The control module detected that the signal in the Fuel Additive Pump Control circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Ford.
TuningBot DTC Database · v4.37.15
P1933 Ford - Fuel Additive Pump Control Circuit Low
Manufacturer-specific interpretation for Ford. All interpretations of P1933
What P1933 means
Related and nearby codes
How to read P1933
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 P1933
What does P1933 mean?
Fuel Additive Pump Control Circuit Low. The control module detected that the signal in the Fuel Additive Pump Control circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Ford.
Is P1933 generic or manufacturer-specific?
P1933 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 P1933 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
