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TuningBot DTC Database · v4.37.15

P1577 Subaru - Immobilizer control module - EEPROM error

Manufacturer-specific interpretation for Subaru. All interpretations of P1577

P · PowertrainImmobilizerOBD2

What P1577 means

P1577
Immobilizer control module - EEPROM error Subaru · immobilizer Data confidence 62%

The control module registered the fault condition described as "Immobilizer control module - EEPROM error". This is the manufacturer-specific definition used by Subaru.

Possible causes

Immobilizer control module

Related and nearby codes

How to read P1577

P

Powertrain: engine, transmission and driveline systems.

1

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

577

Specific fault index within the subsystem.

Frequently asked questions about P1577

What does P1577 mean?

Immobilizer control module - EEPROM error. The control module registered the fault condition described as "Immobilizer control module - EEPROM error". This is the manufacturer-specific definition used by Subaru.

Is P1577 generic or manufacturer-specific?

P1577 is a manufacturer-specific code. In this database it is documented for: Subaru. The same number can mean something different on other brands.

Can TuningBot remove P1577 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

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