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02-08-2011, 03:09 PM #1
2003 Silverado 1500HD Speedometer Trouble
I have a 2003 Silverado 1500HD with the 6 liter V8. The speedometer is acting crazy. Sometimes it reads 40 to 60 MPH over actual. It even shows 40 MPH or more at a standstill. All the other dash guages/lights are working fine. The problem comes and goes, it happened the first time last week when we were having some unusually cold weather when it dipped below freezing a few days. I live on the Texas coast so freezing temps are rare around here. Any guess as to what might be wrong? Did cold weather cause it?
Any help? I'm not a mechanic, but I can do a few things.dbach
2003 Chevy HD 1500LS
6.0 L V8
02-08-2011, 03:11 PM #2
Its most likely one of two common problems on that year range truck. either the stepper motor or the instrument cluster. the dealership covers the cluster for 70k miles. search the threads for this problem (instrument cluster) and you should find some more detailed responses.David
2004 Silverado 2500 Crew Cab 4x4, AMSOIL EA air filter, Granatelli MAF sensor, Throttle body spacer, Magnaflow exhaust (true dual to 2 in 1 out muffler), 6" ProComp lift (add a leaf and 5" superlift rear block), Bilstein shocks, 35's (Cooper Disoverer ST) and 4.10 gears, Rhino Liner, EGRUSA fender Flares and widow visors, extended stainless steel brake lines, firestone airbags w/onboard air compressor, Pioneer Avic X940BT navigation, Accel backup camera.
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02-08-2011, 03:24 PM #3
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I thought it was 90K miles but i agree about the bad stepper motor.Mike
1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).
2009 Saturn Aura XE (wifes car)
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02-08-2011, 03:26 PM #4
x3 Problem with the Stepper Motor for the Speedometer is Going Out/Bad.
The Below Link goes into detail about this which is Common Problem on the 2003" to 2005" Trucks/SUV's....Dash Cluster's(Stepper Motor's),
Last edited by 99'HEARTBEAT; 02-26-2011 at 07:22 PM.
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02-26-2011, 04:08 PM #5
Ok I guess my truck is weird. The weather warmed up and the problem went away. The Speedometer is working fine.dbach
2003 Chevy HD 1500LS
6.0 L V8
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