NHTSA ID Number: 11028830
Manufacturer Communication Number: TSB 25-2621
TSB/Document Date: 2026-02-17
Summary
Some vehicles listed in the Model statement above may exhibit a no crank/no start condition where the customer cannot start their vehicle. The vehicle may also exhibit a "No Key Detected" message displayed on the instrument panel cluster (IPC), and no key fob works in the back up slot. The remote keyless entry (RKE) functionality will work to lock/unlock the vehicle.
TECHNICAL SERVICE BULLETIN
No Crank/No Start - "No Key Detected"
25-2621
09 February 2026
Model:
Ford
2024-2025 Bronco
2025 Expedition
2025 Explorer
2024-2025 F-150
2023-2025 F-Super Duty
2024-2025 Mustang
2024-2025 Ranger
Lincoln
2025 Aviator
2024-2025 Nautilus
2025 Navigator
Markets: North American markets only
Issue: Some vehicles listed in the Model statement above may exhibit a no crank/no start condition where the customer cannot start their vehicle. The vehicle may also
exhibit a "No Key Detected" message displayed on the IPC, and no key fob works in the back up slot. The RKE functionality will work to lock/unlock the vehicle.
Action: To correct the condition, follow the Service Procedure steps to perform the "Body Control Module (BCM) Hardware Test Guided Routine", reprogram the key
fobs and/or replace the BCM.
Parts - Parts To Inspect And Replace Only If Necessary
Service Part
Number
Claim Quantity
15604
Package Order Quantity
Only If Necessary (1
Possible)
Number in
Package
Only If Necessary (1
Possible)
1
Description
BCM - Refer To The Parts Catalog For The VIN Specific
Application
Service part numbers and "number in package" quantity may change after publication, thus also affecting the "package order quantity". Refer to the parts catalog for the
latest information.
Claim Quantity refers to the total number of individual pieces required to repair the vehicle.
Package Order Quantity refers to the amount of the service part number package(s) required to repair the vehicle.
Number In Package refers to the number of individual pieces included in a service part number package, also known as unit of issue (UOI).
Only If Necessary indicates the part is not mandatory. Refer to the Service Procedure to determine the inspection/inclusion criteria.
Warranty Status: Warranty coverage limits and policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.
Labor Times
Description
Operation No. Time
2024-2025 F-150/Nautilus/F-Super Duty/Ranger: Run BCM Hardware Test - Pass – Repair No Key Detected Outside Of This Article
252621A
0.3 Hrs.
2024-2025 F-150/Nautilus/F-Super Duty/Ranger: Run BCM Hardware Test - Fail, Replace BCM
252621B
1.0 Hrs.
2024-2025 F-150/Nautilus/F-Super Duty/Ranger: Reprogram Both Key Fobs – Pass
252621C
0.3 Hrs.
2024-2025 F-150/Nautilus/F-Super Duty/Ranger: Reprogram Both key Fobs – Fail, Replace BCM
252621D
1.0 Hrs.
2024-2025 Mustang, 2025 Aviator/Explorer: Run Run BCM Hardware Test - Pass – Repair No Key Detected Outside Of This Article
252621E
0.3 Hrs.
2024-2025 Mustang, 2025 Aviator/Explorer: Run BCM Hardware Test - Fail, Replace BCM
252621F
1.2 Hrs.
2024-2025 Mustang, 2025 Aviator/Explorer: Reprogram Both Key Fobs – Pass
252621G
0.3 Hrs.
2024-2025 Mustang, 2025 Aviator/Explorer: Reprogram Both key Fobs – Fail, Replace BCM
252621H
1.1 Hrs.
2025 Expedition/Navigator: Run BCM Hardware Test - Pass – Repair No Key Detected Outside Of This Article
252621J
0.3 Hrs.
2025 Expedition/Navigator: Run BCM Hardware Test - Fail, Replace BCM
252621K
1.1 Hrs.
2025 Expedition/Navigator: Reprogram Both Key Fobs – Pass
252621L
0.3 Hrs.
2025 Expedition/Navigator: Reprogram Both key Fobs – Fail, Replace BCM
252621M
1.0 Hrs.
2024-2025 Bronco: Run BCM Hardware Test - Pass – Repair No Key Detected Outside Of This Article
252621N
0.3 Hrs.
2024-2025 Bronco: Run BCM Hardware Test - Fail, Replace BCM
252621P
0.8 Hrs.
2024-2025 Bronco: Reprogram Both Key FOB’s – Pass
252621Q
0.3 Hrs.
2024-2025 Bronco: Reprogram Both key FOB’s – Fail, Replace BCM
252621R
0.8 Hrs.
Repair/Claim Coding
Causal Part:
14F546
Condition Code: 42
Service Procedure
1. Is the vehicle a 2025 Expedition/Navigator/F-Super Duty, 2025 Explorer/Aviator built on or after 02-Feb-2025, 2025 Nautilus built on or after 17-Feb-2025, or 2025 F150 built on or after 16-Jul-2025?
(1). Yes - proceed to Procedure 1 - No Crank/No Start - Body Control Module (BCM) Hardware Test.
(2). No - proceed to Step 2.
2. Is the vehicle a 2023-2024 F-Super Duty, 2024-2025 Ranger/Bronco/Mustang, 2024-2025 F-150 built on or before 15-Jul-2025, 2024-2025 Nautilus built on or before
16-Feb-2025, or 2025 Explorer/Aviator built on or before 01-Feb-2025?
(1). Yes - proceed to Procedure 2 - No Crank/No Start - Diagnostics.
(2). No - this article does not apply. Refer to WSM, Section 419-01C for normal diagnostics.
Procedure 1 - No Crank No Start - Body Control Module (BCM) Hardware Test
1. Manually enter the VIN into the VIN entry dialog in FDRS and then start a session using the VCM II, VCM III, or VCMM or later level device with USB cable
disconnected from the laptop.
2. Select "BCM - Body Control Module" (BCM) Hardware Test" from the Toolbox.
3. Select "Run" and connect the VCM II, VCM III, or VCMM or later level device USB cable to the laptop.
4. Follow the instructions as directed by the "BCM - Body Control Module (BCM) Hardware Test" Guided Routine. Does the routine direct BCM replacement?
(1). Yes - replace the BCM. Refer to WSM, Section 419-01B.
(2). No - complete diagnosis and repairs for "No Key Detected" outside of this article.
Procedure 2 - No Crank/No Start - Diagnostic
1. Place one or both keys in the vehicle and try to start the vehicle.
2. Does a “No Key Detected” message appear display on the IPC?
(1). Yes - proceed to Step 3.
(2). No - this article does not apply. Refer to WSM, Section 419-01B for normal diagnostics.
3. Reprogram both key fobs. Refer to WSM and any applicable service messages. Was the key fob programming successful?
(1). Yes - repair is complete.
(2). No - proceed to Step 4.
4. Replace the BCM. Refer to WSM, Section 419-10.
© 2026 Ford Motor Company
All rights reserved.
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and equipment to do the job properly and safely. It informs these
technicians of conditions that may occur on some vehicles, or provides information that could assist in proper vehicle service. The procedures should not be performed by "do-it-yourselfers". Do not assume that
a condition described affects your car or truck. Contact a Ford or Lincoln dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy and Extended Service Plan documentation
determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article. The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor
Company reserves the right to supersede this information with updates. The most recent information is available through Ford Motor Company's on-line technical resources.
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TSB/Document ID: TSB 25-2621
Replacement Service Bulletin Number:
MFR Communication Date: 2026-02-10
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
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