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Service bulletins for the 2018 Porsche Panamera

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.

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

By type

By component

By trouble code

Bulletins, newest first
122-N5V9B-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Instructions for retrofitting Sport Plus Mode on vehciles without sport chrono package already installed. This bulletin is specifically for the new Porsche PCM4 which was new for MY17.
122-T3H2H-092019-09-23. Service bulletin. STRUCTURE. Instructions for installing the Porsche Bicycle Rack on applicable models with an already installed roof transportation system
122-E2L9P-092019-09-23. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. Instructions for installing the Porsche Roof Box on applicable models with an already installed roof transportation system
122-Z6Y7L-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.030 & 035.
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-R5N9B-092019-09-23. Service bulletin. EQUIPMENT. Troubleshooting information for customers experiencing issues with their Universal Garage Door Opener.
122-H8K6P-092019-09-23. Service bulletin. TIRES; WHEELS. List of approved wheel and tire combinations for the MY17 Panamera and newer.
122-E5V9Y-082019-08-12. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Instructions on carrying out the WKC7 Workshop campaign, which is a re-programming of the DME control unit in order to optimize the control of the oxygen sensor downstream of the catalytic converter.
122-R7T2N-082019-08-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on new special tools for the Panamera (971) which will auto ship to dealers upon release.
122-S2Y8Z-082019-08-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Instructions on new tools used for recalibrating the Heads Up Display on Panamera and Cayenne models.
122-W7G6T-082019-08-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Information on possible rumbling noise and vibrations in steering wheel when Air Conditioning is at its highest setting. Also contains procedure for reworking A/C compressor to eliminate symptoms.
122-W5C2W-082019-08-12. Service bulletin. ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. Information about possible engine knocking and how to clean carbon deposits is they are dirty and causing knocking.
122-R8F8C-072019-07-08. Service bulletin. SERVICE BRAKES. Instructions for carrying out Workshop Campaign WJ83, Re-programming Control Units for PSM and Brake Booster. With the current combination of Porsche Stability Management and the Electric Brake Booster, the two control units may fluctuate the tactile feedback of the brake pedal at low speeds.
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-L6P5E-072019-07-08. Service bulletin. ELECTRICAL SYSTEM. Request for dealers to remove Special Tool VAS 6839 from High Voltage tool box because the unit could give erroneous voltage readings. PAG has decided that VAS 6558A could be used in its place.
122-D3S9X-062019-06-24. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Instructions for re-programming the Air Conditioning Control Unit on affected Panamera vehicles. Faults stored in the control unit may cause the air conditioning air flow to work notas intended according to selected positions.
122-H5U6B-062019-06-24. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. Technical Bulletin detailing new Special Tool, Flexray Vehicle Network Tester, which is now a required tool to communicate with the vehicles modules and the Porsche in-house tester known as the PIWIS Tester III.
122-B5D5V-062019-06-24. Service bulletin. EQUIPMENT. Withdrawal of Part Number 971858331B 1E0 as it has been superceded by Part Number 971857335C 1E0.
122-Y8A8W-042019-04-08. Service bulletin. STRUCTURE:BODY:DOOR. The closing aid for the front doors may not work at negative outside temperatures.
122-T4V3R-042019-04-08. Service bulletin. ENGINE AND ENGINE COOLING. There is cast residue in the cylinder head cover sealing groove, causing the injector holes to leak.
122-J9T9U-042019-04-08. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. Outer seal on Panoramic roof is faulty, causing water to leak into vehicle.

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