Question about 2007 Buick Rendezvous CXL SUV

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My buick rainer speedometer is stuck above 120 mph and will not zero out

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Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Rendezvous instrument cluster repair

Posted on Oct 05, 2010

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Posted on Jan 02, 2017

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My speedometer on my 2005 Buick rendezvous starts off on zero and then shoots up to 110 when I am at a complete stop. I have changed the speed sensor module and checked the fuses. What else could it b


What module did you replace ? Was the vehicle transmission shifting OK ? The gauge is controlled by a stepper motor inside the instrument cluster , GM had bad stepper motors 03 to 06 .That is probably your problem .

Speedometer
The instrument panel cluster (IPC) displays the vehicle speed as determined by the engine control module (ECM)/powertrain control module (PCM). The ECM/PCM converts the data from the vehicle speed sensor to a 4,000 pulses/mile signal. The IPC uses the vehicle speed signal circuit (4,000 pulses/mile), class 2 message from the ECM/PCM in order to calculate the vehicle speed. If the IPC detects a malfunction in the vehicle speed signal circuit from the ECM/PCM, the IPC uses the class 2 message from the EBCM, indicating the vehicle speed as a backup. If the speedometer reaches (108 mph) the fuel will shut-off, and it will turn back ON when the speedometer is at (106 mph). The speedometer displays either miles or kilometers as requested by the activation of the english/metric button on the driver information center (DIC). The associated indicator (km/h or mph) illuminates.

How to repair GM Instrument Cluster Speedometer Gauge Stepper

Mar 18, 2017 | Buick Rendezvous Cars & Trucks

1 Answer

How to fix a speedometer cable


Well you know it does not have a speedo cable since you replaced the speed sensor in the transmission.
My guess would be a problem with the speedo or cluster.

Jan 09, 2013 | 2004 Oldsmobile Silhouette

1 Answer

I have a 1997 dodge grand caravan and the speedometer is stuck on 120 mph! I was traveling and the alternater went, so I got a new one and a new battery. The car is running fine, but the speedometer and...


you may have to take a magnet and put it over the speedometer needle and move the needle back to zero,this some times happens when a battery is connected as the voltage surge causes the needle to bounce some times to far and its not able to return to zero.you may need to have the system checked for proper charging,the voltage could be borderline causing the light to come on.you can try disconnecting the battery as it may reset the light.

Mar 28, 2011 | 1997 Dodge Caravan

1 Answer

Speedometer just started doing wierd things. Going 65 mph and it is showing 120 mph


Min 05 2500HD is doing the exact same thing seems to be related to the floor heat or heat in general. I can get it to lower in 5mph incriments if I restart it several times to get it back to zero.
Chevy should really fix this Its unsafe!!!

Dec 18, 2009 | 2005 Chevrolet Silverado 2500HD 2WD

4 Answers

My speedometer whines


Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Rainier instrument cluster repair

Oct 06, 2009 | 2004 Buick Rainier

3 Answers

Both speedometer & tachometer not working, both reading wrong.


There was a recent class action law suit settled with GM for this exact problem. You can google gm speedometer lawsuit and get lots of information. Unforutunately for most people I think the warranty was limited to 7 years and 70,000 miles. Which isn't a lot of miles for most people.

If you car isn't covered by the warranty there is a way to "reset" the speedometer.

You can turn the ignition slowly like you are going to start the engine. There is a very small "dead" space where you will see your guage lights go off.

What you want to do is cycle the ignition switch from off to that dead space. Each time you do it your stuck speedometer will move towards zero about 10 mph. So if its stuck on 40 you will have to cycle it at least 4 times.

At first you will probably actually hit the ignition and the engine will try to start.....just release it and try it again.

I know this because I have a 04 avalanche with 80,0000 miles and it has this problem about twice a month.

Jun 02, 2009 | 2004 Chevrolet TrailBlazer

1 Answer

1996 Grand Am Speedometer works fine until above 30 MPH


check for loose connection for the speed sensor or speed sensor itself is failing

Apr 03, 2009 | 1996 Pontiac Grand Am

1 Answer

Speedometer problems


It may be that the speedo cable has come loose at 1 end and will need to be tightened back up. Sorry but not sure where ends are attached on your car.

Mar 28, 2017 | 2004 Buick LeSabre

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