February 15, 2013
MIL ON WITH DTC B2190
All Nissan equipped with a Key-Slot for an Intelligent Key
DTC B2190 (NATS ANTENNA AMP) can be stored for the following reasons:
||Something other than an Intelligent Key is inserted into the Key-Slot.
||An Intelligent Key issue.
||A wiring issue between the Key-Slot and the BCM.
||A Key-Slot issue.
If DTC B2190 is stored due to 1 or 2 above, it will not erase, or go to "PAST", until a known good registered Intelligent Key is inserted into the Key-Slot.
For DTC B2190 diagnosis; first perform the Service Manual DTC Confirmation Procedure.
Service Manual DTC CONFIRMATION PROCEDURE for DTC B2190