Chevrolet Express 2003 — technical service bulletin
Bulletin 04152004 · NHTSA communication 10009218 · issued Apr 15, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
4
vehicle entries
Official summary
Gm is announcing a product emission recall, number 04016. Vehicles could have the .02 engine off natural vacuum, eonv, evaporative emission system leak detection diagnostic disabled by the powertrain control module that incorrectly references a full or empty fuel tank. Powertrain control module is to be reprogrammed. Gm voicemail express. *tt
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.