Technical Service Bulletins (TSBs) for the 2011 Corolla are official communications between Toyota & 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.

    STEERING

    • TSB #T-TT-0242-13

      Date Announced:
      JUL 08, 2013
      NHTSA ID:
      #10075953

      Some customers have experienced amber colored oil like substance found on floor mats. Further investigation reveals the electric power steering column showing signs of the oiling substance leaking Read More »

    • TSB #T-TT-0242-13

      Date Announced:
      JUN 08, 2013
      NHTSA ID:
      #10062049

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    STEERING:COLUMN

    • TSB #T-TT-0242-13

      Date Announced:
      JUL 08, 2013
      NHTSA ID:
      #10075953

      Some customers have experienced amber colored oil like substance found on floor mats. Further investigation reveals the electric power steering column showing signs of the oiling substance leaking Read More »

    BRAKES (PWS)

    SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:DRUM

    • TSB #TSB-0235-12

      Date Announced:
      DEC 05, 2012
      NHTSA ID:
      #10050779

      TOYOTA: OVER TIME, A PERCEPTIBLE, BUT SLIGHT INCREASE IN BRAKE PEDAL TRAVEL AND WILL NOT EFFECT BRAKING PERFORMANCE, BUT TO ADDRESS THIS CONDITION, AN IMPROVED REAR DRUM BRAKE ADJUSTERS WAS DEVELOPED. MODELS 2009-2013 COROLLA. Read More »

    • TSB #TSB-0189-12

      Date Announced:
      OCT 10, 2012
      NHTSA ID:
      #10050719

      TOYOTA: NEW, REAR DRUM BRAKE ADJUSTERS WAS DEVELOPED TO PREVENT PERCEPTIBLE INCREASE IN BRAKE PEDAL TRAVEL CONDITION BUT NOT EFFECTING BRAKE PERFORMANCE. MODEL 2009-2011 COROLLA. Read More »

    SERVICE BRAKES, AIR:DRUM:DRUM

    • TSB #TSB-0235-12

      Date Announced:
      DEC 05, 2012
      NHTSA ID:
      #10050779

      TOYOTA: OVER TIME, A PERCEPTIBLE, BUT SLIGHT INCREASE IN BRAKE PEDAL TRAVEL AND WILL NOT EFFECT BRAKING PERFORMANCE, BUT TO ADDRESS THIS CONDITION, AN IMPROVED REAR DRUM BRAKE ADJUSTERS WAS DEVELOPED. MODELS 2009-2013 COROLLA. Read More »

    • TSB #TSB-0189-12

      Date Announced:
      OCT 10, 2012
      NHTSA ID:
      #10050719

      TOYOTA: NEW, REAR DRUM BRAKE ADJUSTERS WAS DEVELOPED TO PREVENT PERCEPTIBLE INCREASE IN BRAKE PEDAL TRAVEL CONDITION BUT NOT EFFECTING BRAKE PERFORMANCE. MODEL 2009-2011 COROLLA. Read More »

    PARKING BRAKE

    ENGINE (PWS)

    • TSB #POL14-12

      Date Announced:
      JUN 24, 2016
      NHTSA ID:
      #10091611

      WARRANTY POLICY BULLETIN (POL14-12): TOYOTA HAS RECEIVED SOME REPORTS WHERE VEHICLES MAY EXHIBIT EXCESSIVE ENGINE OIL CONSUMPTION. Read More »

    • TSB #ZE7_PHASE2 11/18

      Date Announced:
      NOV 18, 2015
      NHTSA ID:
      #10091975

      "WPB: THE ENGINE IS COVERED UNDER THE TOYOTA NEW VEHICLE LIMITED WARRANTY FOR 5 YEARS FROM THE DATE OF FIRST USE OR 60,000 MILES (WHICHEVER OCCURS FIRST). Read More »

    • TSB #ZE7_PHASE2 11/17

      Date Announced:
      NOV 17, 2015
      NHTSA ID:
      #10091971

      "WPB: THE ENGINE IS COVERED UNDER THE TOYOTA NEW VEHICLE LIMITED WARRANTY FOR 5 YEARS FROM THE DATE OF FIRST USE OR 60,000 MILES (WHICHEVER OCCURS FIRST). Read More »

    • TSB #T-TT-0372-15

      Date Announced:
      NOV 17, 2015
      NHTSA ID:
      #10093993

      "TT: IN CERTAIN CASES, VEHICLES UNDERGOING THE ZE7 AZ OIL CONSUMPTION REPAIR PROCEDURE WILL REQUIRE A SHORT BLOCK REPLACEMENT. Read More »

    • TSB #ZE7_IMP 11/12

      Date Announced:
      NOV 12, 2015
      NHTSA ID:
      #10091957

      DD: IN LIMITED CASES VEHICLES BEING SERVICED FOR ZE7 WILL REQUIRE A REPLACEMENT SHORT BLOCK. DEALERS WILL NEED TO INSTALL THE DOWEL PINS BETWEEN THE SHORT BLOCK AND LOWER CRANKCASE WHEN PERFORMING THIS REPAIR. Read More »

    • TSB #T-TT-0361-15 REV

      Date Announced:
      OCT 26, 2015
      NHTSA ID:
      #10096346

      "TT: BASED ON CURRENT PART ORDER ALLOCATION, SOME PISTON TYPES HAVE BEEN INCORRECTLY IDENTIFIED WHILE UNDERGOING THE ZE7 2AZ OIL CONSUMPTION REPAIR PROCEDURE. Read More »

    • TSB #T-SB-0030-15

      Date Announced:
      OCT 09, 2015
      NHTSA ID:
      #10096245

      "TSB: SOME 2006 ? 2013 MODEL YEAR VEHICLES EQUIPPED WITH THE 2AZ ENGINE MAY EXHIBIT ENGINE OIL CONSUMPTION. THE PISTON ASSEMBLY HAS BEEN CHANGED TO MINIMIZE OIL CONSUMPTION. USE THE FOLLOWING REPAIR PROCEDURE TO ADDRESS THIS CONDITION. Read More »

    • TSB #POL 14-12

      Date Announced:
      OCT 05, 2015
      NHTSA ID:
      #10096371

      WPB: TOYOTA HAS RECEIVED SOME REPORTS WHERE THE VEHICLES MAY EXHIBIT EXCESSIVE ENGINE OIL CONSUMPTION. Read More »

    • TSB #T-TT-0353-15 REV

      Date Announced:
      SEP 30, 2015
      NHTSA ID:
      #10096762

      TT: THERE HAS BEEN SOME CONCERN WITH 3 PIECE RING INSTALLATIONS FOR 2AZ-FE AND 2AZ-FXE ENGINES. THIS TECH TIP CONTAINS THE ACCEPTED INSTALLATION METHOD REQUIRED FOR TOYOTA VEHICLES. Read More »

    • TSB #T-TT-0362-15

      Date Announced:
      SEP 15, 2015
      NHTSA ID:
      #10096556

      TT: THE VEHICLE MAY BE DIFFICULT TO START OR HAVE AN ABNORMALLY LOW OR ROUGH IDLE AFTER THE BATTERY HAS BEEN DISCONNECTED OR POWER TO THE ENGINE ECM HAS BEEN INTERRUPTED. Read More »

    • TSB #T-TT-353-15 REV1

      Date Announced:
      SEP 14, 2015
      NHTSA ID:
      #10096547

      TT: THERE HAS BEEN SOME CONCERN WITH 3 PIECE RING INSTALLATIONS FOR 2AZ-FE AND 2AZ-FXE ENGINES. THIS TECH TIP CONTAINS THE ACCEPTED INSTALLATION METHOD REQUIRED FOR TOYOTA VEHICLES. Read More »

    • TSB #T-TT-0361-15

      Date Announced:
      SEP 14, 2015
      NHTSA ID:
      #10096554

      TT: BASED ON CURRENT PART ORDER ALLOCATION, SOME PISTON TYPES HAVE BEEN INCORRECTLY IDENTIFIED WHILE UNDERGOING THE ZE7 2AZ OIL CONSUMPTION REPAIR PROCEDURE. Read More »

    • TSB #WPB (POL 14-12)_

      Date Announced:
      SEP 10, 2015
      NHTSA ID:
      #10096779

      WPB: TOYOTA HAS RECEIVED SOME REPORTS WHERE VEHICLES MAY EXHIBIT EXCESSIVE ENGINE OIL CONSUMPTION. TOYOTA IS NOW ANNOUNCING THE PART REPLACEMENT PHASE OF WARRANTY ENHANCEMENT PROGRAM ZE7 FOR VEHICLES EXHIBITING EXCESSIVE ENGINE OIL ... Read More »

    • TSB #T-SB-0012-13 REV

      Date Announced:
      JAN 15, 2015
      NHTSA ID:
      #10096036

      "TSB: FLASH REPROGRAMMING ALLOWS THE ECU SOFTWARE TO BE UPDATED WITHOUT REPLACING THE ECU. FLASH CALIBRATION UPDATES FOR SPECIFIC VEHICLE MODELS/ECUS ARE RELEASED AS FIELD-FIX PROCEDURES DESCRIBED IN INDIVIDUAL SERVICE BULLETINS. Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #TSB-0124-11

      Date Announced:
      SEP 06, 2011
      NHTSA ID:
      #10042602

      TOYOTA: AS A RESULT OF FUEL CUT LOGIC, SOME VEHICLES MAY EXHIBIT ONE OR BOTH CONDITIONS LISTED-ENGINE RPM DECREASE (300-700 RPM) WHILE CRUISING AT 40 MPH; RELEASING ACCELERATOR PEDAL AT HIGHWAY SPEEDS, SLIGHT DELAYED/REDUCED ENGINE ... Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #CSC-81312015

      Date Announced:
      AUG 19, 2013
      NHTSA ID:
      #10052587

      TOYOTA: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CERTAIN VEHICLES FAILED TO HAVE THE POSITIVE TEMPERATURE COEFFICIENT (PTC) HEATER RELAYS INSTALLED AT TIME OF MANUFACTURED. MODELS 2011-2012 COROLLA. Read More »

    FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP

    • TSB #T-SB-0200-11

      Date Announced:
      DEC 16, 2011
      NHTSA ID:
      #10044158

      TOYOTA: WATER INTRUSION INTO CHARCOAL CANISTER. SOME VEHICLES MAY EXHIBIT A MIL 'ON' CONDITION. TO ADDRESS THE CONDITION , THE FUEL PIPE PROTECTOR HAS BEEN UPDATED. *JS Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    ELECTRICAL SYSTEM

    • TSB #T-TT-0362-15

      Date Announced:
      SEP 15, 2015
      NHTSA ID:
      #10096556

      TT: THE VEHICLE MAY BE DIFFICULT TO START OR HAVE AN ABNORMALLY LOW OR ROUGH IDLE AFTER THE BATTERY HAS BEEN DISCONNECTED OR POWER TO THE ENGINE ECM HAS BEEN INTERRUPTED. Read More »

    • TSB #T-SB-0012-13 REV

      Date Announced:
      JAN 15, 2015
      NHTSA ID:
      #10096036

      "TSB: FLASH REPROGRAMMING ALLOWS THE ECU SOFTWARE TO BE UPDATED WITHOUT REPLACING THE ECU. FLASH CALIBRATION UPDATES FOR SPECIFIC VEHICLE MODELS/ECUS ARE RELEASED AS FIELD-FIX PROCEDURES DESCRIBED IN INDIVIDUAL SERVICE BULLETINS. Read More »

    ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY

    AIR BAGS

    • TSB #TSB-0122-11

      Date Announced:
      SEP 06, 2011
      NHTSA ID:
      #10042555

      TOYOTA: INFORMATION PROVIDED FOR REPLACING THE SEAT COVERS FOR VEHICLES EQUIPPED WITH SIDE AIRBAGS. *PE Read More »

    STRUCTURE:BODY:DOOR

    VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

    • TSB #TSB-0087-12

      Date Announced:
      JUN 13, 2012
      NHTSA ID:
      #10045140

      TOYOTA: ACCELERATOR PEDAL SENSOR ASSEMBLY INFORMATION REGARDING THE INSPECTION, REMOVAL, AND INSTALLATION, IF LUBRICATION OR OIL, IS APPLIED. *PE Read More »

    TIRES

    SEATS

    • TSB #TSB-0122-11

      Date Announced:
      SEP 06, 2011
      NHTSA ID:
      #10042555

      TOYOTA: INFORMATION PROVIDED FOR REPLACING THE SEAT COVERS FOR VEHICLES EQUIPPED WITH SIDE AIRBAGS. *PE Read More »

    EQUIPMENT

    • TSB #POL14-12

      Date Announced:
      JUN 24, 2016
      NHTSA ID:
      #10091611

      WARRANTY POLICY BULLETIN (POL14-12): TOYOTA HAS RECEIVED SOME REPORTS WHERE VEHICLES MAY EXHIBIT EXCESSIVE ENGINE OIL CONSUMPTION. Read More »

    • TSB #T-TT-0268-13 REV

      Date Announced:
      MAR 08, 2016
      NHTSA ID:
      #10097052

      "TT: SOME CUSTOMERS MAY ENCOUNTER BLUETOOTH CONNECTIVITY CONCERNS SUCH AS: ? DIFFICULTY PAIRING THE PHONE. ? INTERMITTENT BLUETOOTH FAILURE TO CONNECT WHEN FIRST TURNING ON THE VEHICLE. Read More »

    • TSB #ZE7_PHASE2 11/18

      Date Announced:
      NOV 18, 2015
      NHTSA ID:
      #10091975

      "WPB: THE ENGINE IS COVERED UNDER THE TOYOTA NEW VEHICLE LIMITED WARRANTY FOR 5 YEARS FROM THE DATE OF FIRST USE OR 60,000 MILES (WHICHEVER OCCURS FIRST). Read More »

    • TSB #ZE7_PHASE2 11/17

      Date Announced:
      NOV 17, 2015
      NHTSA ID:
      #10091971

      "WPB: THE ENGINE IS COVERED UNDER THE TOYOTA NEW VEHICLE LIMITED WARRANTY FOR 5 YEARS FROM THE DATE OF FIRST USE OR 60,000 MILES (WHICHEVER OCCURS FIRST). Read More »

    • TSB #ZE7_IMP 11/12

      Date Announced:
      NOV 12, 2015
      NHTSA ID:
      #10091957

      DD: IN LIMITED CASES VEHICLES BEING SERVICED FOR ZE7 WILL REQUIRE A REPLACEMENT SHORT BLOCK. DEALERS WILL NEED TO INSTALL THE DOWEL PINS BETWEEN THE SHORT BLOCK AND LOWER CRANKCASE WHEN PERFORMING THIS REPAIR. Read More »

    • TSB #POL 14-12

      Date Announced:
      OCT 05, 2015
      NHTSA ID:
      #10096371

      WPB: TOYOTA HAS RECEIVED SOME REPORTS WHERE THE VEHICLES MAY EXHIBIT EXCESSIVE ENGINE OIL CONSUMPTION. Read More »

    • TSB #T-TT-0360-15

      Date Announced:
      SEP 14, 2015
      NHTSA ID:
      #10096550

      TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #TC-12-028

      Date Announced:
      OCT 03, 2012
      NHTSA ID:
      #10051778

      TOYOTA: ON SOME MODEL VEHICLES, THE POSITIVE TEMPERATURE COEFFICIENT (PTC) HEATER RELAYS WERE NOT INSTALLED AT TIME OF MANUFACTURED. MODELS 2011-2012 COROLLA. *PE Read More »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #T-TT-0360-15

      Date Announced:
      SEP 14, 2015
      NHTSA ID:
      #10096550

      TT: CUSTOMERS MAY EXPERIENCE CONNECTIVITY ISSUES WHEN THE FOLLOWING CONDITIONS ARE MET: THE CUSTOMER'S IPHONE IS OPERATING ON IOS9 FIRMWARE. THE CUSTOMER'S IPHONE IS CONNECTED TO THE VEHICLE VIA BLUETOOTH. Read More »

    • TSB #T-TT-0268-13

      Date Announced:
      OCT 24, 2013
      NHTSA ID:
      #10062070

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #T-TT-0250-13

      Date Announced:
      SEP 13, 2013
      NHTSA ID:
      #10062058

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #T-TT-0250-13

      Date Announced:
      AUG 27, 2013
      NHTSA ID:
      #10062057

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #T-TT-0225-13

      Date Announced:
      FEB 27, 2013
      NHTSA ID:
      #10062037

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #ZE7

      Date Announced:
      AUG 04, 2016
      NHTSA ID:
      #10084308

      WARRANTY POLICY BULLETIN (POL14-12): ADDED THE SHORT BLOCK RELEASE AUTHORIZATION FLOW CHART. TOYOTA HAS RECEIVED SOME REPORTS WHERE VEHICLES MAY EXHIBIT EXCESSIVE ENGINE OIL CONSUMPTION. Read More »

    • TSB #T-TT-0262-13

      Date Announced:
      OCT 02, 2013
      NHTSA ID:
      #10062066

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #T-TT-0005-10

      Date Announced:
      AUG 02, 2013
      NHTSA ID:
      #10062009

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #T-TT-0005-10

      Date Announced:
      MAR 25, 2013
      NHTSA ID:
      #10062010

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    • TSB #T-TT-0005-10

      Date Announced:
      NOV 07, 2012
      NHTSA ID:
      #10062011

      SUMMARY TO BE PROVIDED ON A FUTURE DATE. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #TSB-0086-10 REV1

      Date Announced:
      MAR 10, 2010
      NHTSA ID:
      #10036967

      TOYOTA: FLOOR MAT INSTALLATION DURING PDS. VEHICLES EQUIPPED WITH DRIVER'S SIDE FLOOR MAT RETAINING CLIPS TO SECURE THE FLOOR MAT IN CORRECT POSITION. *PE Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    EQUIPMENT:EMERGENCY:ESCAPE/EGRESS/EXIT