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TuningBot DTC Database · v4.37.15

P1520 Ford - Intake Manifold Runner Control Circuit Fault

Manufacturer-specific interpretation for Ford. All interpretations of P1520

P · PowertrainEngineOBD2

What P1520 means

P1520
Intake Manifold Runner Control Circuit Fault Ford · engine Data confidence 80%

The control module registered the fault condition described as "Intake Manifold Runner Control Circuit Fault". This is the manufacturer-specific definition used by Ford.

Possible causes

  • Wiring
  • mechanical fault
  • vacuum hoses
  • IMRC actuator
  • 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 P1520

P

Powertrain: engine, transmission and driveline systems.

1

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

520

Specific fault index within the subsystem.

Frequently asked questions about P1520

What does P1520 mean?

Intake Manifold Runner Control Circuit Fault. The control module registered the fault condition described as "Intake Manifold Runner Control Circuit Fault". This is the manufacturer-specific definition used by Ford.

Is P1520 generic or manufacturer-specific?

P1520 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 P1520 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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