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Cruise control stopped working
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=16060
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Author:  blacksmoke [ Sun Dec 31, 2006 7:49 pm ]
Post subject:  Cruise control stopped working

Not sure if related to the 2 visits to the dealers, because my sister borrowed the Jeep for 2 months (I know, I know :shock: )
So not only I now have the P0401 code, but the cruise control doesn't work! She told me it happened about the same time the CEL went on, which I don't think is related.

Couldn't find in the manual where would the fuse be (is there one?). Any idea what I should do? I'm at 45K so no warranty

Author:  RFCRD [ Sun Dec 31, 2006 11:34 pm ]
Post subject:  Re: Cruise control stopped working

blacksmoke wrote:
Not sure if related to the 2 visits to the dealers, because my sister borrowed the Jeep for 2 months (I know, I know :shock: )
So not only I now have the P0401 code, but the cruise control doesn't work! She told me it happened about the same time the CEL went on, which I don't think is related.

Couldn't find in the manual where would the fuse be (is there one?). Any idea what I should do? I'm at 45K so no warranty

Problems are probably not related. With a run-by-wire diesel, when the cruise fails to work it's usually a problem with the vehicle speed sensor. You should get a CEL if the VSS fails. If you haven't got the F37 done, they are going to reflash both computers and fix the EGR (P0401) problem anyways so a bad sensor will show when they run diagnostics.

Author:  blacksmoke [ Mon Jan 01, 2007 2:28 am ]
Post subject: 

Hmm... I had the F37 reflash, but a CRD always come with a cruise control, they can't mess that, isnt it? Although now I'm thinking they are capable of anything :-(

Author:  action [ Mon Jan 01, 2007 9:49 am ]
Post subject: 

My Cruise stopped working because the CEL went on, my cel was caused by a blown fuse for the brake lights.

Author:  RFCRD [ Mon Jan 01, 2007 10:12 am ]
Post subject: 

blacksmoke wrote:
Hmm... I had the F37 reflash, but a CRD always come with a cruise control, they can't mess that, isnt it? Although now I'm thinking they are capable of anything :-(

Not all CRD's have cruise control, it has to be enabled within the ECM software. There is a chance your dealer got it wrong with the reflash.

Author:  Endurance [ Mon Jan 01, 2007 7:24 pm ]
Post subject: 

My CC quit working after I went offroad one time. The "cruise" light wouldnt even turn on. I drove it for about 10 miles and it worked fine.

Author:  sirroco [ Tue Jan 02, 2007 11:42 am ]
Post subject: 

Mine stopped working due to a broken clock spring wire in the steering head.

Author:  Goglio704 [ Tue Jan 02, 2007 3:50 pm ]
Post subject: 

Pretty sure there is a recall on some of the clock springs.

Author:  Spowers [ Tue Jan 02, 2007 3:56 pm ]
Post subject: 

My cruise stopped "just because" - turned out to be the brake controll module - little tan box. Had it replaced - been good since then.

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