Chevrolet Express 2000–2007 — technical service bulletin
Bulletin TSB T2007-03 · NHTSA communication 10096433 · issued Sep 18, 2007
Technical service bulletin
communication type
Structure
component
2000–2007
model years
12
vehicle entries
Official summary
Merlin multiplex system when a proer/ground lug is not correctly tightened or becomes loose for any reason; erratic system operation is possible.
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.