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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.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
122-A7W6Z-102019-10-31. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Porsche intranet posting for WKJ0 campaign, which seeks to reprogram the control unit for the air conditioning system on affected vehicles.
122-K9R9U-102019-10-31. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting for campaign WKC7, which seeks to reprogram the DME control unit on affected vehicles.
122-Z3C2E-102019-10-15. Service bulletin. ELECTRICAL SYSTEM. Announcement of new Tech Live look, which will put technicians into live chats with technical support if they should have an urgent issue
122-L8R6J-102019-10-15. Service bulletin. ELECTRICAL SYSTEM. Bulletin highlighting new updates 38.750, 38.750.000 for the Porsche PIWIS Tester 3
122-B2G3N-102019-10-15. Service bulletin. ELECTRICAL SYSTEM. Information on airbag warning lights due to high cabin temperatures and how to clear the associated faults
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-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-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-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-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-F6W4B-122019-02-25. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; EQUIPMENT. 971 Replacement keys disallow KESSY function
122-H7A2F-122019-02-25. Service bulletin. ELECTRICAL SYSTEM. Information: New data records for the DME control unit and the PDK control unit are available for the affected vehicles. The new data records will enhance vehicle drivability and switching comfort of the vehicles.
122-V3G9L-012019-02-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Replacement Keys Disallow KESSY Function
122-W5F2D-012019-02-25. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Subject: Instrument cluster Information: Due to a process error, the control number SP7 for the software variant of the PDK control unit was not stored in the vehicle order on the affected vehicles.
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-S2T2Y-102018-10-15. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. Technical Background A manufacturing defect damages the key and causes the key battery to discharge prematurely. This damage cannot be repaired.
122-B9L7S-072018-08-06. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Subject: Control unit for rear-end electronics Symptom: The alarm system is triggered spontaneously (for no apparent reason). Cause: The mobile phone antenna (GSM) signals can be picked up by the interior surveillance system and result in spontaneous triggering of the alarm system.
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-A4N2Y-072018-08-06. Service bulletin. ELECTRICAL SYSTEM. Subject: Control unit for Porsche Active Suspension Management (PASM) Information: Due to a software error, there is a possibility that communication between the PASM control unit and other control units will sometimes be aborted when the ignition is switched on in the affected vehicles.
122-B9L7S-072018-07-30. Service bulletin. ELECTRICAL SYSTEM. Subject: Control unit for rear-end electronics Symptom: The alarm system is triggered spontaneously (for no apparent reason). Cause: The mobile phone antenna (GSM) signals can be picked up by the interior surveillance system and result in spontaneous triggering of the alarm system.
122-A4N2Y-072018-07-30. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION. Subject: Control unit for Porsche Active SuspensionManagement (PASM) Information: Due to a software error, there is a possibility that communication between the PASM control unit and other control units will sometimes be aborted when the ignition is switched on in the affected vehicles.
122-M7G3R-052018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Information: The 48-volt system on the affected vehicles can fail when the ignition is switched on due to incorrect initialization. As a result, the electronic anti-roll stabilization system (eAWS) of Porsche Dynamic Chassis Control (PDCC) will no longer be available until the next time the ignition is switched off and on again and the warning message "Chassis system fault - Adapted driving permitted" will be displayed in the menu on the instrument cluster. Remedial Action: Re-program control unit for 48-volt additional battery.
122-L6U2W-042018-04-23. Service bulletin. ELECTRICAL SYSTEM. Subject: Plug socket (230 V/100 V/110 V) Symptom: AC plug socket (230 V/100 V/110 V) does not work. Cause: The bit for "Plug socket switch-off" may be set unnecessarily in the gateway control unit.

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