Chevrolet Avalanche 2008 — technical service bulletin
Bulletin PER-14581 · NHTSA communication 10058686 · issued May 1, 2015
Technical service bulletin
communication type
Engine and Engine Cooling
component
2008
model years
7
vehicle entries
Official summary
Gmc/chevrolet: tsb contains a notification of an owner's letter. Select document search button below. On certain trucks, voluntary emission recall is being conducted due to fuel control system design, was not adequately controlling, under certain conditions, carbon monoxide emissions and with modified fuel control calibration, engine control module needs reprogramming. Models 2008 avalanche, silverado, suburban, tahoe, sierra, yukon, yukon xl. *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.