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Service bulletins for the 2021 Ford F-150

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.

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

By type

By component

By trouble code

Only bulletins with component: Parking brake are shown. Show all

Bulletins, newest first
SSM 515902023-05-16. Service bulletin. PARKING BRAKE. Some 2021-2022 F-150 vehicles equipped with light duty electric park brake calipers (minor feature code FAJAK) may exhibit a squeal noise from the rear brakes after sitting for 8 hours or more. To confirm a vehicle is built with minor feature code FAJAK, review the build information by double-clicking the vehicle identification number in the upper left-hand corner in the Professional Technician System (PTS). To correct this condition, replace rear brake disc (ML1Z-2C026-C) and rear brake pads, caliper pin bolts, and brake pad holding clips (ML3Z-2200-E) on both sides of the vehicle. Refer to Workshop Manual Section 206-04 Rear Disc Brake. For claiming, use causal part number 2552 and applicable labor times from Section 02 of the Service Labor Times Standard Manual. NOTE: Using incorrect service parts on the braking system could impair brake performance.
SSM 514712023-04-05. Service bulletin. PARKING BRAKE; SERVICE BRAKES. Some 2021-2022 F-150 vehicles equipped with light duty electric park brake calipers (minor feature code FAJAK) may exhibit a squeal noise from the rear brakes after sitting for 8 hours or more. To confirm a vehicle is built with minor feature code FAJAK, review the build information by double-clicking the vehicle identification number in the upper left-hand corner in the Professional Technician System (PTS). To correct this condition, replace rear brake disc (ML1Z-2C026-C) and rear brake pads, caliper pin bolts, brake pad clips, and retraction springs (ML3Z-2200-E) on both sides of the vehicle. Refer to Workshop Manual Section 206-04 Rear Disc Brake. For claiming, use causal part number 2552 and applicable labor times from Section 02 of the Service Labor Times Standard Manual. NOTE: Using incorrect service parts on the braking system could impair brake performance.
SSM 514022023-04-04. Service bulletin. PARKING BRAKE. Some 2021-2022 F-150 vehicles equipped with light duty electric park brake calipers (minor feature code FAJAK) may exhibit a squeal noise from the rear brakes after sitting for 8 hours or more. To confirm a vehicle is built with minor feature code FAJAK, review the build information by double-clicking the vehicle identification number in the upper left-hand corner in the Professional Technician System (PTS). To correct this condition, replace rear brake disc (ML14-2A315-BC) and rear brake pads, caliper pin bolts, brake pad clips, and retraction springs (ML3Z-2200-E) on both sides of the vehicle. Refer to Workshop Manual Section 206-04 Rear Disc Brake. For claiming, use causal part number 2552 and applicable labor times from Section 02 of the Service Labor Times Standard Manual. NOTE: Using incorrect service parts on the braking system could impair brake performance.
SSM 503272021-12-26. Service bulletin. PARKING BRAKE. Some 2021 F-150 Tremor vehicles built on or before 26-Aug-2021 may exhibit a condition where the active park assist system is inoperative with an Active Park Fault message displayed in the instrumental panel cluster (IPC) and/or in the SYNC display. This may be due to the software in the anti-lock brake system (ABS). To correct this condition, reprogram the ABS module using the latest software level of the Ford Diagnosis and Repair System (FDRS). For claiming use causal part 2C219 and the applicable labor operations of Section 02 of the Service Labor Time Standards (SLTS) Manual.

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