P1611 Nissan - Immobilizer control module/engine control module (ECM) - coding

Immobilizer control module/engine control module (ECM) - coding. The control module detected a fault associated with the Immobilizer control module/engine control module (ECM) - coding circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Nissan.

P1611 is a manufacturer-specific code. In this database it is documented for: Nissan. The same number can mean something different on other brands.

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.