Chevrolet Express 2006–2009 — technical service bulletin
Bulletin 3586 · NHTSA communication 10019434 · issued Aug 1, 2009
Technical service bulletin
communication type
Engine and Engine Cooling
component
2006–2009
model years
16
vehicle entries
Official summary
Diesel engine glow plug trouble codes. *tt updated 3/15/10. *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.