The control module detected improper operation of the Automatic transmission low coast brake - solenoid valve. This is the manufacturer-specific definition used by Nissan.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
774
Specific fault index within the subsystem.
Frequently asked questions about P1774
What does P1774 mean?
Automatic transmission low coast brake - solenoid valve malfunction. The control module detected improper operation of the Automatic transmission low coast brake - solenoid valve. This is the manufacturer-specific definition used by Nissan.
Is P1774 generic or manufacturer-specific?
P1774 is a manufacturer-specific code. In this database it is documented for: Nissan. The same number can mean something different on other brands.
Can TuningBot remove P1774 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.