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U2100 on the 2025 Lincoln Aviator

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name U2100
SSM 543602025-11-12. Service bulletin. Some 2025 Aviator vehicles equipped with 28 radio speakers (minor feature code IDBBN) may have previously exhibited at least one of the following error messages in Ford Diagnosis and Repair System (FDRS) while programming the audio digital signal processing module (DSP):<br /><br /> * "Procedure Unsuccessful - ReadDTCs DTCs present: U2101 (Control Module Configuration Incompatible)"<br /> * "Procedure Unsuccessful - ReadDTCs DTCs present: U2100 (Initial Configuration Not Complete)"<br /> * "Procedure Unsuccessful - FlashSoftware Failed to flash RC5T-14C656-BH"<br /> * "ValidateFlashActionDIDsAgainstModule Update was not successful! FAIL - F10A = >>> SHOULD = RC5T-14C656-BH"<br /><br /> For any programming concerns not listed above, continue diagnosis outside this article. Refer to Workshop Manual, Section 418-01A > General Procedures.<br /><br /> This concern may be due to the software in the DSP. To correct this condition, program the DSP using the latest software level of the FDRS scan tool. For claiming, use causal part 18B849 and labor operations 12651D and 12651D4.<br /><br /> To co
SSM 536882025-05-01. Service bulletin. Some 2024-2025 Aviator vehicles equipped with air suspension may exhibit a drive malfunction and/or suspension fault message in the instrument panel cluster (IPC) with diagnostic trouble codes (DTCs) B1041 and U2100 stored in the suspension control module A (SUMA). This may be due to the SUMA entering diagnostic service mode following suspension system diagnosis or repair. Clear DTCs using FDRS > "SUMA > Transport and Factory Mode Deactivation" function. For other DTCs refer to Workshop Manual (WSM) > Section 204-05 Vehicle Dynamic Suspension for normal diagnostics.
SSM 535692025-04-09. Service bulletin. Some 2021-2025 Ford and Lincoln vehicles may exhibit diagnostic trouble code (DTCs) U2100 and/or U3002 stored in the cruise control module (CCM), side obstacle detection control module LH (SODL), side obstacle detection control module RH (SODR), side obstacle detection control module C (SODCMC) and/or side obstacle detection control module D (SODCMD) after a module replacement.

3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.