Question about 2004 Subaru Forester

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Odometer and Techometer do not work after battery was jumped.

The battery was run down due to a device being left on. 3 Days later the battery was jumped, the engine started and we were on our way down the hignway. Thne we noticed the speedometer and the tachometer were not functioning. Guessing that a fuse had blown we looked in the owner's manual to locate the fuse associated with these two devices and could not find it.

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  • Anonymous Jan 21, 2009

    same exact problem!

  • lorneT Feb 10, 2009

    I have the same problem. I went through the owner's manual looking for the fuse for the Spedometer/Odometer/Tach and could not find it.

  • zibberzu May 23, 2009

    Mine started the same way: the battery ran down because something was left on. The guy who jumped it said the battery had a bad cell. I went ahead an replaced it since it was original equipment and its a 2004. A couple of days later, the controls on my radio stopped working. Now, mind you, the radio was still on, playing NPR at a reasonable volume (thank goodness), but I couldn't turn the radio off, change stations, or adjust the volume. I eventually pulled the fuse to turn the darn thing off. Strangely, the clock on the radio stayed on (does it have it's own battery? on a different circuit?) Then a week later, the car was dead again. The guy who came to jump it said the battery was bad (and wanted to sell me a new one) but that the alternator was good. The guy at the place I bought the battery said the battery was fine and refused to replace it. It did take a charge just fine but driving home I noticed that the tachometer and odometer were no longer working, nor was the radio on the radio. I have a call into the Subaru dealer for an appointment but am worried this is going to cost me an arm/leg just to diagnose. On another website someone mentioned that jumping Subi's can mess up the ECU and that it can be reset. Anyone know anything about that? Oh yes, about a month ago the car started making intermittent buzzing/humming from the engine. (It seems to happen mostly when accelerating and when it's cold.) Have no idea if this is related to anything. Help!

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On our 2007 Subaru Forester, I followed the above tips but with one small difference. Instead of disconnecting the battery and waiting hours for the ECM to reset, I found on another page that the ECM can be instantly reset by disconnecting the negative battery cable and pressing the brake pedal for a couple of seconds. Worked immediately!

Posted on May 04, 2010

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I had my 04 Forester jumped off when I had left my lights on all day when taking a long exam. After being jumped off the tacometer and speedometer did not work. I drove using my Garmin GPS for the speedometer for a couple of months. The battery started getting a little slow so I went to Wal-Mart to get a new one. Wal-mart installs batteries purchased there for free. When I got back in the car, to my surprise, the tachometer was back on and the speedometer is working!!! I have no idea what the guy did whilst changing the battery but is solved the issue for me.

Posted on Mar 08, 2009

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I too had to jump start my Forester today and noticed that the speado and tacho weren't working!!!! Luckly I thought to Google the problem and found this forum. On checking my battery I found it was very low so I removed it and put it on charge... meanwhile the car sat in the driveway with the bonnet(hood) open and the windows down... so as night fell and I started to worry about the car being left open, I hooked up a spare battery (one that I use for prawning) just to wind the windows and lock the car and to my suprise the speedo and tacho were back working!!!!!

I can see two possibilities here:
1) Batteries that are very low on power may make things stop working!!!
2) Period of time with the battery out of the vehicle reset the speedo somehow???

Either way my remedy for this problem is remove the battery from the car for an hour or so, charge or replace battery, replace battery and hey presto all's working fine again!!!!

Hope this helps!!!!

Posted on Jul 19, 2009

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