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April 20, 2023 Service bulletin

2023 F-Super Duty vehicles are not compatible with previous model year RKE keys and Ford Accessory keyless...

Ford technical service bulletin SSM 51565 for 2023 Ford F-250 SD, 2023 Ford F-350 SD and 2023 Ford F-450 SD and others.

Bulletin number
SSM 51565
Component
Equipment: electrical
Summary
2023 F-Super Duty vehicles are not compatible with previous model year RKE keys and Ford Accessory keyless entry keypads. A different radio frequency is used on 2023 F-Super Duty vehicles than previous models. Do not attempt to program previous model year RKE keys or keypads to 2023 F-Super Duty vehicles.

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