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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-H4T8S-032020-03-05. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Porsche intranet posting for Workshop campaign WKK2. WKK2 Workshop campaign - Re-programming Tire Pressure Monitoring (TPM) control unit
122-Z5A3V-032020-03-05. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Repair instructions for Workshop Campaign WJ20, which seeks to replace the Stability management control unit (PASM) on affected Panamera vehicles.
122-V4J2F-032020-03-05. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS tester update 39.200.000, .010, .015, .016, & .017
122-K8T3G-032020-03-05. Service bulletin. WHEELS. List of approved wheels and tires for the Panamera.
122-E3A6P-032020-03-05. Service bulletin. WHEELS. Instructions for fixing a rattling noise from the engine on 2017 through 19 Panameras. The remedy is to check the bracing wheel on the balance shaft and replace if necessary.
122-S9T2K-032020-03-05. Service bulletin. STEERING. Instructions for correcting a noise symptom on 2017 through 19 Panamera Vehicles. The remedy is to fit a mass on the evaporator line to break up the air causing noise.
122-H7W8J-022020-02-04. Service bulletin. EQUIPMENT. Technical Bulletin for retrofitting rear seat entertainment on Panamera vehicles.
122-R2R4R-022020-02-04. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL. Technical information on how to fix the issue of the Maximum speed allowed by Porsche InnoDrive is 18mph. This can be eliminated by using an SD card to reprogram the vehicle's central computer.
122-T3F5T-022020-02-04. Service bulletin. VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM. Technical information on how to fix the issue of the Maximum speed allowed by Porsche InnoDrive is 18mph. This can be eliminated by using an SD card to reprogram the vehicle's central computer.
122-G2D2B-022020-02-04. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin outlining what to do if when programming a new key the message displays "No Information Available". The rear end electronics Control Unit must be recoded in this event.
122-T9S3B-022020-02-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C30 engine oils for all Porsche vehicles since 1984.
122-S7T2P-022020-02-04. Service bulletin. VISIBILITY; EQUIPMENT. Technical information concerning complaints that the interior surveillance system is deactivated in affected vehicles. The remedy is to reprogram the Rear-end Electronics Control Unit.
122-Z2X7A-022020-02-04. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all Porsche vehicles since 1984.
122-S7K8Z-022020-02-04. Service bulletin. WHEELS; ENGINE AND ENGINE COOLING. List of approved A40 engine oils for all Porsche vehicles since 1984.
122-T6A9F-022020-02-04. Service bulletin. SEATS; WHEELS; ENGINE. Parts withdrawal for various parts that were used in Recall and workshop campaigns.
122-Y3Y7Y-022020-02-04. Service bulletin. ELECTRICAL SYSTEM. Parts withdrawal bulletin for various outdated control units on a variety of vehicles.
122-H6M8Z-012020-01-04. Service bulletin. EQUIPMENT. Porsche Intranet posting outlining the Warranty Credit stop that takes place at the end of every calendar year.
122-A9M4Z-012020-01-04. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. Additional information for repairing leaking cylinder head covers near the injector holes.
122-H4F7Z-012020-01-03. Service bulletin. EQUIPMENT. Updated worksheet for Chassis and VIN numbering system. Updated to include 2020 Models including the Taycan.
122-L7Q9T-012020-01-03. Service bulletin. EQUIPMENT. Updated bulletin with the full list of Porsche model type designations.
122-A9R3U-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about new PIWIS Tester update 39.050.010
122-S2J9B-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about new PIWIS Tester update 39.050.012
122-Y9Z9P-012020-01-03. Service bulletin. EQUIPMENT. Information about new PIWIS Tester updates 39.000.022 and 39.050.000
122-M6J2U-012020-01-03. Service bulletin. ELECTRICAL SYSTEM. Information about PIWIS Tester update 39.000.020
122-F5T6X-012020-01-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Instructions for manually setting the date and time on older model vehicles with GPS and PCM 2.1 or older.

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