The control module detected that the signal in the Crankcase Ventilation Hose Connection circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.14
P04E2 Crankcase Ventilation Hose Connection Sensor Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P04E2 means
Related and nearby codes
How to read P04E2
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 P04E2
What does P04E2 mean?
Crankcase Ventilation Hose Connection Sensor Circuit Low. The control module detected that the signal in the Crankcase Ventilation Hose Connection circuit stayed below the expected operating range.
Is P04E2 generic or manufacturer-specific?
P04E2 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P04E2 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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
