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Home >> Isuzu >> 2004 >> Axiom Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine DRIVEABILITY And Emissions - DTC P1237 To DTC U2104 >> DTC P1649: Immobilizer Function not Programmed >> Circuit Description
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Circuit Description

The ECM decides whether that is an abnormality in the immobilizer control system. DTC P1649 are recorded by the ECM when security code & secret key not programmed.

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