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TuningBot DTC Database · v4.37.15

P1674 Ford - Control Module Software Corrupted

Manufacturer-specific interpretation for Ford. All interpretations of P1674

P · PowertrainEngineOBD2

What P1674 means

P1674
Control Module Software Corrupted Ford · engine Data confidence 62%

The control module detected a fault associated with the Control Module Software Corrupted 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
  • software incompatibility
  • ECM

Related and nearby codes

How to read P1674

P

Powertrain: engine, transmission and driveline systems.

1

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

674

Specific fault index within the subsystem.

Frequently asked questions about P1674

What does P1674 mean?

Control Module Software Corrupted. The control module detected a fault associated with the Control Module Software Corrupted 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 P1674 generic or manufacturer-specific?

P1674 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 P1674 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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