Chevrolet Astro 1993–1995 — technical service bulletin
Bulletin 676537 · NHTSA communication 52571 · issued Jun 1, 1997
Technical service bulletin
communication type
Electrical System
component
1993–1995
model years
17
vehicle entries
Official summary
Intermittent hestiations, low power, and rough running engine in cold temperatures (replace pcm). *tw
Vehicles covered
- 1993 Chevrolet Astro
- 1994 Chevrolet Astro
- 1995 Chevrolet Astro
- 1993 Chevrolet Blazer
- 1994 Chevrolet Blazer
- 1995 Chevrolet Blazer
- 1993 Chevrolet Lumina Apv
- 1994 Chevrolet Lumina Apv
- 1995 Chevrolet Lumina Apv
- 1993 GMC Jimmy
- 1994 GMC Jimmy
- 1995 GMC Jimmy
- 1993 GMC Safari
- 1994 GMC Safari
- 1995 GMC Safari
- 1993 Oldsmobile Bravada
- 1994 Oldsmobile Bravada
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.