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
Only bulletins with component: Transmission control module are shown. Show all
| WMD1 | 2021-06-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Porsche intranet posting with preliminary information for Porsche workshop campaign WMD1 Workshop Campaign -PCM Software Update. |
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| No. 2020 | 2020-10-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Information on new special tool for offline updates of the PCM Versions 4 and 5. |
| No. 85-19 | 2020-09-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Service campaign information for Porsche Workshop campaign WJ76 - Performing PCM Software Update. |
| 122-T5A2Z-05 | 2018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT. Condition The remote key battery is discharged before it?s expected. Technical Background A manufacturing defect damages the key and causes the key battery to discharge prematurely. This damage cannot be repaired. |
| 122-R6Y8J-05 | 2018-05-21. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Condition The customer experiences an interruption in Apple CarPlay service after selecting the reverse gear. In other words, after the PCM screen displays the reverse camera, the PCM screen will not display Apple CarPlay until the user resets the PCM (perhaps by cycling the ignition). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.