The control module detected improper operation of the Ignition Supply. This is the manufacturer-specific definition used by Ford.
TuningBot DTC Database · v4.37.15
P1793 Ford - Ignition Supply Malfunction
Manufacturer-specific interpretation for Ford. All interpretations of P1793
What P1793 means
Related and nearby codes
How to read P1793
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 P1793
What does P1793 mean?
Ignition Supply Malfunction. The control module detected improper operation of the Ignition Supply. This is the manufacturer-specific definition used by Ford.
Is P1793 generic or manufacturer-specific?
P1793 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 P1793 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
