IMMOBILIZER (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC P1577 IMM CONTROL MODULE EEPROM

DTC DETECTING CONDITION:

IMM ECM malfunctioning

Inaccessible ROM in IMM ECM.

STEPCHECKYESNO

1.PERFORM REGISTRATION ON IGNITION KEY.

Perform registration on all keys of the vehicle. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER”.

Is registration for all keys complete?

Verify that the engine starts with all registered keys and finish the diagnosis.

2.PERFORM REGISTRATION ON IGNITION KEY.

Perform registration on all keys of the vehicle. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER”.

Is registration for all keys complete?

Verify that the engine starts with all registered keys and finish the diagnosis.

3.PERFORM REGISTRATION ON IGNITION KEY.

Perform registration on all keys of the vehicle. Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER”.

Is registration for all keys complete?

Verify that the engine starts with all registered keys and finish the diagnosis.

Replace the immobilizer control module.