TSB: FORD EXPEDITION, F-150, F-250 SD, F-350 SD, F-450 SD, F-550 SD, NAVIGATOR (2015–2020)

Bulletin SSM 50154 — September 27, 2021

Bulletin Details

Bulletin IDSSM 50154
ManufacturerFORD
ModelsEXPEDITION, F-150, F-250 SD, F-350 SD, F-450 SD, F-550 SD, NAVIGATOR
Model Years2015–2020
Date IssuedSeptember 27, 2021
Date Added to NHTSASeptember 28, 2021
ComponentELECTRICAL SYSTEM
Vehicles Affected84 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

Some 2018-2020 Expedition/Navigator, 2015-2020 F150 and 2017-2020 F-Super Duty vehicles equipped with power running boards (PRB) may exhibit a condition where the PRBs are disabled, changing the feature menu setting from Auto to Off mode in

Affected Vehicles

MakeModelYearComponent
FORD EXPEDITION 2020 110000 ELECTRICAL SYSTEM
FORD EXPEDITION 2020 350000 EQUIPMENT
FORD EXPEDITION 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-150 2020 110000 ELECTRICAL SYSTEM
FORD F-150 2020 350000 EQUIPMENT
FORD F-150 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-250 SD 2020 110000 ELECTRICAL SYSTEM
FORD F-250 SD 2020 350000 EQUIPMENT
FORD F-250 SD 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-350 SD 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-350 SD 2020 350000 EQUIPMENT
FORD F-350 SD 2020 110000 ELECTRICAL SYSTEM
FORD F-450 SD 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-450 SD 2020 350000 EQUIPMENT
FORD F-450 SD 2020 110000 ELECTRICAL SYSTEM
FORD F-550 SD 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-550 SD 2020 110000 ELECTRICAL SYSTEM
FORD F-550 SD 2020 350000 EQUIPMENT
LINCOLN NAVIGATOR 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
LINCOLN NAVIGATOR 2020 350000 EQUIPMENT
LINCOLN NAVIGATOR 2020 110000 ELECTRICAL SYSTEM
FORD EXPEDITION 2019 110000 ELECTRICAL SYSTEM
FORD EXPEDITION 2019 350000 EQUIPMENT
FORD EXPEDITION 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-150 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-150 2019 350000 EQUIPMENT
FORD F-150 2019 110000 ELECTRICAL SYSTEM
FORD F-250 SD 2019 110000 ELECTRICAL SYSTEM
FORD F-250 SD 2019 350000 EQUIPMENT
FORD F-250 SD 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-350 SD 2019 350000 EQUIPMENT
FORD F-350 SD 2019 110000 ELECTRICAL SYSTEM
FORD F-350 SD 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-450 SD 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-450 SD 2019 110000 ELECTRICAL SYSTEM
FORD F-450 SD 2019 350000 EQUIPMENT
FORD F-550 SD 2019 350000 EQUIPMENT
FORD F-550 SD 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-550 SD 2019 110000 ELECTRICAL SYSTEM
LINCOLN NAVIGATOR 2019 110000 ELECTRICAL SYSTEM
LINCOLN NAVIGATOR 2019 350000 EQUIPMENT
LINCOLN NAVIGATOR 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD EXPEDITION 2018 110000 ELECTRICAL SYSTEM
FORD EXPEDITION 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD EXPEDITION 2018 350000 EQUIPMENT
FORD F-150 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-150 2018 350000 EQUIPMENT
FORD F-150 2018 110000 ELECTRICAL SYSTEM
FORD F-250 SD 2018 110000 ELECTRICAL SYSTEM
FORD F-250 SD 2018 350000 EQUIPMENT
FORD F-250 SD 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-350 SD 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-350 SD 2018 350000 EQUIPMENT
FORD F-350 SD 2018 110000 ELECTRICAL SYSTEM
FORD F-450 SD 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-450 SD 2018 350000 EQUIPMENT
FORD F-450 SD 2018 110000 ELECTRICAL SYSTEM
FORD F-550 SD 2018 110000 ELECTRICAL SYSTEM
FORD F-550 SD 2018 350000 EQUIPMENT
FORD F-550 SD 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
LINCOLN NAVIGATOR 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
LINCOLN NAVIGATOR 2018 350000 EQUIPMENT
LINCOLN NAVIGATOR 2018 110000 ELECTRICAL SYSTEM
FORD F-150 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-150 2017 350000 EQUIPMENT
FORD F-150 2017 110000 ELECTRICAL SYSTEM
FORD F-250 SD 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-250 SD 2017 350000 EQUIPMENT
FORD F-250 SD 2017 110000 ELECTRICAL SYSTEM
FORD F-350 SD 2017 350000 EQUIPMENT
FORD F-350 SD 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-350 SD 2017 110000 ELECTRICAL SYSTEM
FORD F-450 SD 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-450 SD 2017 350000 EQUIPMENT
FORD F-450 SD 2017 110000 ELECTRICAL SYSTEM
FORD F-550 SD 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-550 SD 2017 350000 EQUIPMENT
FORD F-550 SD 2017 110000 ELECTRICAL SYSTEM
FORD F-150 2016 110000 ELECTRICAL SYSTEM
FORD F-150 2016 350000 EQUIPMENT
FORD F-150 2016 356000 EQUIPMENT ADAPTIVE/MOBILITY
FORD F-150 2015 110000 ELECTRICAL SYSTEM
FORD F-150 2015 350000 EQUIPMENT
FORD F-150 2015 356000 EQUIPMENT ADAPTIVE/MOBILITY

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized FORD dealer. Bring this bulletin ID (SSM 50154) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.