The control module detected that the signal in the Kickdown Solenoid circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Ford.
TuningBot DTC Database · v4.37.15
P1904 Ford - Kickdown Solenoid Circuit High Voltage
Manufacturer-specific interpretation for Ford. All interpretations of P1904
What P1904 means
Related and nearby codes
How to read P1904
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 P1904
What does P1904 mean?
Kickdown Solenoid Circuit High Voltage. The control module detected that the signal in the Kickdown Solenoid circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Ford.
Is P1904 generic or manufacturer-specific?
P1904 is a manufacturer-specific code. In this database it is documented for: Ford. The same number can mean something different on other brands.
Can TuningBot remove P1904 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
