Buick Roadmaster 1996–2000 — technical service bulletin
Bulletin 010730023B · NHTSA communication 634815 · issued Mar 1, 2002
Technical service bulletin
communication type
Power Train
component
1996–2000
model years
34
vehicle entries
Official summary
Some customers may comment on a harsh 1-2 upshift and the check engine light or service engine soon indicator is illuminated and diagnostic trouble code p1870 set. *tt
Vehicles covered
- 1996 Buick Roadmaster
- 1999 Cadillac Escalade
- 2000 Cadillac Escalade
- 1996 Cadillac Fleetwood
- 1996 Chevrolet Camaro
- 1997 Chevrolet Camaro
- 1998 Chevrolet Camaro
- 1999 Chevrolet Camaro
- 2000 Chevrolet Camaro
- 1996 Chevrolet Chevrolet Truck
- 1997 Chevrolet Chevrolet Truck
- 1998 Chevrolet Chevrolet Truck
- 1999 Chevrolet Chevrolet Truck
- 2000 Chevrolet Chevrolet Truck
- 1996 Chevrolet Corvette
- 1997 Chevrolet Corvette
- 1998 Chevrolet Corvette
- 1999 Chevrolet Corvette
- 2000 Chevrolet Corvette
- 1996 GMC GMC
- 1997 GMC GMC
- 1998 GMC GMC
- 1999 GMC GMC
- 2000 GMC GMC
- 1996 Oldsmobile Bravada
- 1997 Oldsmobile Bravada
- 1998 Oldsmobile Bravada
- 1999 Oldsmobile Bravada
- 2000 Oldsmobile Bravada
- 1996 Pontiac Firebird
- 1997 Pontiac Firebird
- 1998 Pontiac Firebird
- 1999 Pontiac Firebird
- 2000 Pontiac Firebird
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.