Chevrolet Avalanche 2012 — technical service bulletin
Bulletin SB-12188 · NHTSA communication 10045899 · issued Aug 1, 2012
Technical service bulletin
communication type
Engine
component
2012
model years
3
vehicle entries
Official summary
Chevrolet/gmc: starter motor, on certain suvs, may wear thru, after contact, wiring insulation, which causes circuit condition to short out. Starter motor becomes inoperative. Models 2013 chevrolet avalanche, silverado and gmc sierra. *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.