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TuningBot DTC Database · v4.37.15

P1939 Ford - Clutch Switch/Sensor Signal

Manufacturer-specific interpretation for Ford. All interpretations of P1939

P · PowertrainTransmissionOBD2

What P1939 means

P1939
Clutch Switch/Sensor Signal Ford · transmission Data confidence 62%

The control module detected a fault associated with the Clutch Switch/Sensor Signal circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.

Related and nearby codes

How to read P1939

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

939

Specific fault index within the subsystem.

Frequently asked questions about P1939

What does P1939 mean?

Clutch Switch/Sensor Signal. The control module detected a fault associated with the Clutch Switch/Sensor Signal circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.

Is P1939 generic or manufacturer-specific?

P1939 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 P1939 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

ECU tuningStage 1 dyno results for Ford engines See the results →

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