ALL INFINITI MODELS; MIL ON WITH DTC B2190
DTC B2190 (NATS ANTENNA AMP) can be stored for the following reasons:
1. Something other than an Intelligent Key is inserted into the Key-Slot.
2. An Intelligent Key issue.
3. A wiring issue between the Key-Slot and the BCM.
4. A Key-Slot issue.
-REVISED- 2006 INFINITI M; TICK / CREAK NOISE FROM HEADLINER AREA (REAR)
An applied vehicle has a tick / creak noise coming from the Headliner area behind the Sunroof opening.