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Service bulletins for the 2017 Porsche 718 Boxster

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.

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

By type

By component

By trouble code

Bulletins, newest first
122-Y7X3X-052018-05-21. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. Symptom: Coolant is leaking out at the coolant reservoir cap. Cause: The coolant reservoir cap may have been overtightened. The locking lug for the limit stop of the coolant reservoir cap has broken off. Procedure: Replace coolant reservoir filler neck and coolant reservoir cap.
122-T4Q4V-042018-04-23. Service bulletin. WHEELS. Subject: Rear wheels Information: The rear axle of the affected vehicles was fitted with wheels on which a surface fault can occur on the inside of the wheel due to an error during the production process. If this happens, the surface fault can be regarded as a visual defect.
122-X8H2U-042018-04-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Vehicle Type: 718 Boxster, 718 Cayman (982) Concern: Approval status: January 2018
122-N7L9D-022018-02-12. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. Customer Concern: The driver receives an airbag warning in the instrument cluster. Technical Concern: The workshop confirms the customer?s observation along with one or more of the following fault codes: ? 002502: Key-operated switch circuit 1, short circuit to B+ ? 002602: Key-operated switch circuit 2, short circuit to B+
122-E4P5F-092018-01-29. Service bulletin. EQUIPMENT. Ashtray and cigarette lighter instead of the oddments tray in the front center console
122-E9N4X-012018-01-29. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Optimized software for Porsche Communication Management (PCM) 4.0 has been used in standard production in order to further improve the general performance of the system. These optimizations must be implemented retrospectively even for vehicles manufactured before the date of introduction. Action Required: ? Update PCM software using an SD card ? Re-code the PCM using PIWIS Tester test software version 34.800.030 (or higher
122-Z9T3E-122017-12-14. Service bulletin. LANE DEPARTURE: ASSIST; ELECTRICAL SYSTEM:SOFTWARE. Remedial action In the event of a customer complaint, re-program and code Lane Change Assist control units using 9900 - PIWIS Tester III.
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-J5M3M-112017-12-14. Service bulletin. ENGINE AND ENGINE COOLING. Concern: Vehicle is stored for a long period of time in the sun and heat, typically 30 days or more. Several cases of compressors seizing have occurred at PDI. Please use the procedure below during the PDI as a precaution.
122-D5Y9G-102017-11-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ELECTRICAL SYSTEM. The sport exhaust system can be activated/deactivated by pressing the button with the "Twin tailpipe" symbol. The sport exhaust system is also active in "Sport" or "SportPlus" mode. Here, the sports exhaust system can be switched off or even switched on again using the "Twin tailpipe" button. The switch console (combined switch) is a repair kit and must also be ordered. The repair kit contains the main body, the required buttons and the trims. The new switch console is assembled in accordance with the new vehicle equipment. Engine power and exhaust behavior of the vehicle are not affected. The sport exhaust system is also available ex-works for new vehicles by requesting optional equipment XLF or XLX.
122-V6W7S-102017-11-08. Service bulletin. STEERING; WHEELS. The features of the particularly sporty GT sports steering wheels in leather (I-no. 858) or Alcantara (XLL) include: ? Steering wheel diameter: 360 mm ? In conjunction with PDK: Gearshift paddles for changing gear manually ? Including multi-function operation and steering wheel heating (489)
122-J5J5B-102017-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. During diagnostic monitoring of the hydraulic control valves of the PDK transmission, a fault memory entry is stored in the PDK control unit if an implausible shift rod movement is detected. The PDK control unit therefore initiates a flushing measure in order to flush particles of dirt determined as the cause of the fault out of the hydraulic control valves. As soon as the fault memory entry was activated in two consecutive driving cycles, there was a possibility with the previous diagnostic configuration that the message "Engine control fault ? visit workshop ? Driving permitted" would be displayed in the instrument cluster although the flushing measure had already been carried out successfully and a fault was no longer present. To prevent this from happening, the diagnostic function for monitoring the hydraulic control valves will be adapted accordingly.
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-B3F2Z-082017-10-25. Service bulletin. ENGINE. Subject: VTG servo motor Information: When driving with frequent acceleration and high ambient temperatures, there can be a loss of engine power.
122-B8F3U-032017-10-25. Service bulletin. FUEL SYSTEM, DIESEL. There is a possibility that the fastening screws for the fuel collection pipes on the affected vehicles can shear off due to stress corrosion cracking. If this happens, the high fuel pressure that builds up in the fuel injection system when the engine is running can press the relevant fuel collection pipe off the fuel injectors. This can cause a fuel leak in the engine compartment. Remedial Action: Replace fastening screws for both fuel collection pipes.
122-W4G8S-102017-10-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Technical Concern: By design, the vehicle gateway allows certain vehicle features to time-out, in stages. This allows the vehicle to sleep. One feature that can time-out is the 12 V DC power point (cigarette lighter) in the center console area. One of the recommended methods of using the battery maintainer is to plug the battery maintainer into this power point. If this power point becomes disabled, it will not allow current flow from the battery maintainer to the vehicle, the vehicle battery will not trickle charge, and the battery maintainer will eventually shut off.
122-V9G5G-102017-10-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Information: This was caused by poor welding of the fixed gear. The fastening process has been changed. Resolution: Replace the transmission. Refer to WM343519 for the proper replacement procedure.

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