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
12Original 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…
BUICK, CHEVROLET, GMC
This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp Illuminated and/or Service Brake Assist Message Displayed, with DTC P0557 Stored.
BUICK, CHEVROLET, GMC
This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp Illuminated and/or Service Brake Assist Message Displayed, with DTC P0557 Stored.
Check vehicle applicability
42A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Buick | ENCLAVE ↗ | 2021 |
| Buick | ENCLAVE ↗ | 2020 |
| Buick | ENCLAVE ↗ | 2019 |
| Buick | ENCLAVE ↗ | 2018 |
| Buick | ENVISION ↗ | 2020 |
| Buick | ENVISION ↗ | 2019 |
| Buick | ENVISION ↗ | 2018 |
| Buick | ENVISION ↗ | 2017 |
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.