SSM 51617
Service Bulletin Details
Public Details for: SSM 51617
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 log
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SSM 51617 2018-2022 Expedition (U553) (B8) 2018-2022 Expedition - Headlamps Turn On By Themselves When Vehicle Is Off DTC B1533 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.