Nissan Altima 2009 — technical service bulletin
Bulletin NTB-12-092 · NHTSA communication 10047182 · issued Oct 11, 2012
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009
model years
1
vehicle entries
Official summary
Nissan: see document search button for owner letter. Engine control module (ecm) needs inspection, reprogrammed and/or possible replaced exhaust manifold and front exhaust tube due to improper calibration detecting incorrect engine valve closure during engine knocking. Model 2009 altima. *pe
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.