Question about 2004 Jeep Grand Cherokee

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Cruise control accelerates after setting it

My cruise control will set on my 2004 Jeep Grand Cherokee Special but it gradually increases speed after setting. It does not stop until I press the brake or cancel it.

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Most likely due to a problem with the PCM (Powertrain Control Module). You can try disconnecting (for about a minute) and reconnecting your battery which may reset this system and fix the problem. If not, you can bring your vehicle into the dealer, they will perform a diagnostics test for about $95 that will determine what the problem is. If it ends up being the PCM, it is covered under warranty for 8 years 80,000 miles.

Hope this helps.

Posted on May 18, 2010

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-see photo

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set-cruise-control-1994-mercedes-c220-sufrpujyrsap3pvz3w2boz5j-3-0.jpg
http://www.benzworld.org/forums/attachments/w202-c36-c43/153145d1197313761-pdf-owners-manual-w202-1995-2000-1999-c280_owners_manual.pdf

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Cruise Control The Cruise Command system is electrically actuated and vacuum operated. The turn signal lever on the steering column incorporates a slide switch which has three positions OFF, ON or RESUME. A SET button is located in the end of the lever. This device is designed to operate at speeds above approximately 35 mph (56 km/h).
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Exploded view of the cruise control switch and related components


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vehicle speed sensor location

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