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Service bulletins for the 2012 Porsche Cayman

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

423 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
122-E4R8U-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.020.
122-B3Y6H-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.000, .010, & .015.
122-F7A6N-072019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. Announcement of new Special Tool 9942 for cheching the valve on the coolant reservoir for the 718.
122-X2X7N-072019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. Notice to dealers that coolants will be moved out of the special tool cabinet in the dealer service department in order to make room for new special tools. All coolant tools will be moved to the "Coolant Cart" because they need to be housed in the same place.
122-V5F8X-072019-07-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Information on new model designation logos which can be purchased and applied to the rear exhaust area of a vehicle, displaying the model designation on the outside of the vehicle.
122-V3B6B-072019-07-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Announcement of a 6 month warranty extension on VAS 581005P R1234yf Service Units for air conditioning.
122-W9D2T-072019-07-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Instructions for using VAS 581005P in order to chech and service R1234yf Air Conditioning Unit.
122-F9S5J-092018-11-19. Service bulletin. ELECTRICAL SYSTEM. Cause The control unit for the auxiliary alarm system has limited bus communication. Date of Introduction Control units for the auxiliary alarm system with updated software have been used in production since the beginning of December 2017.
122-X4X7D-092018-11-19. Service bulletin. ENGINE AND ENGINE COOLING. Cause The noises can occur if there is excessive spring force tolerance in the oil separator Date of introduction The optimized oil separators are used in production from November 25, 2015. Remedial action In the event of a customer complaint, check the part number of the installed oil separator and replace the oil separator if necessary.
122-B9V4V-062018-06-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information: The Approval and Support Management system was created to offer assistance to the dealer organization with new and complex technical issues by utilizing the Support Specialists within Porsche R&D. As a result, this process has reduced vehicle downtime and repeat repairs substantially.
122-T7Y5Q-122017-12-14. Service bulletin. ELECTRICAL SYSTEM. Information: This document updates information previously published in EQ 1105, EQ 1105, and EQ 1401. To provide stable voltage and sufficient current throughout certain service operations, you should connect the vehicle to a battery charger (sometimes referred to as a power supply). However, you may experience ECU programming and coding issues if the chosen battery charger has insufficient power. Many workshop manuals currently advise use of a battery charger with a 40 or 70 A current rating. However, with the increasing current requirements of modern Porsche vehicles, we recommend a battery charger capable of producing a minimum current of 90 A.
122-N9Z4L-072017-10-27. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Concerns: AGM starter battery (referred to below simply as 'battery') Situation: Support for the care andmaintenance of the AGMstarter battery (at the dealership): From the time the vehicle is delivered to the Porsche Centre until it is handed over to the customer, the battery must be maintained and charged regularly, depending on use.
122-R7W2C-072017-10-27. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Concerns: AGM starter battery (referred to below simply as ?battery?) Situation: Customer complaints concerning battery-related topics Recurring customer complaints concerning topics relating to battery capacity and quality.
122-L4C8W-072017-10-27. Service bulletin. STRUCTURE; WHEELS. Information: 911 and 718 models have differences in the front end structure which depend on whether the vehicle has a two wheel drive or an all wheel drive body shell.
122-G7H3U-062017-09-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Concerns: Instrument cluster Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. The following fault symptoms can occur on the affected vehicles due to a software error in the instrument cluster: * Failure of the display on the multi-function display: The display on the multi-function display in the instrument cluster can stop working at times under certain conditions. The display starts working again after a certain time. * Implausible service reminder indicator display: The driver is informed that a service (maintenance, intermediate maintenance or oil service) is due although the mileage and date for a required service have not yet been reached.
122-Q2E5G-062017-09-14. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. Concerns: Switching element for filler flap Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. Defective switching elements for the filler flap may have been installed on the affected vehicles due to a supplier error. This can cause the switching element to become mechanically blocked. If this happens, there is no guarantee that the filler flap will open correctly.
122-Y2P7D-052017-09-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. Concerns: Vacuum line for exhaust flaps Information: The vacuum line for the exhaust flaps can shorten because of the heat from the engine and become detached from the vacuum units for the exhaust flaps over the service life of the vehicle.
122-E7Q7N-052017-09-14. Service bulletin. ENGINE AND ENGINE COOLING. Concerns: Oil guide housing Information: Oil leak ("sweating", drops of oil) on engine in oil guide housing area We have discovered that the cause of some leaks in the specified area could not be detected and determined definitively in the dealer organisation when attempting to resolve the complaint "Oil leak"1 . As a result, some of the measures that were carried out were not always effective.
TI-41-142014-10-31. Service bulletin. EQUIPMENT. PORSCHE: IF POWER DISTRIBUTOR PIN, ON SOME VEHICLES, IS CORRODED AND CAUSE HAS BEEN DETERMINED, THEN PIN ON POWER DISTRIBUTOR MUST BE REPLACED. MODEL 2005-2012 911 CARRERA, BOXSTER, CAYMAN. *PE
TI-58-122014-08-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION. PORSCHE: PROCEDURAL INFORMATION PROVIDED REGARDING THE REPLACING OF FAULTY CRACKED IGNITION COILS ON CERTAIN VEHICLES. MODEL 1997-2013 BOXSTER (986), BOXSTER/CAYMAN (987), CARRERA (996 & 997). *PE
TI-2-142014-06-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. PORSCHE: INSTRUMENT CLUSTER SOFTWARE NEEDS REPROGRAMMING DUE TO DISPLAYING INCORRECT INFORMATION AND CAN STOP WORKING OR WILL WORK, AFTER CERTAIN CONDITIONS, ON SOME VEHICLES. MODEL 2012-2014 BOXSTER, CAYMAN, 911. *PE
TIS-10-132013-06-28. Service bulletin. SERVICE BRAKES, ELECTRIC. PORSCHE: ON SOME VEHICLES, WITH 6 SPEED MANUAL TRANSMISSION, THE ELECTRIC PARKING CONTROL BRAKE UNIT HAS IMPLAUSIBLE FAULT ENTRIES DUE TO MONITORING FUNCTION IS TOO SENSITIVE AND NEEDS TO BE REPROGRAMMED. MODELS 2013-2014 BOXSTER (981), BOXSTER S (981), CAYMAN (981), CAYMAN S (981). *PE
TI-9-132013-06-22. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE; ELECTRICAL SYSTEM:IGNITION:SWITCH. PORSCHE: ON CERTAIN VEHICLES, THE START STOP FUNCTION CANNOT BE ACTIVATED USING CENTER CONSOLE BUTTON DUE TO BEING DEACTIVATED AT TIME OF MANUFACTURING, AND NOT RE-ACTIVATED AFTERWARDS AND MUST REPLACE DME CONTROL UNIT. MODELS 2013-2014 BOXSTER (981), BOXSTER S (981), CAYMAN (981), CAYMAN S (981). *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.