Chevrolet Impala 2000–2005 — technical service bulletin
Bulletin 040847003 · NHTSA communication 10011075 · issued Sep 1, 2004
Technical service bulletin
communication type
Electrical System
component
2000–2005
model years
12
vehicle entries
Official summary
Security light on, engine will not crank, diagnostic trouble codes b2958 and/or b2960. *tt
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.