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Service bulletin 18N03-S4

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10155581
Published by NHTSA2019-04-01
Manufacturer's number18N03-S4
Manufacturer's date2019-02-20
NHTSA componentLATCHES/LOCKS/LINKAGES:DOORS:LATCH

NHTSA's summary

Certain 2015-2018 Model Year F-150 and 2017-2018 Model Year F-250-F-550 Vehicles - Door Latch Freezing Concerns

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Latches and locks, Door latch

Vehicles listed
FORD F-1502015, 2016, 2017, 2018
FORD F-250 SD2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
FORD F-350 SD2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
FORD F-450 SD2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
FORD F-550 SD2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
FORD F-650 SD2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
FORD F-750 SD2017, 2018 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
17V6520002017-10-16. LATCHES/LOCKS/LINKAGES:DOORS:LATCH
17V3310002017-05-22. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
18N03-S72019-12-05. Service bulletin. Customer Satisfaction Program 18N03 - Supplement #7 Certain 2015-2018 Model Year F-150 and 2017-2018 Model Year F-250-F-550 Vehicles - Door Latch Freezing Concerns
18N03-S62019-05-07. Service bulletin. Certain 2015-2018 Model Year F-150 and 2017-2018 Model Year F-250-F-550 Vehicles - Door Latch Freezing Concerns
18N03-S42019-04-08. Service bulletin. Certain 2015-2018 Model Year F-150 and 2017-2018 Model Year F-250-F-550 Vehicles - Door Latch Freezing Concerns
18N03-S32019-03-04. Service bulletin. Certain 2015-2018 Model Year F-150 and 2017-2018 Model Year F-250-F-550 Vehicles - Door Latch Freezing Concerns
18N03-S22019-03-04. Service bulletin. Certain 2015-2018 Model Year F-150 and 2017-2018 Model Year F-250-F-550 Vehicles - Door Latch Freezing Concerns
TSB 19-20072019-03-04. Service bulletin. Some 2018-2019 F-150 vehicles built at Kansas City Assembly Plant on or after 4-Apr-2018 and Dearborn Truck Plant on or after 13-Apr-2018 and some F-Super Duty vehicles built at Kentucky Truck Plant on or after 22-Apr-2018 and Ohio Assembly Plant on or after 18-Apr-2018 may exhibit doors that are difficult to unlatch or latch in temperatures at or below freezing. Follow the Service Procedure steps to correct the condition.
18N03-S12018-11-19. Service bulletin. Certain 2018 Model Year Expedition and Navigator Vehicles Equipped With R-1234yf Refrigerant - Special R-1234yf Refrigerant Service Information. Certain 2015-2018 Model Year F-150 and 2017-2018 Model Year F-250-F-550 - Vehicles - Door Latch Freezing Concerns
AEVSB2017-4.62017-08-10. Service bulletin. OEM Security system interface with aftermarket lock systems.
SSM 464092017-03-20. Service bulletin. SOME 2015-2017 F-150 SUPERCAB VEHICLES BUILT ON OR BEFORE 01-JAN-2017 MAY EXHIBIT INOPERATIVE REAR DOOR LOWER LATCHES DURING FREEZING TEMPERATURES. THE REAR DOOR LOWER LATCHES HAVE BEEN REVISED TO INCLUDE A WATER SHIELD AND THE PARTS CATALOG HAS BEEN UPDATED TO SHOW THE NEW NUMBERS. REPLACE THE REAR DOOR LOWER LATCHES, REFER TO WORKSHOP MANUAL (WSM), SECTION 501-14. FOR CLAIMING, USE CAUSAL PART 18264A00 AND APPLICABLE LABOR OPERATIONS IN SECTION 12 OF THE SERVICE LABOR TIME STANDARDS (SLTS) MANUAL.
SSM 462602017-03-10. Service bulletin. SOME 2015-2017 F-150 SUPERCAB VEHICLES MAY EXHIBIT INOPERATIVE REAR DOOR LOWER LATCHES DURING FREEZING TEMPERATURES. THE REAR DOOR LOWER LATCHES HAVE BEEN REVISED TO INCLUDE A WATER SHIELD AND THE PARTS CATALOG HAS BEEN UPDATED TO SHOW THE NEW NUMBERS. REPLACE THE REAR DOOR LOWER LATCHES, REFER TO WORKSHOP MANUAL (WSM), SECTION 501-14. FOR CLAIMING, USE CAUSAL PART 18264A00 AND APPLICABLE LABOR OPERATIONS IN SECTION 12 OF THE SERVICE LABOR TIME STANDARDS (SLTS) MANUAL.