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My 2004 Honda Civic gauges have started failing in an intermittent way. When this happens, all the gauges (speedometer, tachometer, fuel, temp, LCD odometer) all read zero. When the gauges are in this state, the odometer is also not counting any mileage that I drive.

As far as I can tell, the car is driving fine and when the gauges come on, there are no warning lights (e.g. CEL) on.

One interesting thing that I have noticed is that when the gauges come on (possibly long after the car was started), the cluster goes through the normal startup sequence. For example, the light that flashes a few times if you are due for service does its few flashes when the gauges come on. This makes me think that the problem is with whatever component manages things like the time since last service.

Is it possible that this is a loose wire, or is it likely that there is a component that needs replacing.

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I have the same problem, I can go a few days without the gauges to work and then all of a sudden, they turn back on... Also, when the car is running and I am totally stopped, the light in my dashboard flickers as well as my headlights... Don't know yet what is the problem, but i will certainly try the following suggestions! Thanks Guys, I'll keep you posted! –  user651 Jun 3 '11 at 9:54
    
You have a penny in your factory-installed CD player. It costs a pretty penny to fix that. –  GregC Jul 14 '11 at 6:08
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2 Answers 2

It looks like the entire instrument cluster is intermittently losing power. Loose wiring, particularly bad ground wire(s) should be your first suspect. Find the wiring harness(es) that plug into the back of the cluster and check that they are secure. Follow them around behind the dashboard to see if anything else is loose.

You may find a ground wire for the cluster that grounds on the (metal) body of the car somewhere in the driver's footwell or behind the dashboard. I'll bet it's loose.

[...] the light that flashes a few times if you are due for service does its few flashes when the gauges come on.

Since you indicate that this is part of the cluster's normal behavior on start-up, I think this is just a normal consequence of the cluster suddenly being "powered on." I don't think it indicates that the service interval counter is at fault.

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About the service interval counter, I do know that it is in play because I manually reset the counter by starting the car and holding down the trip reset button and then that light no longer flashed when the cluster came back on. If the cluster is not responsible for maintaining that count, then I don't think that it is a problem with the cluster itself. Of course if the cluster does hold both the odometer value and the service interval counter, then I agree that the cluster is a fault. Thanks for your answer, BTW! –  efunneko Apr 25 '11 at 11:11
    
I did some more googling and it does appear that the cluster keeps the odometer value. I will spend some time looking at the wiring like you suggest and hopefully it will fix the problem. –  efunneko Apr 25 '11 at 11:28
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I have the same problem.I finally took it to a mechanic I trust who tested all connections etc and found the cluster to be defective. I'm looking at $800 to replace it. I've contacted Honda to see if they'll help, given my total mileage is only 65,000 km. The problem started at about 50,000 km. It's unlikely that they will take any responsibility. I'd like to know if others are having the same problem, as it is clearly a factory defect issue.

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I saw this problem in a GM once awhile back. It ended up being the ignition switch! –  Brian Knoblauch Jul 14 '11 at 12:12
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protected by Larry Apr 10 '13 at 12:59

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