Speedometer is not working

2001 CHEVROLET 3500
75,000 MILES • 8.1L • V8 • 2WD • MANUAL
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BOBBY BOOSHEA
  • MEMBER
  • 1 POST
Was needing to know about the sensors on the side of the transmission. i have one on each side of it .
Feb 9, 2019 at 10:30 AM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good afternoon,

The most common cause is the vehicle speed sensor.

Do you have an Allision transmission? The 8.1 offered this option.

Roy
Feb 9, 2019 at 12:50 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Hello again,

I found this diagram for you.

Check it and see if you have this sensor at the rear of the transmission?

Roy
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Feb 9, 2019 at 12:53 PM
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