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TuningBot DTC Database · v4.37.15

P1780 Ford - Transmission Control Switch Circuit is Out of Self - Test Range

Manufacturer-specific interpretation for Ford. All interpretations of P1780

P · PowertrainTransmissionOBD2

What P1780 means

P1780
Transmission Control Switch Circuit is Out of Self - Test Range Ford · transmission Data confidence 80%

The control module detected a fault associated with the Transmission Control Switch Circuit is Out of Self - Test Range 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.

Possible causes

  • Wiring
  • transmission control switch
  • ECM

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Inspect relevant wiring and connectors
  • Check power supplies and grounds
  • Compare commanded and measured values
  • Check applicable OEM service information

Related and nearby codes

How to read P1780

P

Powertrain: engine, transmission and driveline systems.

1

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

780

Specific fault index within the subsystem.

Frequently asked questions about P1780

What does P1780 mean?

Transmission Control Switch Circuit is Out of Self - Test Range. The control module detected a fault associated with the Transmission Control Switch Circuit is Out of Self - Test Range 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 P1780 generic or manufacturer-specific?

P1780 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 P1780 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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