TSB List for the 1994 Porsche 911

Technical Service Bulletins (TSBs) for the 1994 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.

  • SUSPENSION:FRONT:SHOCK ABSORBER
  • SUSPENSION:REAR:SHOCK ABSORBER
  • BRAKES (PWS)
  • SERVICE BRAKES, HYDRAULIC
  • ENGINE AND ENGINE COOLING
  • FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
  • POWER TRAIN:MANUAL TRANSMISSION
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:SOFTWARE
  • VISIBILITY:WINDSHIELD WIPER/WASHER:SWITCH/WIRING
  • AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE
  • WHEELS
  • EQUIPMENT
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT:APPLIANCE:AIR CONDITIONER
  • UNKNOWN OR OTHER
  • SUSPENSION:FRONT:SHOCK ABSORBER

    • TSB #122-J8G5Z-09

      Date Announced:
      AUG 21, 2017
      NHTSA ID:
      #10117512

      Information: Shock absorber for the respective chassis no longer available Read More »

    SUSPENSION:REAR:SHOCK ABSORBER

    • TSB #122-J8G5Z-09

      Date Announced:
      AUG 21, 2017
      NHTSA ID:
      #10117512

      Information: Shock absorber for the respective chassis no longer available Read More »

    BRAKES (PWS)

    • TSB #No. 1801.3

      Date Announced:
      DEC 08, 2020
      NHTSA ID:
      #10185121

      Advanced Technical information on brake squeal on all Porsche vehicles. Read More »

    SERVICE BRAKES, HYDRAULIC

    • TSB #122-L5E2R-04

      Date Announced:
      MAR 01, 2018
      NHTSA ID:
      #10134862

      Subject: Replacing brake booster during repairs Information: If the brake booster on the 911 Carrera 2/Targa/Speedster (964) needs to be replaced, the replacment brake booster will be a 911 (993) version. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #No. 2000

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

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

    • TSB #122-Z2X7A-02

      Date Announced:
      JAN 30, 2020
      NHTSA ID:
      #10170997

      List of approved C20 engine oils for all Porsche vehicles since 1984. Read More »

    FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

    • TSB #D76

      Date Announced:
      MAY 08, 2008
      NHTSA ID:
      #10025182

      PARTS WITHDRAWN. PORSCHE CARS NORTH AMERIC REQUESTS RETURN OF THE FOLLOWING UNIT TO PCNA, BUT ONLY IN CASES WHERE THE DEFECT IS VISIBLE: PART NUMBER 955 110 235 01, DESCRIPTION FUEL LINE. *PE Read More »

    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #GRP3/9503

      Date Announced:
      APR 01, 1995
      NHTSA ID:
      #39716

      THE FRONT TRANSMISSION CASE COVER AND SPUR GEARS ARE NO LONGER AVAILABLE AS SEPARATE PARTS. *TW Read More »

    ELECTRICAL SYSTEM

    • 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:WINDSHIELD WIPER/WASHER:SWITCH/WIRING

    • TSB #D77

      Date Announced:
      MAY 21, 2008
      NHTSA ID:
      #10025186

      PARTS WITHDRAW; PORSCHE CARS NORTH AMERICA REQUESTS RETURN OF THE FOLLOWING UNITS TO PCNA: PART NUMBERS 955 628 320 00 AND 955 628 321 00; DESCRIPTION TIP SWITCH. *PE Read More »

    AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE

    • TSB #122-E7M2M-09

      Date Announced:
      AUG 02, 2017
      NHTSA ID:
      #10117498

      Information: Old airbag sensor no longer available. Note: During repairs, the faulty airbag sensor will be replaced by a new electronic airbag sensor. Read More »

    WHEELS

    • TSB #No. D538

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10185129

      Parts withdrawal information for Winter wheel and tire sets. Read More »

    EQUIPMENT

    • TSB #PIWIS2101d

      Date Announced:
      JAN 27, 2021
      NHTSA ID:
      #10186488

      Information on PIWIS tester update #39.900.065 Read More »

    • TSB #PIWIS 2101c

      Date Announced:
      JAN 22, 2021
      NHTSA ID:
      #10186460

      Information about the new PIWIS tester update #39.900.060 Read More »

    • TSB #PIWIS2001av

      Date Announced:
      DEC 23, 2020
      NHTSA ID:
      #10185138

      Information on Porsche PIWIS Tester update #39.900.045 Read More »

    • TSB #PIWIS2001au

      Date Announced:
      DEC 18, 2020
      NHTSA ID:
      #10185137

      Information on Porsche PIWIS Tester update #39.900.040 Read More »

    • TSB #PIWIS2001at

      Date Announced:
      DEC 14, 2020
      NHTSA ID:
      #10185136

      Information on Porsche PIWIS Tester update #39.900.030 Read More »

    • TSB #No. D536

      Date Announced:
      DEC 11, 2020
      NHTSA ID:
      #10185126

      Information on parts withdrawal of closed workshop campaign parts. Read More »

    • TSB #PIWIS2001as

      Date Announced:
      DEC 04, 2020
      NHTSA ID:
      #10185135

      Information on Porsche PIWIS Tester update #39.900.020 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 »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #Charging lockup

      Date Announced:
      JUN 19, 2020
      NHTSA ID:
      #10176905

      Info on a new customer tool for looking up campaigns and recalls on their vehicle. Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #122-V3B6B-07

      Date Announced:
      JUN 19, 2019
      NHTSA ID:
      #10162219

      Announcement of a 6 month warranty extension on VAS 581005P R1234yf Service Units for air conditioning. Read More »

    • TSB #122-W9D2T-07

      Date Announced:
      JUN 10, 2019
      NHTSA ID:
      #10162214

      Instructions for using VAS 581005P in order to chech and service R1234yf Air Conditioning Unit. Read More »

    UNKNOWN OR OTHER

    • TSB #PK-D8-16

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

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

    • TSB #0203

      Date Announced:
      AUG 16, 2002
      NHTSA ID:
      #10010766

      EXCHANGE ENGINES AND TRANSMISSIONS FOR WARRANTY. THIS BULLETIN REPLACES BULLETIN WTY0203 DATED 2-15-02. *TT Read More »

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