Technical Service Bulletins (TSBs) for the 1983 911 are official communications between Porsche & 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.

    BRAKES (PWS)

    • TSB #No. 1801.4

      Date Announced:
      MAR 30, 2022
      NHTSA ID:
      #10209901

      Advanced technical information for a brake squeal. Read More »

    • TSB #ATIALL41605

      Date Announced:
      MAR 24, 2016
      NHTSA ID:
      #10198525

      Understanding and addressing brake squeal complaints. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #No. 14-23

      Date Announced:
      JUL 31, 2023
      NHTSA ID:
      #10240439

      Manufacturers certificate for allocation of approved engine oils Read More »

    • TSB #No. D599

      Date Announced:
      MAR 14, 2022
      NHTSA ID:
      #10209855

      Parts information for parts withdrawal involving the valve spring. Part numbers affected are PAB109623 and 958109623. Read More »

    • TSB #No. 2000

      Date Announced:
      OCT 28, 2020
      NHTSA ID:
      #10182276

      Advanced Technical information on a NVH Lubrication kit. Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #No. D615

      Date Announced:
      SEP 19, 2022
      NHTSA ID:
      #10222527

      Parts information for parts withdrawal involving the fuel filler flap Read More »

    POWER TRAIN

    • TSB #No. 2404

      Date Announced:
      MAR 15, 2024
      NHTSA ID:
      #10252578

      Special tools and equipment information for the Boxster, Cayman, 911, and Panamera Read More »

    ELECTRICAL SYSTEM

    • TSB #No. 2314

      Date Announced:
      SEP 06, 2023
      NHTSA ID:
      #10243597

      Special tools and equipment information for all Porsche models. Diagnostic equipment standards. Read More »

    • TSB #No. 2313

      Date Announced:
      SEP 01, 2023
      NHTSA ID:
      #10243573

      Special tools and equipment information for the Pico Oscilloscope Extended Functionality Read More »

    • TSB #No. 2234

      Date Announced:
      DEC 08, 2022
      NHTSA ID:
      #10229617

      Instructions on advanced technical information for improper odometer and speedometer function Read More »

    • TSB #No. 52-21

      Date Announced:
      APR 19, 2021
      NHTSA ID:
      #10191742

      Information on how to deal with a potential cyber security breach. Read More »

    • TSB #No. D4a

      Date Announced:
      JUN 03, 2020
      NHTSA ID:
      #10176897

      Document showing the evolution of Porsche Vehicles since 1948. Read More »

    • TSB #122-Z3C2E-10

      Date Announced:
      SEP 18, 2019
      NHTSA ID:
      #10165939

      Announcement of new Tech Live look, which will put technicians into live chats with technical support if they should have an urgent issue Read More »

    • TSB #122-L8R6J-10

      Date Announced:
      SEP 06, 2019
      NHTSA ID:
      #10165938

      Bulletin highlighting new updates 38.750, 38.750.000 for the Porsche PIWIS Tester 3 Read More »

    • TSB #122-Z6Y7L-09

      Date Announced:
      AUG 15, 2019
      NHTSA ID:
      #10165167

      Bulletin outlining PIWIS Tester updates 38.600.030 & 035. Read More »

    • TSB #122-E4R8U-09

      Date Announced:
      AUG 07, 2019
      NHTSA ID:
      #10165166

      Bulletin outlining PIWIS Tester updates 38.600.020. Read More »

    • TSB #122-B3Y6H-09

      Date Announced:
      AUG 05, 2019
      NHTSA ID:
      #10165165

      Bulletin outlining PIWIS Tester updates 38.600.000, .010, & .015. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #PIWIS2001v

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10176881

      Information on new PIWIS tester update 39.500.020 and .025. Read More »

    VISIBILITY

    • TSB #122-N3Z8S-04

      Date Announced:
      MAR 24, 2020
      NHTSA ID:
      #10173088

      Technical information for replacing the air conditioning compressor on the 930 generation 911 Turbo. Read More »

    TIRES

    • TSB #No. 76-20

      Date Announced:
      JUL 30, 2021
      NHTSA ID:
      #10199881

      List of approved wheels, tires, and spacers for the 911, from Model Years 1965 to 1989. Read More »

    WHEELS

    • TSB #No. 76-20

      Date Announced:
      JUL 30, 2021
      NHTSA ID:
      #10199881

      List of approved wheels, tires, and spacers for the 911, from Model Years 1965 to 1989. Read More »

    BACK OVER PREVENTION:SOFTWARE

    EQUIPMENT

    • TSB #No. 2404

      Date Announced:
      MAR 15, 2024
      NHTSA ID:
      #10252578

      Special tools and equipment information for the Boxster, Cayman, 911, and Panamera Read More »

    • TSB #PIWIS2302s

      Date Announced:
      NOV 17, 2023
      NHTSA ID:
      #10246417

      Information for PIWIS tester update 42.300.050 & .052 Read More »

    • TSB #PIWIS2302r

      Date Announced:
      NOV 10, 2023
      NHTSA ID:
      #10246374

      Information for PIWIS tester update 42.300.040 & .041 Read More »

    • TSB #PIWIS2302q

      Date Announced:
      NOV 07, 2023
      NHTSA ID:
      #10246372

      Information for PIWIS tester update 42.300.035 Read More »

    • TSB #PIWIS2302p

      Date Announced:
      NOV 03, 2023
      NHTSA ID:
      #10246369

      Information for PIWIS tester update 42.300.030 - .032 Read More »

    • TSB #No. D654

      Date Announced:
      NOV 02, 2023
      NHTSA ID:
      #10246366

      Parts information for parts withdrawal involving the glass roof - 9J0877069EY and 9J0877069DY Read More »

    • TSB #No. D5

      Date Announced:
      AUG 29, 2023
      NHTSA ID:
      #10242140

      Parts information for parts withdrawal on the locks made to original key code Read More »

    • TSB #PIWIS2301as

      Date Announced:
      JUL 25, 2023
      NHTSA ID:
      #10240414

      Information for PIWIS tester update 42.100.000, .010 & .011 Read More »

    • TSB #PIWIS2301ap

      Date Announced:
      JUL 07, 2023
      NHTSA ID:
      #10240374

      Information for PIWIS tester update 42.000.040 Read More »

    • TSB #PIWIS2301ao

      Date Announced:
      JUL 04, 2023
      NHTSA ID:
      #10240352

      Information for PIWIS tester update 42.000.035 Read More »

    • TSB #No. 2311

      Date Announced:
      JUN 22, 2023
      NHTSA ID:
      #10238776

      Special tools information on an upgrade to the pushers for the VAS5237 Read More »

    • TSB #No. D4a

      Date Announced:
      MAR 16, 2023
      NHTSA ID:
      #10233920

      Product knowledge for the Porsche evolution from 1948-2023. Read More »

    • TSB #PIWIS2301k

      Date Announced:
      FEB 27, 2023
      NHTSA ID:
      #10232442

      Information for PIWIS tester update 41.750.045 & .046 Read More »

    • TSB #PIWIS2202b

      Date Announced:
      NOV 18, 2022
      NHTSA ID:
      #10227379

      Information for PIWIS tester update 41.500.020 & .022 Read More »

    • TSB #PIWIS2201au

      Date Announced:
      SEP 30, 2022
      NHTSA ID:
      #10222550

      Information for PIWIS tester update 41.400.000 & .010. Read More »

    • TSB #PIWIS2201at

      Date Announced:
      SEP 26, 2022
      NHTSA ID:
      #10222545

      Information for PIWIS tester update #41.375.050 Read More »

    • TSB #PIWIS2201as

      Date Announced:
      SEP 22, 2022
      NHTSA ID:
      #10222533

      Information for PIWIS tester update #41.375.045. Read More »

    • TSB #No. D615

      Date Announced:
      SEP 19, 2022
      NHTSA ID:
      #10222527

      Parts information for parts withdrawal involving the fuel filler flap Read More »

    • TSB #PIWIS2201ar

      Date Announced:
      SEP 16, 2022
      NHTSA ID:
      #10222515

      Information for PIWIS tester update #41.375.040 Read More »

    • TSB #PIWIS2201an

      Date Announced:
      AUG 26, 2022
      NHTSA ID:
      #10219459

      Information for PIWIS tester update #41.300.000, .010 & .012 Read More »

    • TSB #No. 2002.1

      Date Announced:
      AUG 19, 2022
      NHTSA ID:
      #10219403

      Special tools information for new blitz table replacement castors. Read More »

    • TSB #No. 2214

      Date Announced:
      JUL 27, 2022
      NHTSA ID:
      #10217266

      Special tools and equipment for the VAG 1561 storage kit in foam with blades Read More »

    • TSB #No. 2116

      Date Announced:
      OCT 26, 2021
      NHTSA ID:
      #10203103

      Special tools information for a new contact surface cleaning set. Read More »

    • TSB #No. 76-20

      Date Announced:
      JUL 30, 2021
      NHTSA ID:
      #10199881

      List of approved wheels, tires, and spacers for the 911, from Model Years 1965 to 1989. Read More »

    • TSB #No. D13.2

      Date Announced:
      JUN 02, 2021
      NHTSA ID:
      #10198802

      Information on new PIWIS Tester program for independent repair facilities. Read More »

    • TSB #PIWIS2102j

      Date Announced:
      MAR 05, 2021
      NHTSA ID:
      #10189696

      Information on PIWIS Tester update 40.000.020 & .022. Read More »

    • TSB #PIWIS2001v

      Date Announced:
      JUN 25, 2020
      NHTSA ID:
      #10176881

      Information on new PIWIS tester update 39.500.020 and .025. Read More »

    • TSB #No. D4a

      Date Announced:
      JUN 03, 2020
      NHTSA ID:
      #10176897

      Document showing the evolution of Porsche Vehicles since 1948. Read More »

    • TSB #122-J4L4X-03

      Date Announced:
      FEB 27, 2020
      NHTSA ID:
      #10172096

      Bulletin outlining new blitz table replacement castors due to a high rate of failure reported by dealers. Read More »

    • TSB #ATIALL41605

      Date Announced:
      MAR 24, 2016
      NHTSA ID:
      #10198525

      Understanding and addressing brake squeal complaints. Read More »

    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #No. D5

      Date Announced:
      AUG 29, 2023
      NHTSA ID:
      #10242140

      Parts information for parts withdrawal on the locks made to original key code Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #No. 2303

      Date Announced:
      FEB 14, 2023
      NHTSA ID:
      #10232416

      Special tools information for the pneumatic cartridge gun. Read More »

    • TSB #No. 1758.4

      Date Announced:
      NOV 30, 2022
      NHTSA ID:
      #10227393

      Special tools information for the logo templates and exchangeable inserts. Read More »

    • TSB #No. 1804.1

      Date Announced:
      AUG 30, 2022
      NHTSA ID:
      #10219463

      Instructions on advanced technical information for the lubricant for the sunroof/sliding roof. Read More »

    UNKNOWN OR OTHER

    • TSB #No. D8

      Date Announced:
      FEB 02, 2024
      NHTSA ID:
      #10251139

      Product knowledge for the chassis and VIN numbering systems Read More »

    • TSB #PK-D8-16

      Date Announced:
      MAR 02, 2011
      NHTSA ID:
      #10038544

      PORSCHE: INFORMATION ON HOW TO READ THE VIN. *RM Read More »