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TuningBot DTC Database · v4.37.15

P1505 Mazda - Idle air control (IAC) system

Manufacturer-specific interpretation for Mazda. All interpretations of P1505

P · PowertrainEngineOBD2

What P1505 means

P1505
Idle air control (IAC) system Mazda · engine Data confidence 62%

The control module detected a fault associated with the Idle air control (IAC) system circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mazda.

Possible causes

  • Wiring
  • lAC valve
  • mechanical fault
  • ECM

Related and nearby codes

How to read P1505

P

Powertrain: engine, transmission and driveline systems.

1

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

505

Specific fault index within the subsystem.

Frequently asked questions about P1505

What does P1505 mean?

Idle air control (IAC) system. The control module detected a fault associated with the Idle air control (IAC) system circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mazda.

Is P1505 generic or manufacturer-specific?

P1505 is a manufacturer-specific code. In this database it is documented for: Mazda. The same number can mean something different on other brands.

Can TuningBot remove P1505 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 Mazda engines See the results →

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