The control module detected a fault associated with the Low Speed Radiator Fan Control Relay Condition circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mitsubishi.
TuningBot DTC Database · v4.37.15
P1490 Mitsubishi - Low Speed Radiator Fan Control Relay Condition
Manufacturer-specific interpretation for Mitsubishi. All interpretations of P1490
What P1490 means
Related and nearby codes
How to read P1490
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 P1490
What does P1490 mean?
Low Speed Radiator Fan Control Relay Condition. The control module detected a fault associated with the Low Speed Radiator Fan Control Relay Condition circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mitsubishi.
Is P1490 generic or manufacturer-specific?
P1490 is a manufacturer-specific code. In this database it is documented for: Mitsubishi. The same number can mean something different on other brands.
Can TuningBot remove P1490 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
