2001 Chevy Trailblazer Speedometer

62,000 MILES • 6 CYL • 4WD • AUTOMATIC
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DSALING
  • MEMBER
  • 2 POSTS
Why is the speedomter stuck on 30?
Jan 14, 2009 at 12:39 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
Either the gauge itself is bad or it is getting a bad signal from sender.

I would contact Chevy service and see if there are any recalls or TSB's on this problem.

GM had some problems with eratic readings, gauge problems with the Trailblazer/Envoy Instrument Panels.
A friend of mine just had the IP replaced on an 03 Envoy because of eratic speedometer readings under a recall.
Jan 15, 2009 at 1:45 AM
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