Nissan Altima 2018–2019 — technical service bulletin
Bulletin NTB18-071 · NHTSA communication 10149042 · issued Oct 22, 2018
Technical service bulletin
communication type
Electrical System
component
2018–2019
model years
11
vehicle entries
Official summary
SECURITY ALARM SOUNDS AFTER USING MECHANICAL KEY TO UNLOCK DRIVER DOOR SERVICE INFORMATION Applied Vehicles listed above are no longer equipped with a door unlock sensor and/or Body Control Module (BCM) software to provide support for the door unlock sensor. Normal Functionality For Vehicles Built Without Door Unlock Sensor And/Or BCM Software To Support Door Unlock Sensor For Applied Vehicles built after the Applied Dates listed on page 1, using the mechanical key on the driver door will operate differently than vehicles built before the Applied Dates. For these later models, the BCM will not
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.