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Service bulletins for the 2018 Porsche 911

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.

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

By type

By component

By trouble code

Bulletins, newest first
122-M3V5H-062019-06-24. Service bulletin. PARKING BRAKE. Adjusting Parking Brake for brake shoes which were too long on one end.
122-J5W5T-032019-03-25. Service bulletin. VISIBILITY. Rear View Mirror Falls Off the Windshield
122-C9S9Q-122019-02-25. Service bulletin. WHEELS; SERVICE BRAKES, HYDRAULIC. Loose M6 Screws Securing PCCB Rotors to Wheel Hub
122-K6Q4Y-122019-02-25. Service bulletin. EQUIPMENT. WJ25 - Retrofitting Connect Functions (Workshop Campaign)
122-E6U4B-122019-02-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. Subject: Shift lever Information: The shift lever can move in longitudinal direction during load changes in 4th gear.
122-U4G4A-012019-02-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Subject: Air conditioning Symptom: Complaint about "knocking noises" from the underbody area.
122-C7B2H-012019-02-25. Service bulletin. WHEELS; EQUIPMENT. Subject: Magnesium wheels Information: The demand for the equipment option "Weissach package" was significantly higher than originally calculated. This resulted in supply bottlenecks, for example, for the supplier of the magnesium wheels contained in this package.
122-D4X2J-092018-11-19. Service bulletin. ELECTRICAL SYSTEM. Customer Concern The customer receives a call from the Porsche call center as if the airbag has deployed and the vehicle made an e-call. No such airbag deployment or e-call occurred. This is a false alarm. Technical Background This issue results from a conflict between the airbag module and Vodafone telematics service. A future additional Porsche AG action may also correct the issue.
122-R2H3S-092018-11-19. Service bulletin. WHEELS. Information: Due to an allocation error in the parts list, the affected vehicles with the optional Touring package (I-no. 039) were supplied with front covers (fins) and these were fitted in the front wheel housing during the sales check although the covers were not intended for this optional equipment. Installation of the covers can cause a slight change in GT3 Touring-specific vehicle handling. Remedial Action: To ensure customer satisfaction and standardize the standard version, the following steps must be carried out: Checking presence of front covers (fins) and removing if necessary ? Replacing both front wheel housing liners (rear part) (only if required) ? Replacing front underbody cover (only if required)
122-Y9K4F-092018-11-19. Service bulletin. WHEELS. Symptom: During and after race track use, loud noises can sometimes come from the wheel assembly on the rear axle - particularly on bends. Cause: Particles of dirt on the contact surfaces can cause micro-movements in the wheel assembly on the rear axle (rim/brake disc/wheel hub) and this can result in loud noises. Remedial Action: In the event of a customer complaint, clean the wheel assembly on the rear axle as described under "Work Procedure".
122-D7K9V-092018-11-19. Service bulletin. ENGINE. Complaint - Incorrect Allocation of Fault Code (P0153/P0133) for Oxygen Sensor (upstream of Catalytic Converter): Replacing both oxygen sensors (upstreamof catalytic converter) (89/18)
122-G6G3Q-112018-11-13. Service bulletin. STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT. Subject: Moulding for side window Concern: There is a possibility that the wrong lubricant was used for fitting the side windows. If this is the case, there may be a chemical reaction and this will damage the coating on the moulding.
122-Q5H6W-102018-10-15. Service bulletin. STRUCTURE. Information: Due to amanufacturing error, there is a possibility that the front screws for securing the rear axle struts to the body do not meet the required specifications. As a result, the front fastening screws can break over the service life of the vehicle. Remedial Action: Replace front fastening screws on rear axle struts
122-B2S6Q-082018-08-20. Service bulletin. STRUCTURE. Technical Background Bubbles are caused by contamination during the paint process. Service Information There is no paint repair solution. The carbon fiber components with the issue must be replaced.
122-W9X4Z-082018-08-20. Service bulletin. SUSPENSION. Customer Concern The customer states that the front axle lift function is not working. Technical Background The front strut leaks air. A tool with minor damage at the supplier was causing minor damages to struts during production.
122-Q6N7V-082018-08-20. Service bulletin. AIR BAGS. Subject: Airbag switch Symptom: The airbag warning light in the instrument cluster comes on. Cause: Corrosion at the connection point (TSX5) in the passenger footwell can cause the airbag warning light in the instrument cluster to come on.
122-M2N8X-082018-08-20. Service bulletin. FUEL SYSTEM, GASOLINE. Subject: Electric fuel pump Information: There is a possibility that a fuel pressure control valve with a characteristic that does notmeet the required specifications was installed in the fuel pump on the affected vehicles. If this is the case, the valve will open too early and the fuel pressure will fall below the specified minimum pressure. This can result in a reduced fuel supply and the Check Engine light may be activated.
122-P5G7U-072018-08-06. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE. Oil in the wiring harness. If oil is found in the engine wiring harness during a repair, the wiring harness and all the affected components (including the oil pump control valve) must be replaced.
122-F8Y6M-072018-08-06. Service bulletin. STRUCTURE:FRAME AND MEMBERS; STRUCTURE. Customer Concern Customer complains that the top does not open. Technical Background Adjustment of the top may cause its movement to be slower than the control unit expects. If the control unit does not see a changing signal from the rotation angle sensor within 3 seconds of the pump activation, FC 000042 may be set. Internal or external leaks in the system can also cause the issue (Internal check valve, lines, rams).
122-X4K4K-072018-08-06. Service bulletin. BACK OVER PREVENTION; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Symptom: The reversing camera image remains active while driving. Cause: Incorrect coding of the reversing camera control unit can cause the reversing camera image to remain active even while driving.
122-J7H9T-072018-08-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Symptom: The plastic rear window can become damaged or part of it can become visibly detached from the body due to different temperatures and tension while driving. This can cause wind noise. Cause: The components of the rear window ? plastic (polycarbonate), screen print and primer ? are not chemically compatible.
122-S5Z2N-072018-08-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Information: If the customer complains about an oil leak on the turbocharger, always note the following information before doing any other work. ? The turbocharger does not necessarily have to be replaced.
122-P5G7U-072018-07-30. Service bulletin. FUEL SYSTEM, GASOLINE. Oil in the wiring harness. If oil is found in the engine wiring harness during a repair, the wiring harness and all the affected components (including the oil pump control valve) must be replaced.
122-F8Y6M-072018-07-30. Service bulletin. FUEL SYSTEM, GASOLINE. Customer Concern Customer complains that the top does not open. Technical Background Adjustment of the top may cause its movement to be slower than the control unit expects. If the control unit does not see a changing signal from the rotation angle sensor within 3 seconds of the pump activation, FC 000042 may be set. Internal or external leaks in the system can also cause the issue (Internal check valve, lines, rams).
122-X4K4K-072018-07-30. Service bulletin. BACK OVER PREVENTION. Symptom: The reversing camera image remains active while driving. Cause: Incorrect coding of the reversing camera control unit can cause the reversing camera image to remain active even while driving.

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