Chevrolet Malibu 2003–2005 — technical service bulletin
Bulletin PIC3557 · NHTSA communication 10112621 · issued Nov 30, 2012
Technical service bulletin
communication type
Electrical System
component
2003–2005
model years
7
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician with diagnostics for a class 2 communications Diagnostic Trouble Code U1000 may not lead a technician to a final repair. Technician should be advised to disregard the Diagnostic Trouble Code U1000 that may be set current or in history.
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.