Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
3Original wording in English
FORD, LINCOLN
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 store…
LINCOLN
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 disreg…
LINCOLN
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.
Check vehicle applicability
20A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ford | MUSTANG MACH E ↗ | 2024 |
| Ford | MUSTANG MACH E ↗ | 2023 |
| Ford | MUSTANG MACH E ↗ | 2022 |
| Ford | MUSTANG MACH E ↗ | 2021 |
| Lincoln | AVIATOR ↗ | 2024 |
| Lincoln | AVIATOR ↗ | 2023 |
| Lincoln | AVIATOR ↗ | 2022 |
| Lincoln | AVIATOR ↗ | 2021 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Autolamp Delay Increase Circuit Short To Battery
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.