEM (ABS) REPAIR. *TT UPDATE. *TT Read More »

    ENGINE (PWS)

    ENGINE AND ENGINE COOLING

    • TSB #09-51-08R

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10198749

      This bulletin is to advise of SOAa??s revised catalytic converter recycling program shipping procedure. Read More »

    • TSB #03-82-18R

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10186364

      This bulletin announces a design change to the clutch release bearing. Read More »

    • TSB #03-82-18R

      Date Announced:
      AUG 26, 2020
      NHTSA ID:
      #10179416

      This service information bulletin announces a design change to the clutch release bearing used on the models listed. Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #029605

      Date Announced:
      SEP 09, 2005
      NHTSA ID:
      #10016869

      2.5L REMANUFACTURED SOHC SHORT BLOCK RELEASE. *TT Read More »

    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

    • TSB #02

      Date Announced:
      FEB 01, 2006
      NHTSA ID:
      #10019343

      RUBBING MARK ON TIMING BELT. SUBARU. *TT Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #99

      Date Announced:
      FEB 01, 2004
      NHTSA ID:
      #10006149

      ENGINE COOLING SYSTEM CONDITIONER.*MR Read More »

    FUEL SYSTEM, OTHER:KINETIC:HOUSING/CASE

    • TSB #037012R-1

      Date Announced:
      JAN 15, 2014
      NHTSA ID:
      #10234829

      Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts Read More »

    POWER TRAIN

    • TSB #03-82-18

      Date Announced:
      OCT 26, 2018
      NHTSA ID:
      #10150924

      This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. Read More »

    • TSB #03-82-18

      Date Announced:
      OCT 26, 2018
      NHTSA ID:
      #10150949

      This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. Read More »

    • TSB #037012R

      Date Announced:
      MAY 22, 2013
      NHTSA ID:
      #10234828

      This Bulletin provides production change, repair procedure and parts information to address a customer concern of a high-pitched sound coming from the transmission extension housing area. Read More »

    • TSB #166602

      Date Announced:
      MAR 15, 2003
      NHTSA ID:
      #10001352

      TRANSMISSION CONTROL UNIT (TCU) CODE 45 AND ALL-WHEEL DRIVE HARSH ENGAGEMENT. *TT Read More »

    POWER TRAIN:CLUTCH ASSEMBLY

    • TSB #03-82-18R

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10186364

      This bulletin announces a design change to the clutch release bearing. Read More »

    • TSB #035203

      Date Announced:
      MAY 19, 2003
      NHTSA ID:
      #10001726

      CLUTCH PEDAL STICKING. *TT Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #03-70-12R

      Date Announced:
      JAN 15, 2014
      NHTSA ID:
      #10089957

      REPAIR PROCEDURE FOR HIGH-PITCHED SOUND FROM EXTENSION HOUSING AREA USING LATEST GENERATION PRODUCTION PARTS - THIS BULLETIN PROVIDES PRODUCTION CHANGE, REPAIR PROCEDURE AND PARTS INFORMATION TO ADDRESS A CUSTOMER CONCERN OF A ... Read More »

    • TSB #03-70-12R

      Date Announced:
      JAN 03, 2013
      NHTSA ID:
      #10079980

      THIS BULLETIN PROVIDES PRODUCTION CHANGE, REPAIR PROCEDURE AND PARTS INFORMATION TO ADDRESS A CUSTOMER CONCERN OF A HIGH-PITCHED SOUND COMING FROM THE TRANSMISSION EXTENSION HOUSING AREA. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

    POWER TRAIN:DRIVELINE:CENTER SUPPORT BEARING

    ELECTRICAL SYSTEM

    • TSB #01-168-09R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241801

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #15-302-22

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219491

      This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »

    • TSB #15-192-22R

      Date Announced:
      MAR 18, 2022
      NHTSA ID:
      #10209915

      This bulletin has been developed to outline the steps for gathering basic essential information during diagnosis and repair of the Infotainment concerns. (Applicable to all models with Harman or Denso CP1 Infotainment). Read More »

    • TSB #01-167-08R

      Date Announced:
      JUN 17, 2021
      NHTSA ID:
      #10198758

      This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models Read More »

    • TSB #01-168-09R

      Date Announced:
      JAN 04, 2021
      NHTSA ID:
      #10186348

      The purpose of this bulletin is to provide replacement key and immobilizer information. Read More »

    • TSB #037012

      Date Announced:
      DEC 13, 2012
      NHTSA ID:
      #10234260

      Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts Read More »

    ELECTRICAL SYSTEM:IGNITION:MODULE

    • TSB #WWF89

      Date Announced:
      APR 01, 2002
      NHTSA ID:
      #631499

      SUBJECT REGARDING ENGINE CONTROL MODULE REPROGRAMMING. *SLC Read More »

    ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

    SEAT BELTS:FRONT:BUCKLE ASSEMBLY

    • TSB #170601

      Date Announced:
      APR 20, 2005
      NHTSA ID:
      #626926

      INFORMATION REGARDING SEAT BELT LATCH SLIDES TO THE LOWER SEAT BELT ANCHOR. *YH UPDATED *EH Read More »

    STRUCTURE:BODY

    LATCHES/LOCKS/LINKAGES

    • TSB #01-168-09R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241801

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    TIRES

    • TSB #SB-05-50-10R

      Date Announced:
      FEB 03, 2011
      NHTSA ID:
      #10037968

      SUBARU: THERE IS A STEERING WHEEL VIBRATION AT HIGHWAY SPEEDS DUE TO AN IMPORPER WHEEL BALANCE. *RM Read More »

    EQUIPMENT

    • TSB #01-168-09R

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241801

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #12-249-23R

      Date Announced:
      JUL 11, 2023
      NHTSA ID:
      #10240110

      This bulletin announces the recommended cleaning procedures to followed when encountering vehicles with long time exposure to pollen on painted surfaces on vehicles imported from Japan. This bulletin does not apply to SIA built vehicles. Read More »

    • TSB #15-302-22

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219491

      This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. Read More »

    • TSB #01-167-08R

      Date Announced:
      AUG 23, 2022
      NHTSA ID:
      #10219492

      This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models. Read More »

    • TSB #01-167-08R

      Date Announced:
      JUN 17, 2021
      NHTSA ID:
      #10198758

      This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models Read More »

    • TSB #09-51-08R

      Date Announced:
      JUN 07, 2021
      NHTSA ID:
      #10198749

      This bulletin is to advise of SOAa??s revised catalytic converter recycling program shipping procedure. Read More »

    • TSB #14-22-16R

      Date Announced:
      FEB 01, 2021
      NHTSA ID:
      #10187315

      To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool. Read More »

    • TSB #03-82-18R

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10186364

      This bulletin announces a design change to the clutch release bearing. Read More »

    • TSB #01-168-09R

      Date Announced:
      JAN 04, 2021
      NHTSA ID:
      #10186348

      The purpose of this bulletin is to provide replacement key and immobilizer information. Read More »

    • TSB #14-22-16R

      Date Announced:
      AUG 04, 2020
      NHTSA ID:
      #10179378

      Special Service Tools Cross Reference List. Read More »

    • TSB #01-181-20

      Date Announced:
      APR 30, 2020
      NHTSA ID:
      #10174543

      All Models (Vehicle Cleaning- COVID-19Best Practices) Read More »

    • TSB #Subaru Tech Tips

      Date Announced:
      MAY 21, 2019
      NHTSA ID:
      #10161824

      Subaru Service and Technical Support Line Newletter. Read More »

    • TSB #14-22-16R

      Date Announced:
      MAY 06, 2019
      NHTSA ID:
      #10161813

      To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool. Read More »

    • TSB #03-82-18

      Date Announced:
      OCT 26, 2018
      NHTSA ID:
      #10150949

      This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. Read More »

    • TSB #01-168-09R

      Date Announced:
      NOV 16, 2016
      NHTSA ID:
      #10120997

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #01-168-09R

      Date Announced:
      APR 12, 2016
      NHTSA ID:
      #10140499

      Revised TSB. The Subaru Lock Information Site (SLIS) is located at http://lockinfo.subaru.com, and provides information on how to obtain immobilizer codes and key cut codes for Subaru vehicles from the 2000MY to present. Read More »

    • TSB #03-70-12

      Date Announced:
      DEC 13, 2012
      NHTSA ID:
      #10093977

      REPAIR PROCEDURE FOR HIGH-PITCHED SOUND FROM EXTENSION HOUSING AREA USING LATEST GENERATION PRODUCTION PARTS Read More »

    • TSB #127803

      Date Announced:
      MAR 21, 2003
      NHTSA ID:
      #10001351

      FLOOR MAT HOOK REPAIR. *TT Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #01-168-09R

      Date Announced:
      SEP 30, 2016
      NHTSA ID:
      #10131647

      The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site. Read More »

    • TSB #01-168-09R

      Date Announced:
      APR 12, 2016
      NHTSA ID:
      #10140499

      Revised TSB. The Subaru Lock Information Site (SLIS) is located at http://lockinfo.subaru.com, and provides information on how to obtain immobilizer codes and key cut codes for Subaru vehicles from the 2000MY to present. Read More »

    • TSB #186901

      Date Announced:
      JUL 01, 2001
      NHTSA ID:
      #623118

      SUBJECT REGARDING SERVICE MANUAL CORRECTIONS. *JB Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #03-82-18R

      Date Announced:
      JAN 12, 2021
      NHTSA ID:
      #10186364

      This bulletin announces a design change to the clutch release bearing. Read More »

    • TSB #03-82-18

      Date Announced:
      OCT 26, 2018
      NHTSA ID:
      #10150924

      This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. Read More »

    • TSB #03-82-18

      Date Announced:
      OCT 26, 2018
      NHTSA ID:
      #10150949

      This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. Read More »

    • TSB #01-168-09R

      Date Announced:
      APR 12, 2016
      NHTSA ID:
      #10140499

      Revised TSB. The Subaru Lock Information Site (SLIS) is located at http://lockinfo.subaru.com, and provides information on how to obtain immobilizer codes and key cut codes for Subaru vehicles from the 2000MY to present. Read More »