Hi,

I'm a new member but thought I might have hit on something that seems common among late model Suburban/Sierra/Tahoe/Trailblazer vehicles.

I have had a speedometer sticking problem twice with my 03 Suburban. First time it fixed itself on the same trip, second time it didn't.

I read some posts, spoke to a dealer. The posts (here) suggested disconnecting the -ve battery lead. Dealer suggested a $500+ cluster replacement.

I tried the disconnect and got it back to zero and it seems to be ok, although its only a day, and haven't called the dealer back.

One thing I did realize though was that it stuck when using the Cruise Control on the highway. I tend to to switch the CC on and off a bit due to traffic and mountain highway driving not overly suitable for CC.

I haven't fully explored this but it is food for thought - use of CC is causing the speedometer to lock up at the CC speed setting.

Let me know if this works out for anyone.

 

when u say......"I tend to to switch the CC on and off a bit due to traffic and mountain highway driving not overly suitable for CC. ". do u mean u r turning the switch itself off and on, or r u tapping the brake pedal 2 turn it off?

 

I was looking at your post, we ran into the same problem on our Trailblazer. If you look on the Trailblazer forum I gave a pretty good response to this problem.
good luck

 

04 surb 75000 miles Found that starting and stopping the engine repeatedly will cycle the speedometer back to zero no idea why this works but have done it 5-6 times over the past week. speedometer will work after that at least you have an idea of your general speed

 

The problem is the small stepper motors in the instrument cluster that move all of the needles (Speedo, tach, gas, temp, etc.). If GM won't fix it for free, and you've exhausted all other avenues, you have some options without paying GM several hundreds of $. If you're handy with a soldering iron, you can fix the speedo for about $12, and the whole cluster for about $75, or you can have someone repair it all for you for about $150. The problem is the same withseveral 2003 to 2007 GM vehicles: most trucks andSUVs, and somecars. See my post in another forum for more details: http://www.topix.net/forum/autos/chevrolet-silverado-1500/TR5QAB2MN19BL1D2J/p8

 

Just go to www.speedomtergaugerepair.com They fixed my instruments cluster on my 2004 Chevrolet Silverado. They charged me $150 to replace all the gauges in the cluster. here is the address in case you wanna check it out: www.speedometergaugerepair.com

 

Check out the post I put up yesterday. You can fix the stepper motors pretty easily yourself.

https://chevroletforum.com/forum/silverado-sierra-fullsize-pick-ups-21/03-06-silverado-instrument-gauge-fix-24957/

Hope this helps,

Flash