Buick Lesabre 2003–2004 — technical service bulletin
Bulletin 040846004 · NHTSA communication 10013440 · issued Jan 1, 2005
Technical service bulletin
communication type
Equipment
component
2003–2004
model years
25
vehicle entries
Official summary
Onstar system inoperative onstar system status light is red radio locked in phone mode or dtc b1000. *eh
Vehicles covered
- 2003 Buick Lesabre
- 2003 Buick Rendezvous
- 2003 Cadillac Escalade Ext
- 2003 Chevrolet Avalanche
- 2003 Chevrolet Cavalier
- 2003 Chevrolet Express
- 2003 Chevrolet Silverado
- 2003 Chevrolet Tahoe
- 2003 Chevrolet Trailblazer
- 2003 Chevrolet Venture
- 2003 GMC Denali
- 2003 GMC Envoy
- 2003 GMC Savana
- 2003 GMC Sierra
- 2003 GMC Suburban
- 2003 GMC Yukon
- 2003 Hummer H2
- 2003 Oldsmobile Aurora
- 2003 Oldsmobile Bravada
- 2003 Oldsmobile Silhouette
- 2003 Pontiac Aztek
- 2003 Pontiac Bonneville
- 2004 Pontiac Grand Prix
- 2003 Pontiac Montana
- 2003 Pontiac Sunfire
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.