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Service bulletins for the 2021 Ford Bronco

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.

322 on file from NHTSA, as of 2026-10-19.

About P050F on the 2021 Ford Bronco: 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: P050F are shown. Show all

Bulletins, newest first
SSM 529952024-10-01. Service bulletin. UNKNOWN OR OTHER. Some 2021-2022 Bronco vehicles equipped with the 2.3L engine may exhibit a red brake warning lamp and brake system warning message in the instrument panel cluster (IPC) with a diagnostic trouble code (DTC) P050F in the anti-lock brake system (ABS) module.
SSM 512012022-11-30. Service bulletin. BACK OVER PREVENTION: WARNINGS. Some 2021-2022 Bronco vehicles equipped with the 2.3L engine may exhibit a red brake warning lamp and brake system warning message in the instrument panel cluster (IPC) with a diagnostic trouble code (DTC) P050F in the anti-lock brake system (ABS) module. This may be accompanied by an intermittent firm brake pedal after driving for long periods at highway speeds. This may be due to improper sealing of an internal diaphragm within a brake booster vacuum line. To correct this condition, replace the vehicle's vacuum line with the latest version service part number MB3Z-2420-H or later. Refer to Workshop Manual (WSM), Section 206-09 for installation instructions. For claiming, use casual part 2420.
SSM 503142021-12-07. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. Some 2021 Bronco vehicles equipped with the 2.3L engine may exhibit a red brake warning lamp and/or brake system warning message in the instrument panel cluster (IPC) with a diagnostic trouble code (DTC) P050F in the anti-lock brake system (ABS) module and a firm brake pedal. This may be due to contamination in a brake booster vacuum line. To correct this condition, replace the vehicle's vacuum hose (MB3Z-2420-A). Refer to Workshop Manual (WSM), Section 206-09 for installation instructions. For claiming, use casual part 2420.

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