The control module detected a fault associated with the Crankcase Ventilation System - Hose A Disconnected circuit or function; the stored code identifies the affected component rather than a single failure mode.
TuningBot DTC Database · v4.37.15
P2C90 Crankcase Ventilation System - Hose A Disconnected
Generic (OBD-II) interpretation + 1 manufacturer-specific in the TuningBot DTC database.
Generic (OBD-II) interpretation
Manufacturer-specific interpretations
Ford
1 interpretationFord documents P2C90:00 (no sub type information) for its 2024-2025 gasoline-engine OBD monitor strategy as crankcase ventilation system – hose “a” disconnected. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.
Recommended checks
- Perform a full module scan
- Review freeze-frame and occurrence data
- Compare commanded and measured values
- Check applicable OEM service information
Related and nearby codes
How to read P2C90
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P2C90
What does P2C90 mean?
Crankcase Ventilation System - Hose A Disconnected. The control module detected a fault associated with the Crankcase Ventilation System - Hose A Disconnected circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P2C90 generic or manufacturer-specific?
P2C90 exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Ford. Always read it in the context of your vehicle.
Can TuningBot remove P2C90 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
