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
4Original wording in English
FORD
Some 2023 F-Super Duty vehicles equipped with vacuum assist brakes and built on or before 01-Aug-2023 may exhibit an illuminated brake warning indicator with diagnostic trouble codes (DTC) C0047 and/or P0557 present. This may be due to the brake vacuum sensor. To correct the condition, remove and replace the brake vacuum sensor,…
FORD
Some 2023 F-Super Duty vehicles equipped with vacuum assist brakes may exhibit an illuminated brake warning indicator with diagnostic trouble codes (DTC) C0047 and/or P0557 present. This may be due to the brake vacuum sensor. To correct the condition, remove and replace the brake vacuum sensor, part NK4Z-2C444-A. To prevent repe…
FORD, LINCOLN
Some 2020 Explorer/Aviator vehicles built on or before 15Jul-2020 may exhibit a perceived soft/low brake pedal at initial vehicle start up with diagnostic trouble code (DTC) C0047:64 stored in the anti-lock brake system (ABS) module. The vehicle may also exhibit an illuminated ABS, Advance Trac, and/or red brake warning lamp, an…
FORD, LINCOLN
Some 2020 Explorer/Aviator vehicles may exhibit a perceived lack of power brake assist or extended brake pedal travel at initial vehicle start up with diagnostic trouble code (DTC) C0047:64 stored in the anti-lock brake system (ABS) module. The vehicle may also exhibit an illuminated ABS, Advance Trac, and/or red brake warning l…
Check vehicle applicability
8A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ford | EXPLORER ↗ | 2020 |
| Ford | F-250 SD ↗ | 2023 |
| Ford | F-350 SD ↗ | 2023 |
| Ford | F-450 SD ↗ | 2023 |
| Ford | F-550 SD ↗ | 2023 |
| Ford | F-650 SD ↗ | 2023 |
| Ford | F-750 SD ↗ | 2023 |
| Lincoln | AVIATOR ↗ | 2020 |
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.