Service bulletins for the 2018 Porsche Macan
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.
584 on file from NHTSA, as of 2026-10-19.
About P1388 on the 2018 Porsche Macan: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P1388 are shown. Show all
| 122-X9C4Z-03 | 2020-03-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. Instructions for correcting a check engine light with fault P138800 on Macan models. Remedy is to reprogram the engine electronics with software 38.600.020 or higher. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.