HazBeen
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Some 2018-2022 Expedition vehicles may exhibit a condition of intermittent headlamp operation while the vehicle is OFF and have diagnostic trouble code (DTC) B1533 stored in the body control module (BCM). This may be due to the internal logic within the headlamp switch. To correct this condition, replace the headlamp switch (service base part number: 11654). Refer to Workshop Manual, Section 417-01.
Attached below is the headlamp switch removal and installation procedure for 2018-2021 and 2022 Expeditions...
Attached below is the headlamp switch removal and installation procedure for 2018-2021 and 2022 Expeditions...