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2006 Buick Rendezvous Cruse Contol Problem

Tiny
DANDAMAN
  • MEMBER
  • 2006 BUICK RENDEZVOUS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 76,980 MILES
In the past when the car hit a bump the cruse control would disengage. Sometimes it would not engage. Later it would work ok. Now the cruse cintrol will not engage regardless of the speed.
Saturday, November 28th, 2009 AT 11:27 PM

5 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Two things we need to know, engine size?
And can you get it scanned for codes? Autozone does it free write down codes and post with engine size, there are two different systems depending on engine.
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Sunday, November 29th, 2009 AT 7:40 AM
Tiny
DANDAMAN
  • MEMBER
  • 3 POSTS
Engine 3.5

no code appear in on board computer check

Cruse control no longer engages regardless of speed.
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Sunday, November 29th, 2009 AT 10:58 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Check to see if the brake lights work, and if the transmission range switch, or old term neutral saftey switch, how good are you with testing automotive circuits? Have a test light and DVOM?
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Monday, November 30th, 2009 AT 1:56 PM
Tiny
DANDAMAN
  • MEMBER
  • 3 POSTS
Brake lites work ok. I have an electronics background. Trans column switch seems ok.
What should I check. Is there a speed sensor and where.
Dan
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Monday, November 30th, 2009 AT 2:03 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Dan I sent you an email with a troubleshooting chart(3) wiring diagram, and control unit locations and diagrams, let me know how it goes!
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Monday, November 30th, 2009 AT 2:18 PM

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