2005 Chevy Impala

2005 CHEVROLET IMPALA
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ZZETALADY1
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  • 1 POST
2005 Chevy Impala

my speedometer stop working. Does that mean that there is something wrong with the transmission?
Jan 27, 2010 at 12:43 PM
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SCOTTY DEE
  • ✓Experienced Mechanic
  • 592 POSTS
No. There is a VSS (vehicle speed sensor) at the transmission. With a scan tool connected to the vehicle, we want to know if the scan tool is seeing the MPH via the PCM.

If the scan tool is reading MPH, that would indicate a bad instrument cluster.
Jan 28, 2010 at 11:38 AM
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