Service bulletins for the 2012 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.
513 on file from NHTSA, as of 2026-10-19.
About P0556 on the 2012 Porsche Panamera: 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: P0556 are shown. Show all
| ATI41303 | 2021-06-28. Service bulletin. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. ATI - Fault P055600 Brake Vacuum System: Mechanical Fault Stored in DME (1303) - Check Engine and Hybrid warning illuminated. |
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| 122-B9S9K-07 | 2018-08-06. Service bulletin. SERVICE BRAKES; ENGINE. Concern: Check Engine and Hybrid warning illuminated Information: If the fault P055600 is stored in the DME, the brake booster vacuum system must be function tested as per the information in Guided Fault Finding and Diagnosis Information. |
| 122-B9S9K-07 | 2018-07-30. Service bulletin. SERVICE BRAKES. Concern: Check Engine and Hybrid warning illuminated Information: If the fault P055600 is stored in the DME, the brake booster vacuum system must be function tested as per the information in Guided Fault Finding and Diagnosis Information. |
| ATI-4-1303 | 2013-10-28. Service bulletin. SERVICE BRAKES. PORSCHE: WHEN THE FAULT CODE P055600 IS STORED, SOME VEHICLES MAY REQUIRE THE BRAKE BOOSTER VACUUM SYSTEM FUNCTION TO BE TESTED. MODEL ALSO INCLUDED PANAMERA S HYBRID (970) MODEL YEAR 2013. *JS UPDATED 6/12/15. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.