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.
Manufacturer communications
15Original wording in English
BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms P04FB
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms P04FB
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms P04FB
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
CADILLAC, CHEVROLET, GMC
Reported code forms P04FB
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
BUICK, CADILLAC
Reported code forms P04FB
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
CHEVROLET, GMC
Reported code forms P04FB
This Preliminary Information communicates a potential MIL / SES due to P04FB that Engineering is currently working on a design improvement.
Check vehicle applicability
53A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Buick | ENVISION | 2025 |
| Buick | ENVISION | 2024 |
| Buick | ENVISION | 2023 |
| Buick | ENVISION | 2022 |
| Buick | ENVISION | 2021 |
| Cadillac | CT4 | 2025 |
| Cadillac | CT4 | 2024 |
| Cadillac | CT4 | 2023 |
| Cadillac | CT4 | 2022 |
| Cadillac | CT4 | 2021 |
| Cadillac | CT4 | 2020 |
| Cadillac | CT5 | 2025 |
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.
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.