What does code P2C90 mean?

Q: What does code P2C90 mean?

Crankcase Ventilation System - Hose A Disconnected. P2C90 indicates that the engine control module has detected a disconnected or open circuit in the crankcase ventilation system's hose A, which is typically the fresh air intake hose that supplies filtered air to the crankcase. The computer monitors the pressure or flow within the system and sets this code when the expected signal is lost, indicating the hose is not properly connected or has failed.

DTC codes / P2Cxx · Hybrid propulsion / P2C90

P2C90Crankcase Ventilation System - Hose A Disconnected

P2C90 indicates that the engine control module has detected a disconnected or open circuit in the crankcase ventilation system's hose A, which is typically the fresh air intake hose that supplies filtered air to the crankcase. The computer monitors the pressure or flow within the system and sets this code when the expected signal is lost, indicating the hose is not properly connected or has failed.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaHybrid propulsion

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.