B1D55 on Lincoln vehicles
B1D55 is named on 8 Lincoln model years (2020–2024): 10 manufacturer filings and 0 owner reports in NHTSA’s files, across Corsair, Aviator, Nautilus, Navigator.
Which Lincoln model years name B1D55
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2020 Lincoln Corsair | Equipment | 3 | — |
| 2024 Lincoln Aviator | Not specified | 1 | — |
| 2024 Lincoln Navigator | Not specified | 1 | — |
| 2023 Lincoln Nautilus | Not specified | 1 | — |
| 2022 Lincoln Corsair | Not specified | 1 | — |
| 2022 Lincoln Nautilus | Not specified | 1 | — |
| 2021 Lincoln Corsair | Electrical System | 1 | — |
| 2021 Lincoln Nautilus | Not specified | 1 | — |
A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.
Lincoln filings that name B1D55
Source: NHTSA manufacturer communicationsBulletins and campaigns Lincoln filed with NHTSA whose summary names B1D55. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- SSM 48896 Service bulletin2020-06-15 · Equipment
- Some 2020 Corsair vehicles may exhibit diagnostic trouble codes (DTCs) P1269, B1A56, B1D55, B1589, and/or B1590 through B1598 stored in the RFA module with no detectable customer symptoms. If these DTCs are detected during pre-delivery inspection (PDI) or while diagnosing unrelated conditions, they should be ignored.
- SSM 48930 Service bulletin2020-06-23 · Electrical System
- Some 2020 Navigator and 2020 Corsair vehicles may have diagnostic trouble codes (DTCs) P1269, B1A56, B1D55, B1589, and/or B1590 through B1598 stored in the RFA module with no reported customer symptoms. If these DTCs are detected during pre-delivery inspection (PDI) or while diagnosing unrelated conditions, they should be disregarded.
- SSM 54555 Service bulletin2026-02-06 · Unknown Or Other
- Some 2020-2022-Corsair, 2021-2023 Nautilus, 2020-2024 Navigator/Aviator, and 2021-2024 Mustang Mach-E vehicles equipped with phone-as-a-key may exhibit various phone-as-a-key concerns with diagnostic trouble codes (DTC) U200D:15, U200E:15, U200F:15, B1589:31/49 through B1598:31/49, B1A56:31/49, B1D55:31/49, and/or B15A5:56 stored in the remote function actuator (RFA) module. If any of these DTCs a
What B1D55 means
Source: SAE J2012 / OBD-IIB1D55 is a manufacturer-specific code: the second character is a 1, which under the OBD-II standard hands the definition to whoever built the vehicle. The same code can mean one thing on a Ford and something unrelated on a Hyundai. Any site that prints a single definition for it is guessing.
A stored code names the test that failed, never the part that caused it. The record above is what Lincoln and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs B1D55 a known problem on Lincoln vehicles?
It is a documented one: NHTSA's files hold 10 manufacturer filings and 0 owner reports naming B1D55 on 8 Lincoln model years (2020–2024). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.
Which Lincoln models does B1D55 appear on most?
2020 Corsair (3 documents), 2024 Aviator (1 document), 2022 Corsair (1 document).
Does B1D55 on a Lincoln mean it is recalled?
No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.