Wacky Speedometer
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Senior User
Joined: Apr 2005
Posts: 224
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From: New Baltimore, Michigan
Wacky Speedometer
Yesterday afternoon when leaving work, my speedometer stuck on 0. It did not register any speed. It then jumped and pegged on 100. Stoped the truck and it stayed there. Started moving again and at about 45 MPH (read on DashHawk) it went to 70. Moved back and forth like this for a while then seemed to reset and work properlty for awhile the jumped to 100 and started all over again.
Going into work this morning, it stayed on 100 and 70. I know the seed sensor and ABS controller are working as I see my speed on my DashHawk. No DTC at all.
Any help would be much appreciated.
Going into work this morning, it stayed on 100 and 70. I know the seed sensor and ABS controller are working as I see my speed on my DashHawk. No DTC at all.
Any help would be much appreciated.
Senior User
Joined: Oct 2007
Posts: 118
Likes: 1
From: Tennessee
Easy check first:
Crawl under the truck. Locate the Vehicle Speed Sensor (VSS) harness coming out of the transmission. Make sure it's snapped together securely. Re-test your speedometer.
I had this happen to my truck a while back and it was just a loose harness.
Crawl under the truck. Locate the Vehicle Speed Sensor (VSS) harness coming out of the transmission. Make sure it's snapped together securely. Re-test your speedometer.
I had this happen to my truck a while back and it was just a loose harness.
Thread Starter
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Senior User
Joined: Apr 2005
Posts: 224
Likes: 0
From: New Baltimore, Michigan
PHP Code:
Crawl under the truck. Locate the Vehicle Speed Sensor (VSS) harness coming out of the transmission. Make sure it's snapped together securely. Re-test your speedometer.
Thanks for all the replies.
Thread Starter
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Senior User
Joined: Apr 2005
Posts: 224
Likes: 0
From: New Baltimore, Michigan
Before I left work, I did the diagnostic feature in the odometer. The first thing is gages. The speedometer moved up from 100 to 70 then back to 100. I left it sit like that in that mode for a little longer and all of a sudden it went to 0 and functioned correctly all the way home. Seeme OK now. The cluster is $281 plus $300 core.
Thaks all.
Thaks all.
