The control module detected a fault associated with the EGR Air Intrusion in Exhaust Supply to EGR Valve circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.
TuningBot DTC Database · v4.37.15
P1407 Chevrolet - EGR Air Intrusion in Exhaust Supply to EGR Valve
Manufacturer-specific interpretation for Chevrolet. All interpretations of P1407
What P1407 means
Related and nearby codes
How to read P1407
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1407
What does P1407 mean?
EGR Air Intrusion in Exhaust Supply to EGR Valve. The control module detected a fault associated with the EGR Air Intrusion in Exhaust Supply to EGR Valve circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chevrolet.
Is P1407 generic or manufacturer-specific?
P1407 is a manufacturer-specific code. In this database it is documented for: Chevrolet. The same number can mean something different on other brands.
Can TuningBot remove P1407 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: EGR System
