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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.

P · PowertrainEngineOBD2
Brand pages:Ford

Generic (OBD-II) interpretation

P2C90
Crankcase Ventilation System - Hose A Disconnected Generic · engine Data confidence 65%

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.

Manufacturer-specific interpretations

Ford

1 interpretation
P2C90:00
Crankcase Ventilation System – Hose “A” Disconnected Ford · engine Data confidence 94%

Ford 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
Applies to Ford gasoline-engine OBD applications|2024-2025 model years

Related and nearby codes

How to read P2C90

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

C90

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

ECU tuningStage 1 dyno results for Ford engines See the results →

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