TSBs

Nissan DTC B2190

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Nissan DTC B2190

This TSB applies to all Nissan vehicles 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 one or more of these issues, it will not erase, or go to “PAST: until a known good registered Intelligent Key is inserted into the Key-Slot. For code diagnostics, first perform the service manual DTC confirmation procedure.

1. PERFORM DTC CONFIRMATION PROCEDURE 1

a. Insert the Intelligent Key into the Key-Slot (make sure to use a known good registered Intelligent Key),

b. Check “Self-diagnostic result” using CONSULT-III plus. If the DTC is detected, go to the “Diagnosis Procedure” in the service manual. If the DTC is not detected, go to Step 2.

2. PERFORM DTC CONFIRMATION PROCEDURE 2

a. Press the push-button ignition switch.

b. Check “Self-diagnostic result” using CONSULT-III plus. If the DTC is detected, go to “Diagnosis Procedure” in the service manual. If the DTC is not detected, the inspection is complete.

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