Chevrolet Silverado 2007–2008 — technical service bulletin
Bulletin PIT-4508 · NHTSA communication 10023423 · issued Oct 1, 2012
Technical service bulletin
communication type
Vehicle Speed Control
component
2007–2008
model years
8
vehicle entries
Official summary
Cruise control inoperative - keywords abs b3894 brake cylinder ebcm inop master module pressure sensor switch trailer. With rpo jl1. *nj models 2007-2013 avalanche, silverado, suburban, tahoe sierra, yukon, yukon denali, yukon xl, yukon denali xl. Updated 12/10/12. *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.