P1616 Opel - Immobilizer control module / instrumentation control module communication - incorrect code

Immobilizer control module / instrumentation control module communication - incorrect code. The control module detected that the Immobilizer control module / instrumentation control module communication state or value did not match what was expected. This is the manufacturer-specific definition used by Opel.

P1616 is a manufacturer-specific code. In this database it is documented for: Opel. 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.