Service bulletins for the 2018 Buick Enclave
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.
1027 on file from NHTSA, as of 2026-10-19.
About P050F on the 2018 Buick Enclave: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P050F are shown. Show all
| 17-NA-342 | 2021-04-16. Service bulletin. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM:SOFTWARE. Service Brake Assist Message displayed on Initial Start Up with DTC P050F Set Condition Some customers may comment that on first start up they receive a "Service Brake Assist Message" displayed. During diagnosis a technician may find DTC P050F set. Cause This may be due to a calibration within the Electronic Brake Control Module (EBCM) not giving the engine enough time to build system vacuum. Correction Reprogram the EBCM with the latest calibrations |
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| 17NA342 | 2018-06-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides a procedure to reprogram the EBCM with the latest calibrations to correct a condition of Service Brake Assist Message displayed on Initial Start Up with DTC P050F Set due to a software issue. |
| PIT5610 | 2018-05-21. Service bulletin. STEERING. This Preliminary information communicatesa Service Engine Soon Lamp with P050F. Check vacuum system for proper operation. If vacuum system is operating properly, replace brake booster. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.