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October 15, 2026 Service bulletin

"Advance Front Lighting Features Temporarily Unavailable" message with diagnostic trouble codes (DTC)...

Lincoln technical service bulletin SSM 55247 for 2024-2026 Lincoln Nautilus.

Bulletin number
SSM 55247
Component
Unknown or other
Summary
Some 2024-2026 Nautilus vehicles may experience an "Advance Front Lighting Features Temporarily Unavailable" message with diagnostic trouble codes (DTC) B155A and/or B1559 stored in the headlamp control module (HCM). It is no longer recommended to replace the HCM to correct this condition. Workshop Manual (WSM), Section 417-01 > Diagnosis and Testing > Pinpoint Test (PPT) W: "Headlamp Internal Failures - Multiple HCM DTC" has been updated to improve diagnostics for this condition.

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