Question about 2004 Hyundai XG350

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SPEEDOMETER IS NOT CALCULATING PROPERLY

Speedometer is not accurate, it keeps jumping, and the cruise control doesn`t regulate to proper speed set, keeps bucking .

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Most likely the Vehicle Speed Sensor is defective. the fact that the cruise control doesn't work properly Is the strongest link to the VSS being defective. If you want to DIY, go to https://www.hyundaitechinfo.com/ and get a free account to look through the service manuals for your specific model. Additional help is available from folks at http://www.hyundai-forums.com Good Luck!

Posted on Jan 16, 2013

  • Dave C Mar 06, 2015

    Just an update, the Hyundai tech website is no longer free :-(, the greedy &@!$?/& . I won't be buying any more hyundais, and I can't wait to unload the two I have as soon as the kids are out of college:)

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6ya6ya
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Posted on Jan 02, 2017

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emissionwiz
  • 76848 Answers

SOURCE: speedometer and tachometer

Both are in need of repair, nothing else will cause this kind of problem except the inner electronics of both instruments, they can be repaired by any authorized Hyundai electronics repair station, but it won't e cheap.

Posted on Nov 18, 2008

  • 134 Answers

SOURCE: Speedometer Needle for Hyundai 2004 Accent

If your transmission fluid level is okay, then you need a new speedometer cable. Its not terribly difficult to replace, but it does require you to pull the instrument cluster. A local Hyundai dealership might be willing to photocopy the specific speedometer cable replacement instructions out of the 2004 Accent shop manual.

Posted on Apr 27, 2009

  • 149 Answers

SOURCE: My speedometer drops to zero or jumps erratically

sounds like a bad speedo drive gear or speed sensor mounted on the rear of the trans there is no speedo cable, its electronic its not expensive take it to the dealer they will know exactly whats wrong with it

Posted on Oct 08, 2009

skychief2001
  • 21873 Answers

SOURCE: 2002 hyundai santa fe speedometer not working

Good chance the problem is the speed sensor in the transmission.
I would check it or replace it.

Posted on Dec 19, 2012

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